is 14333 hdpe for sewerage

IS 14333 : 1996(Reaffirmed 2007)

Edition 1.3(2004-12)

B U R E A U O F I N D I A N S T A N D A R D SMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

Price Group 11

BIS 2007

Indian Standard

HIGH DENSITY POLYETHYLENE PIPES FOR SEWERAGE SPECIFICATION

(Incorporating Amendment Nos. 1, 2 & 3)

ICS 23.040 : 13.060.30

Plastic Pipes and Fittings Sectional Committee, CED 50

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized bythe Plastic Pipes and Fittings Sectional Committee had been approved by the Civil EngineeringDivision Council.

Consequent to the fourth revision of IS 4984 in 1995 which covers HDPE pipes for water supplyonly, the technical committee felt the need to formulate a separate specification for HDPE pipesfor sewerage and industrial effluents. These pipes were earlier included in IS 4984 : 1987. Thecommittee while examining the various technical issues involved in the formulation of thisstandard was convinced that for the following major reasons, the HDPE pipes meant for watersupply cannot be recommended for sewerage and/or for industrial effluents:

a) That pipes meant for sewerage and for industrial effluents are subjected to highertemperature and chemical reactions during its life.

b) That the maximum specified allowable hydrostatic design stress for water supply pipes at30C for 50 years life and used in the calculation of minimum wall thickness needs modifica-tions in view of (a) above.

c) That pipes meant for water supply and for sewerage/industrial effluents need to be identifiedseparately.

In view of the reasons stated at (a) and (b) above, the committee in the absence of any establisheddata for the level of chemical reactions and the rise in temperature above 30C recommended aderating factor of 0.75 over the maximum allowable hydrostatic design stress of 4.0 MPa used forPE 63 grade material for water supply.

The technical committee also recommended that the HDPE pipes covered in this standard mayalso be used for industrial effluents provided the user shall establish suitability for the intendedapplication based on the chemical resistivity chart given in Annex D in consultation with themanufacturer of the pipes.

In the formulation of the standard a great deal of assistance has been derived from ISO/DIS 4427.Polyethylene pipes for water supplySpecification. Annex D of this standard is based mainly onISO/TR 10358 Plastic pipes and fittings Combined chemical resistance classification table. Theprovisions relating to ovality are based on ISO/DIS 11922 (Part 1) Thermoplastic pipes for thetransport of fluids Dimensions and tolerances.

Regarding guidance for laying and jointing of polyethylene pipe, including storage and handling, areference may be made to IS 7634 (Part 2) : 1973 Code of practice for plastic pipe work for potablewater supplies : Part 2 Laying and jointing polyethylene (PE) pipes.

The composition of the technical committee responsible for the formulation of this standard isgiven in Annex E.

This edition 1.3 incorporates Amendment No. 1 (October 2000), Amendment No. 2(September 2003) and Amendment No. 3 (December 2004). Side bar indicates modification of thetext as the result of incorporation of the amendments.

For the purpose of deciding whether a particular requirement of this standard is complied with,the final value, observed or calculated, expressing the result of a test or analysis, shall be roundedoff in accordance with IS 2 : 1960. Rules for rounding off numerical values ( revised ). The numberof significant places retained in the rounded off value should be the same as that of the specifiedvalue in this standard.

IS 14333 : 1996

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Indian Standard

HIGH DENSITY POLYETHYLENE PIPES FOR SEWERAGE SPECIFICATION

1 SCOPEThis Indian Standard lays down therequirements for high density polyethylenepipes from 63 to 1 000 mm nominal diameter ofpressure rating 0.25 to 1.6 MPa in materialgrades of PE 63, PE 80 and PE 100, forsewerage applications.

2 REFERENCESThe Indian Standards listed below are necessaryadjuncts to this standard:

3 DESIGNATION3.1 Pipes shall be designated according to thepressure rating ( see 3.3 ) and nominal diameter( see 3.4 ). For example, PN 10 DN 200 indicatesa pipe having a pressure rating 1.0 MPa andoutside nominal diameter 200 mm.3.2 Grade of Material3.2.1 Pipes shall be classified according to thegrade of materials given in Table 1.3.2.2 The maximum allowable hydrostaticdesign stress ( r ) of a pipe is obtained byapplying the design coefficient of 1.25 ( Min ) tothe MRS value of the material, taking intoconsideration the temperature at which thepipe is to be designed for.3.2.3 The material grading shall be given bythe raw material supplier and in case of masterbatch, by the pipe manufacturer.3.3 Pressure RatingPipes shall be classified by pressure rating (PN)

corresponding to the maximum permissibleworking pressure at 30C, as follows:

3.4 Nominal Diameter (DN)The nominal diameter of pipes covered in thisstandard are:

63, 75, 90, 110, 125, 140, 160, 180, 200, 225,250, 280, 315, 355, 400, 450, 500, 560, and630 mm.

4 COLOURThe colour of the pipe shall be black.

5 MATERIALS5.1 High Density PolyethyleneHigh density polyethylene (HDPE) used forthe manufacture of pipes shall conformto designation PEEWA-45-T-003 or PEEWA-45-T-006 or PEEWA-50-T-003 or PEEWA-50-T-006 or PEEWA-57-T-003 or PEEWA-57-T-006 of IS 7328. HDPE conforming todesignation PEEWA-45-T-012 or PEEWA-50-T-012 or PEEWA-57-T-012 of IS 7328 may alsobe used with the exception that melt flowrating (MFR) shall be between 0.20 g/10 min to1.10 g/10 min (both inclusive).5.1.1 The specified base density between940.0 kg/m3 and 958.4 kg/m3 (both inclusive)shall be determined at 27C accordingto procedure prescribed in Annex A ofIS 7328 : 1992. The value of the density shallalso not differ from the nominal value by morethan 3 kg/m3 as per 5.2.1.1 of IS 7328 : 1992.

IS No. Title

2530 : 1963 Method of test for polyethylenemoulding materials and polye-thylene compounds

4905 : 1968 Methods for random sampling7328 : 1992 High density polyethylene

materials for moulding andextrusion ( first revision )

Pressure Ratingof Pipe

Maximum Permissible Working Pressure

PN 2.5 0.25 MPaPN 4 0.40 MPaPN 6 0.60 MPaPN 8 0.80 MPaPN 10 1.00 MPaPN 12.5 1.25 MPaPN 16 1.60 MPa

Table 1 Classification of Pipe Material

Sl No.

Material Grade MRS (Minimum Required Strength) of Material in MPA,

AT 20C, 50 Years

Maximum Allowable HydrostaticDesign Stress ( r ), MPa

At 20C At 30C For sewage and Industrial Efficient

(1) (2) (3) (4) (5) (6)

i) PE 63 6.3 5.0 4.0 3.0ii) PE 80 8.0 6.3 5.0 4.0

iii) PE 100 10.0 8.0 6.3 5.0

IS 14333 : 1996

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5.1.2 The MFR of the material shall be between0.20 g/10 min and 1.10 g/10 min (both inclusive)when tested at 190C with nominal load of 5 kgfas determined by method prescribed in 7 ofIS 2530 : 1963. The MFR of the material shallalso be within 20 percent of the value declaredby the manufacturer.5.1.3 The resin shall be compounded withcarbon black. The carbon black content in thematerial shall be within 2.5 0.5 percent andthe dispersion of carbon black shall be satisfac-tory when tested according to the proceduredescribed in IS 2530 : 1963.5.2 Anti-Oxidant

The percentage of anti-oxidant used shall not bemore than 0.3 percent by mass of finished resin.5.3 Reworked Material

The addition of not more than 10 percent of themanufacturers own rework material resultingfrom the manufacture of pipes of this standard ispermissible. No other reworked or recycledmaterial shall be used.

6 DIMENSIONS OF PIPES

6.1 Outside Diameter

The outside diameters of pipes, tolerance on thesame and ovality of pipe shall be as given inTable 2 ( see A-2 ).

Table 2 Outside Diameter, Tolerance and Ovality of Pipes

( Clause 6.1 )

6.2 Wall ThicknessThe minimum and maximum wall thickness ofpipes for all the three grades of materials,namely, PE 63, PE 80 and PE 100 shall be asgiven in Tables 3, 4 and 5 respectively ( see A-3 ).

6.3 Method of Measurement

6.3.1 The outside diameter of the pipe shall betaken as the average of two measurements takenat right angles for pipes up to 110 mm diameter.Alternatively and for higher sizes, the diametershall be measured preferably by using a flexibleP1 tape or a circometer, having an accuracy of notless than 0.1 mm. The wall thickness shall bemeasured by a dial vernier or ball endedmicrometer. The resulting dimension shall beexpressed to the nearest 0.1 mm.

NOTES1 The outside diameter shall be measured at a distanceof at least 300 mm from the end of the pipe.2 In the case of dispute, the dimension of pipes shall bemeasured after conditioning at room temperature for4 hours.

6.3.2 Ovality shall be measured at the manufac-turers end as the difference between maximumoutside diameter and minimum outsidediameter measured at the same cross-section ofthe pipe, at 300 mm away from the cut end. Forcoiled pipes re-rounding of pipes shall be carriedout prior to the measurement of ovality.6.4 Length of Straight Pipe

The length of straight pipe shall be 5 m to 20 m,as agreed between the manufacturer and thepurchaser. Short lengths of 3 m (minimum) upto a maximum of 10 percent of the total supplymay be permitted.6.5 Coiling

The pipes supplied in coils shall be coiled ondrums of minimum diameter of 25 times thenominal diameter of the pipe ensuring thatkinking of pipe is prevented.

7 VISUAL APPEARANCE

The internal and external surfaces of the pipesshall be smooth, clean and free from groovingand other defects. The ends of the pipes shall becleanly cut square with the axis to within thetolerances given below and free from deformity.Slight shallow longitudinal grooves or irregula-rities in the wall thickness shall be permissibleprovided that the wall thickness remainswithin the permissible limits.

8 PERFORMANCE REQUIREMENTS

8.1 Hydraulic Characteristics

When subjected to internal pressure creeprupture test in accordance with procedure

Nominal Diameter,

Outside Diameter,

Tolerance Ovality

DN mm mm mm(only positive

tolerances)(1) (2) (3) (4)63 63.0 0.6 1.575 75.0 0.7 1.690 90.0 0.9 1.8

110 110.0 1.0 2.2125 125.0 1.2 2.5140 140.0 1.3 2.8160 160.0 1.5 3.2180 180.0 1.7 3.6200 200.0 1.8 4.0225 225.0 2.1 4.5250 250.0 2.3 5.0280 280.0 2.6 9.8315 315.0 2.9 11.1355 355.0 3.2 12.5400 400.0 3.6 14.0450 450.0 4.1 15.6500 500.0 4.5 17.5560 560.0 5.0 19.6630 630.0 5.7 22.1

Nominal diameterDNmm

Maximum out of squareof pipe end

mm16 to75 290 to125 3

140 to180 4200 to280 5Above 280 7

IS 14333 : 1996

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given in Annex B, the pipes under test shallshow no signs of localized swelling, leakage orweeping, and shall not burst during theprescribed test duration. The temperatures,duration of test and induced stresses for thetest shall conform to those specified in Table 6.8.2 Reversion Test

When tested according to the procedure given

at Annex C, the value of the longitudinal rever-sion shall not be greater than 3 percent.

8.3 Density

When tested from a composite sample ofminimum three pipes as per Annex A ofIS 7328 : 1992, it shall meet the requirement asgiven in 5.1.1.

Table 3 Wall Thickness of Pipes for Material Grade PE 63( Clause 6.2 )

All dimensions in millimetres.

Nominal Dia

Wall Thickness of Pipes for Pressure Ratings of

PN 2.5 PN 4 PN 6 PN 8 PN 10 PN 12.5 PN 16

DN Min Max Min Max Min Max Min Max Min Max Min Max Min Max

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15)

63 4.0 4.6 5.8 6.6 7.5 8.5 9.0 10.1 10.9 12.2 13.3 14.9

75 3.0 3.5 4.7 5.4 6.9 7.8 8.9 10.0 10.8 12.1 13.0 14.5 15.8 17.6

90 3.6 4.2 5.7 6.5 8.2 9.3 10.6 11.9 12.9 14.4 15.6 17.4 19.0 21.1

110 4.4 5.1 6.9 7.8 10.0 11.2 13.0 14.5 15.8 17.6 19.0 21.1 23.2 25.8

125 5.0 5.7 7.9 8.9 11.4 12.8 14.8 16.5 17.9 19.9 21.6 24.0 26.4 29.3

140 5.6 6.4 8.8 9.9 12.8 14.3 16.5 18.4 20.0 22.2 24.2 26.9 29.5 32.7

160 6.4 7.3 10.0 11.2 14.6 16.3 18.9 21.0 22.9 25.4 27.6 30.6 33.7 37.3

180 7.2 8.2 11.3 12.7 16.4 18.3 21.2 23.6 25.8 28.6 31.1 34.5 37.9 41.9

200 8.0 9.0 12.5 14.0 18.2 20.3 23.6 26.2 28.6 31.7 34.5 38.2 42.2 46.7

225 9.0 10.1 14.1 15.8 20.5 22.8 26.5 29.4 32.2 35.7 38.8 42.9 47.4 52.4

250 10.0 11.2 15.7 17.5 22.8 25.3 29.5 32.7 35.8 39.6 43.2 47.8 52.7 58.2

280 11.2 12.6 17.5 19.5 25.5 28.3 33.0 36.5 40.0 44.2 48.3 53.4

315 12.6 14.1 19.7 21.9 28.7 31.8 37.1 41.1 45.0 49.7 54.4 60.1

355 14.2 15.9 22.2 24.7 32.3 35.8 41.8 46.2 50.8 56.1

400 16.0 18.6 25.0 29.0 36.4 42.1 47.1 54.4 57.2 66.0

450 18.0 20.9 28.2 32.7 41.0 47.4 53.0 61.2

500 20.0 23.2 31.3 36.2 45.5 52.6

560 22.4 26.0 35.0 40.5 51.0 58.9

630 25.2 29.2 39.4 45.6 57.3 66.1

710 28.4 32.9 44.4 51.3

800 32.0 37.0 50.0 57.7

900 36.0 41.6 56.3 65.0

1 000 40.0 46.2

IS 14333 : 1996

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Nominal Dia


PN 2.5 PN 4 PN 6 PN 8 PN 10 PN 12.5 PN 16

DN Min Max Min Max Min Max Min Max Min Max Min Max Min Max

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15)

63 3.0 3.5 4.4 5.1 5.8 6.6 7.0 7.9 8.6 9.7 10.5 11.875 2.3 2.8 3.6 4.2 5.3 6.1 6.9 7.8 8.4 9.5 10.2 11.5 12.5 14.090 2.8 3.3 4.3 5.0 6.3 7.2 8.2 9.3 10.0 11.2 12.2 13.7 15.0 16.7

110 3.4 4.0 5.3 6.1 7.7 8.7 10.0 11.2 12.3 13.8 14.9 16.6 18.4 20.5125 3.8 4.4 6.0 6.8 8.8 9.9 11.4 12.8 13.9 15.5 16.9 18.8 20.9 23.2140 4.3 5.0 6.7 7.6 9.8 11.0 12.8 14.3 15.6 17.4 19.0 21.1 23.4 26.0160 4.9 5.6 7.7 8.7 11.2 12.6 14.6 16.3 17.8 19.8 21.7 24.1 26.7 29.6180 5.5 6.3 8.6 9.7 12.6 14.1 16.4 18.3 20.0 22.2 24.4 27.1 30.0 33.2200 6.1 7.0 9.6 10.8 14.0 15.6 18.2 20.3 22.3 24.8 27.1 30.1 33.4 37.0225 6.9 7.8 10.8 12.1 15.7 17.5 20.5 22.8 25.0 27.7 30.5 33.8 37.5 41.5250 7.6 8.6 12.0 13.4 17.5 19.5 22.8 25.3 27.8 30.8 33.8 37.4 41.7 46.1280 8.5 9.6 13.4 15.0 19.6 21.8 25.5 28.3 31.2 34.6 37.9 41.9 46.7 51.6315 9.6 10.8 15.0 16.7 22.0 24.4 28.7 31.8 35.0 38.7 42.6 47.1 52.5 58.0355 10.8 12.1 17.0 18.9 24.8 27.5 32.3 35.8 39.5 43.7 48.0 53.0 59.2 65.4400 12.2 14.3 19.1 22.2 28.0 32.4 36.4 42.1 44.5 51.4 54.1 62.5 450 13.7 16.0 21.5 25.0 31.4 36.4 41.0 47.4 50.0 57.7 500 15.2 17.7 23.9 27.7 34.9 40.4 45.5 52.6 55.6 64.2 560 17.0 19.8 26.7 31.0 39.1 45.2 51.0 58.9 630 19.1 22.2 30.0 34.7 44.0 50.8 57.3 66.1 710 21.6 25.1 33.9 39.2 49.6 57.3 800 24.3 28.2 38.1 44.1 55.9 64.5 900 27.3 31.6 42.9 49.6

1 000 30.4 35.2 47.7 55.1



NominalDia


PN 6 PN 8 PN 10 PN 12.5 PN 16

DN Min Max Min Max Min Max Min Max Min Max(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)

63 3.6 4.2 4.7 5.4 5.8 6.6 7.0 7.9 8.7 9.875 4.3 5.0 5.6 6.4 6.9 7.8 8.4 9.5 10.4 11.790 5.1 5.9 6.7 7.6 8.2 9.3 10.0 11.2 12.5 14.0

110 6.3 7.2 8.2 9.3 10.0 11.2 12.3 13.8 15.2 17.0125 7.1 8.1 9.3 10.5 11.4 12.8 13.9 15.5 17.3 19.3140 8.0 9.0 10.4 11.7 12.8 14.3 15.6 17.4 19.4 21.6160 9.1 10.3 11.9 13.3 14.6 16.3 17.8 19.8 22.1 24.6180 10.2 11.5 13.4 15.0 16.4 18.3 20.0 22.2 24.9 27.6200 11.4 12.8 14.9 16.6 18.2 20.3 22.3 24.8 27.6 30.6225 12.8 14.3 16.7 18.6 20.5 22.8 25.0 27.7 31.1 34.5250 14.2 15.9 18.6 20.7 22.8 25.3 27.8 30.8 34.5 38.2280 15.9 17.7 20.8 23.1 25.2 28.3 31.2 34.6 38.7 42.8315 17.9 19.9 23.4 26.0 28.7 31.8 35.0 38.7 43.5 48.1355 20.1 22.4 26.3 29.2 32.3 35.8 39.5 43.7 49.0 54.1400 22.7 26.4 29.7 34.4 36.4 42.1 44.5 51.4 55.2 63.7450 25.5 29.6 33.4 38.7 41.0 47.4 50.0 57.7 500 28.4 32.9 37.1 42.9 45.5 52.6 55.6 64.2 560 31.7 36.7 41.5 48.0 51.0 58.9 630 35.7 41.3 46.7 54.0 57.3 66.1 710 40.2 46.5 52.6 60.7 800 45.3 52.3 900 51.0 58.9

1 000 56.7 65.5

IS 14333 : 1996

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8.4 Melt Flow Rate (MFR)When tested from a composite sample ofminimum three pipes, as per IS 2530, at 190Cwith nominal load of 5 kgf, MFR shall bebetween 0.20 g/10 min to 1.10 g/10 minutes.The MFR shall also be within 30 percent of theMFR of the material used in manufacturingpipes ( see 5.1.2 ).8.5 Carbon Black Content and DispersionWhen tested from a composite sample ofminimum three pipes, in accordance withIS 2530 : 1963, the carbon black content shallbe within 2.5 0.5 percent and the dispersion ofcarbon black shall be satisfactory.

9 SAMPLING, FREQUENCY OF TESTS AND CRITERIA FOR CONFORMITY9.1 Type Tests9.1.1 Type tests are intended to prove thesuitability and performance of a new composi-tion, a new technique or a new size of a pipe. Suchtests, therefore, need be applied only when achange is made in polymer composition ormethod of manufacture, or when a new size ofpipe is to be introduced. Even if no change isenvisaged, type test shall be done at least once intwo years on each pressure rating of pipe of thehighest size manufactured during the period.9.1.2 Three samples of the same size and samepressure rating selected at random shall betested for compliance with the requirements ofthe type test, given in Table 6.9.1.3 If all the samples pass the requirementsof the type test, the type of the pipe underconsideration shall be considered eligible fortype approval.9.1.4 In case any of the samples fails in the typetest, the testing authority, at its discretion, maycall for fresh samples not exceeding the originalnumber and subject them to the type test again.If in repeat test, no single failure occurs, the typeof pipe under consideration shall be consideredeligible for type approval. If any of the samplesfails in the repeat tests, the type of pipe shall notbe approved. The manufacturer or the suppliermay be asked to improve the design and resubmitthe product for type approval.9.1.5 At the end of the validity period (normallytwo years) or earlier as may be necessary, thetesting authority may call for fresh samples for

type test for the purpose of type approval.9.2 Acceptance Tests9.2.1 Acceptance tests are carried out onsamples selected from a lot for the purpose ofacceptance of the lot.9.2.2 LotAll pipes of the same size, and same pressurerating and also manufactured essentially undersimilar conditions of manufacture, shall consti-tute a lot. For ascertaining conformity of the lotto the requirements of this specification,samples shall be selected in accordance withthe provisions as mentioned here in under andtested for compliance.9.2.3 Dimensional and Visual Requirements9.2.3.1 The number of test samples shall be inaccordance with Table 7.9.2.3.2 These pipes shall be selected at randomfrom the lot and in order to ensure the random-ness of selection, a random number table shallbe used. For guidance and use of randomnumber tables, 1S 4905 : 1968 may be referred.In the absence of a random number table thefollowing procedure may be adopted.Starting from any pipe in the lot count them as1,2,3,4......etc, up to r and so on where r is theintegral part of N/n, N being the number ofpipes in the lot and n is the number of pipes inthe samples. Every rth pipe so counted shall bewithdrawn so as to contitute the requiredsample size.9.2.3.3 The number of pipes given for the firstsample in col 3 of Table 7 shall be examined fordimensional and visual requirements givenin 6.1, 6.2 and 7. A pipe failing to satisfy any ofthese requirements shall be considered asdefective. The lot shall be deemed to have satis-fied these requirements, if the number ofdefectives found in the first sample are less thanor equal to the corresponding acceptance numbergiven in col 5 of Table 7. The lot shall be deemednot to have met these requirements if the numberof defectives found in the first sample is greaterthan or equal to the corresponding rejectionnumbers given in col 6 of Table 7. If, however, thenumber of defectives found in the first samplelies between the corresponding acceptance andrejection numbers given in col 4 and 5 of Table 7,the second sample of the size given in col 3 ofTable 7 shall be taken and examined for these

Table 6 Requirement of Pipes for Internal Pressure Creep Rupture Test( Clauses 8.1, 9,1.2 and B-4.3 )

Sl No.

Test Test Temperature0C

Test DurationMinimum Holding Time, h

Induced Stressin MPa

PE 63 PE 80 PE 100(1) (2) (3) (4) (5) (6) (7)

i) Type Test 80 165 3.5 4.6 5.5ii) Acceptance 80 48 3.8 4.9 5.7

IS 14333 : 1996

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requirements. The lot shall be considered to havesatisfied these requirements, if the number ofdefectives found in the cumulative sample is lessthan or equal to the corresponding acceptancenumber given in col 5 of Table 7; otherwise not.9.2.4 Hydraulic Characteristics, Reversion,Density, MFR and Carbon Black Content/Dispersion Tests9.2.4.1 The lot having satisfied dimensional andvisual requirements shall be tested for hydrauliccharacteristics, reversion, density, MFR andcarbon black content/dispersion requirements.9.2.4.2 A separate sample size for each of thetest, shall be taken as stipulated in Table 8 andselected at random from the sample alreadyexamined for dimensional and visual inspection.All the pipes in each of the sample size shall betested for compliance of the requirements forhydraulic characteristics (8.1), reversion (8.2)

Table 8 Scale of Sampling for Tests for Hydraulic Characteristics, Reversion,

Density, MFR and Carbon Black Content/Dispersion

( Clause 9.2.4.2 )

density (8.3), MFR (8.4), and carbon blackcontent/dispersion (8.5). The lot shall be con-sidered to have met the requirements of thesetests, if none of samples tested fails.

10 MARKING

10.1 Each straight length of pipe shall beclearly marked in indelible ink/paint on eitherend and for coil at both ends or hot embossed onwhite base every metre throughout the lengthof pipe/coil with the following information:

10.2 BIS Certification Marking

Each pipe may also be marked with theStandard Mark.

10.2.1 The use of the Standard Mark isgoverned by the provisions of the Bureau ofIndian Standards Act, 1986 and the Rules andRegulations made thereunder. The details ofconditions under which a licence for the use ofthe Standard Mark may be granted tomanufacturers or producers may be obtainedfrom the Bureau of Indian Standards.

ANNEX A( Clauses 5.1, 6.1 and 6.2 )

EXPLANATORY NOTES

A-1 MASTER BATCHWith the advancement in technologynatural (unpigmented) resin designation

PEEAA-45-T-003 or PEEAA-45-T-006 orPEEAA-50-T-003 or PEEAA-50-T-006 orPEEAA-57-T-003 or PEEAA-57-T-006 of IS 7328

Table 7 Scale of Sampling for Visual and Dimensional Requirements( Clauses 9.2.3.1 and 9.2.3.3 )

No. of Pipesin the Lot

SampleNo.

SampleSize

Cumulative Sample Size

Acceptance No. RejectionNo.

(1) (2) (3) (4) (5) (6)

Up to 150 FirstSecond

1313

1326

01

22

151 to 280 FirstSecond

2020

2040

03

34

281 to 500 FirstSecond

3232

3264

14

45

501 to 1 200 FirstSecond

5050

50100

26

57

1 201 to 3 200 FirstSecond

8080

80160

38

79


125125

125250

512

913


200200

200400

718

1119

No. of Pipes Sample Size(1) (2)

Up to 150 3151 to 1 200 51 201 to 35 000 8

a) Manufacturers name/Trade mark,

b) Designation of pipe ( see 3.1 ), and

c) Lot number/Batch number.

IS 14333 : 1996

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and PEEAA-45-T-012 or PEEAA-50-T-012 orPEEAA-57-T-012 of IS 7328 with the exceptionthat melt flow rating (MFR) shall be between0.20 g/10 min to 1.10 g/10 min (both inclusive)duly stabilized with antioxidants ( see 5.2 ) maybe compounded with suitable black master batchor processed directly after physical mixing withsuitable black master batch or processed directlyafter physical mixing with suitable black masterbatch in the pipe extruder for production of pipewhich shall conform to the performancerequirements of the pipes as specified in thisstandard ( see 8 ). The material of pipe to beproduced shall conform to requirements of 5.1.

A-2 TOLERANCE ON OUTSIDE DIAMETER AND MAXIMUM OVALITYA-2.1 The values specified for tolerance on out-side diameter have been calculated as 0.009DN, rounded off to the next higher 0.1 mm,subject to minimum of 0.3 mm. No negativetolerances are allowed.A-2.2 The ovality specified corresponds toGrade N of ISO/DIS 11922-1. Thermoplasticpipes for transport of fluids, dimensions andtolerances. The basis for the values specified is:

A-3 WALL THICKNESS

A-3.1 The wall thickness of pipes are based onthe maximum allowable hydrostatic designstress () of 3.0 MPa.

A-3.2 Minimum wall thickness s, in mm of thepipe have been calculated as follows androunded off for the next higher 0.1 mm.

where

A-3.3 Maximum wall thickness has beencalculated as follows:

NOTE Considering operational problems, maximumwall thickness of pipes are considered around 60 mm.

ANNEX B( Clause 8.1 )

INTERNAL PRESSURE CREEP RUPTURE TEST

B-1 GENERALThe test shall be carried out not earlier than 24hours after the pipes have been manufactured.

B-2 TEST SPECIMENSA sample of pipe having free length betweenthe end fittings equal to ten times the outsidediameter but not less than 250 mm and notgreater than 750 mm, shall be taken for testingfrom each pipe to be tested.

B-3 APPARATUSEquipment permitting the application of a con-trolled internal hydraulic pressure to thespecimen which are immersed in a thermostati-cally controlled water-bath.

B-4 PROCEDUREB-4.1 The pipes shall be fitted with the lockingplugs at both ends in such a way that the axialforces coming from the internal pressure are

transmitted to the pipe. The pipe shall remainfree to move in longitudinal direction.B-4.2 Through a closable opening in one of thelocking plugs, the pipe shall be tilled with waterat ambient temperature. It shall be then put ina water bath at the test temperature of 80C(permissible deviation 1C) and kept in the bathfor minimum one hour to adjust the temperature.B-4.3 The pressure in the pipe shall then beincreased to the test pressure ( p ) graduallyand without shock preferably within 10 to 30seconds in the bath whose temperature hasbeen adjusted in accordance with B-4.2. Thepressure with a permissible deviation of 2.5percent shall be maintained for the period laiddown in Table 6.The test pressure ( p ) shall be calculated asfollows from the minimum dimensions given inthe Tables 3, 4, 5 and the corresponding

a) For nominal outside diameters 75, thetolerance equals (0.008 DN + 1.0) mm,rounded to the next higher 0.1 mm, with aminimum value of 1.2 mm.

b) For nominal outside diameters > 75 and 250, the tolerance equals 0.02 DNrounded to the next higher 0.1 mm.

c) For nominal outside diameters > 250, thetolerance equals 0.035 DN rounded to thenext higher 0.1 mm.

p = maximum permissible working pressurein MPa;

d = nominal outside diameter in mm; and = maximum allowable hydrostatic design

stress, that is 3.0 MPa.

a) For pipes with an outside diameter lessthan or equal to 355 mm, maximum wallthickness) = 1.1 minimum wall thick-ness + 0.2 mm), rounded off to next higher0.1 mm.

b) For pipes with outside diameter equal toor greater than 400 mm, maximum wallthickness (= 1.15 minimum wall thick-ness + 0.2 mm), rounded off to the nexthigher 0.1 mm.

s p d2 p+-----------------=

IS 14333 : 1996

8

induced stress values given in Table 6.

where

B-5 ASSESSMENT OF RESULTS

The samples shall not show signs of localizedswelling or leakage and shall not burst duringthe prescribed test duration. The test showingfailure within a distance equivalent to thelength of end cap from the end shall bedisregarded and the test repeated.

ANNEX C( Clause 8.2 )

LONGITUDINAL REVERSION TEST

C-1 APPARATUSC-1.1 Air OvenThermostatically controlled at 110 2C and iscapable of re-establishing this temperaturewithin 15 minutes after the introduction of testspecimen in the oven.C-1.2 Thermometer, graduated to 0.5CC-1.3 Test SpecimensEither 3 complete sections of pipe, approxima-tely 200 mm long, shall be taken as test pieces, orwhere the pipe diameter is greater than 200 mm,pieces of pipe of about 200 mm axial length andwith an approximate circumferential arc lengthof 200 mm shall be prepared by cutting. In suchcases, the entire circumference of approximately200 mm long section of pipe shall be divided intopieces measuring approximately 200 mm square.The direction of the pipe axis shall be marked onthe pieces. All pieces are required to be tested. Amark shall be scribed on the external surfaceapproximately 50 mm from each end of the testpieces in the axial direction of pipe (in the case ofcomplete section of pipe, the mark shall bescribed around the whole circumference). Thedistance between the two marks, lo (referencelength), shall be approximately 100 mm andshall be measured to the nearest 0.25 mm atambient temperature.

C-2 PROCEDUREC-2.1 Place the test pieces concave side up on aglass plate previously dusted with talcum, toensure that changes in length take place unimpe-ded. The test pieces shall not touch each other.

C-2.2 Set the oven temperature at 110 2C. Theglass plate with the test pieces shall then beplaced in the oven heated to test temperature andcapable of maintaining continuous forced aircirculation. The test pieces shall be kept in theoven at the temperatures and for the periodsspecified below:

C-2.3 Remove the test pieces from the oven andallow to cool in air, without being moved at theambient temperature. Measure the minimumdistance between the two marks.

C-3 EXPRESSION OF RESULTS

C-3.1 For each test piece, calculate the longi-tudinal reversion, T, as a percentage, as follows:

where l0 and l1, are the distances in mm beforeand after the test.

C-3.2 The average value (arithmetic mean) of allthe test pieces shall be obtained and reported.

ANNEX D( Foreword )

CHEMICAL RESISTANCE CLASSIFICATION TABLE FOR HDPE PIPES AND FITTINGS

D-1 GENERALD-1.1 This Technical Report is a referencedocument and provides guidelines on classifica-tion of the chemical resistance of High densityPolyethylene (HDPE) pipe material to specifiedfluids over a range of temperatures (20C and60C). It is intended to provide information on

suitability of HDPE piping for the conveyanceof fluids.D.1.2 The preliminary chemical-resistanceclassification given in the annexed table is onlysuitable for use with pipes which are not subjec-ted to internal and external mechanical stresses(for example, those caused by internal pressure,

p = test pressure in MPa;s = minimum wall thickness in mm;

1 = induced stress in MPa; andd = outside diameter of pipe, in mm.

p21 s d s ( )---------------------=

WallThickness, S

Test Temperature

Periodof Stressing, t

mm C minUp to 8 110 2 60 1Over 8 up to 16 110 2 120 2Over 16 110 2 240 5

Tl0 l1

l0--------------- 100=

IS 14333 : 1996

9

flexural stresses). In order to assess thebehaviour of pipes and fittings for conveyance offluids under pressure or in the presence of otherstresses, if the preliminary classification is S orL, it will be necessary to carry out further testsas specified in ISO 8584-1 and or ISO/TR 8584-2.D-1.3 To assess the tendency of a materialtowards environmental stress cracking, separatetests have to be carried out. Other properties ofthe pipe material (for example permeability) or ofthe fluid conveyed (for example toxicity,inflammability, etc,) should also be consideredseparately.D-1.4 The table summarizes the data given in anumber of chemical resistance tables at presentin use in various countries, derived from bothpractical experience and test results. Thisevaluation is based on values obtained byimmersion of high density polyethylene testspecimens in the fluid concerned at 20C or60C and atmospheric pressure, followed incertain cases by the determination of tensilecharacteristics.D-1.5 In the preparation of this appendix,assistance has been derived from the following:

D-2 EXPLANATION OF SYMBOLS AND ABBREVIATIONSD-2.1 Classification (Last Column in the Table)The following symbols are used to indicate thebehaviour of HDPE pipes in contact withchemical agents:

The pipes can be used for applications in whichthey are not subjected to pressure or otherstresses; for applications in which they areexposed to pressure, the final assessment shallbe on the basis of subsequent test underpressure.

HDPE pipes can be used for applications inwhich they are not subjected to pressure orother stress, but a case in which a certainamount of corrosion can be accepted. Forapplications in which they are exposed topressure, the final assessment shall be on thebasis of a subsequent test under pressure.

The pipes are seriously attacked. They shall notbe used for either pressure or non-pressureapplications. There is no point in conducting.tests under pressure as the pipes would becertain to fail these tests.

D-2.2 Description of Fluids

D-2.2.1 Nature of Chemicals ( Column 2 in theTable )

The fluids are listed by their most commonnames, including trivial and trade names, inalphabetical order, with some of the chemicals,synonyms are also listed, in the alphabeticalorder.

In some cases, further information on nature ofchemical is given, namely:

D-2.2.2 Characteristics of Chemicals ( Columns 3and 4 in the Table )

Melting point (m.p.) and boiling point (b.p.)in degree Celsius (C) are given whereverappropriate. The values refer to fluids oftechnical-grade purity at standard atmosphericpressure, unless otherwise stated.

D-2.2.3 Concentration of Chemicals ( Column 5in the Table )

The concentration and/or purity of the fluid isindicated, using the following symbols:

a) ISO/TR 10358-1993 Plastics pipes andfittings Combined chemical resistanceclassification table.

b) Chemical resistance or Sclairpolyethylene resins from Du Pont, Canada.

c) Marlex (Phillips) Low, medium andhigh density polyethylenes : properties Processing.

S : Satisfactory resistance. No indication thatthe serviceability would be impaired.

L : Limited resistance, depending oncondition of use.

NS : Resistance Not Satisfactory. Not recom-mended for service applications underany condition.

KSCA : Known Stress-Crack AgentSSCA : Suspected Stress-Crack AgentP : PlasticiserO : OxidiserSubl. : Sublimesdec. : Decomposes

Dil. sol. = Dilute aqueous solution at aconcentration equal to or less than10 percent.

Sol = Aqueous solution at aconcentration higher than 10percent but not saturated.

Sat. sol. = Saturated aqueous solution,prepared at 20C.

Conc. = Concentrated fluidAll conc. = Behaviour of fluid over entire

range of concentrationtg = At least technical grade puritytg-s = Technical grade solid

IS 14333 : 1996

10

The concentrations are expressed as apercentage by mass at 20C, unless otherwisestated.

D-2.2.4 Service Temperature ( Column 6 inthe Table )

Test temperatures at which chemical resistancedetermined (20C and 60 C).

D-2.2.5 Classification ( Last column in theTable )

The chemical resistance of HDPE pipe materialsis given in accordance with the classificationsystem as described under D-2.1 above.

Chemical Resistance of High Density Polyethylene Pipes and Fittings

tg-l = Technical grade, liquidtg-g = Technical grade, gasWork.sol. = Working solution of the

concentration usually used inthe industry concerned.

Susp. = Suspension of solid in asaturated solution at 20C,

Sl No. Chemical m.p.C

b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

1. Acetaldehyde (KSCA) 123 21 40 2060

LNS

tg-l 2060

SL

2. Acetic Acid (KSCA) 17 118 Upto 10 2060

SS

10 to 40 20 S

50 20 S

40 to 60 2060

SL

80 2060

SL

3. Acetic Acid, glacial (KSCA)

17 118 > 96 2060

SL

4. Acetic Anhydride(SSCA)

73 140 tg-l 2060

NSNS

5. Acetone 95 56 tg-l 2060

LL

6. Acrylic emulsion Work sol. 2060

SS

7. Adipic acid 151 338 Sat. sol. 2060

SS

8. Air tg-g 2060

SS

9. Allyl alcohol 129 97 tg-l 2060

SS

10. Aluminium chloride 194(5.2 atm.)

181(Subl.)

All conc. 2060

SS

11. Aluminium fluoride 1040 1276(Subl.)

Susp. 2060

SS

IS 14333 : 1996

11


b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

12. Aluminium hydroxide H2O300

Susp. 2060

SS

13. Aluminium nitrate 73 150dec.

Sat. sol. 2060

SS

14. Aluminium oxychloride 226 Susp. 2060

SS

15. Aluminium potassium sulphate (Alum-all types)

H2O92

Sat. sol. 2060

SS

16. Aluminium sulphate 770dec.

All conc. 2060

SS

17. Ammonia aqueous 78 34 Sat. Sol. 2060

SS

18. Ammonia, dry gas 78 34 tg-g 2060

SS

19. Ammonia liquid 78 34 tg-g 2060

SS

20. Ammonium carbonate (dec at 58C)

Sat. sol. 2060

SS

21. Ammonium chloride 339dec.

Sat. sol. 2060

SS

22. Ammonium fluoride Subl. Up to 20 2060

SS

Sat. sol. 2060

SS

23. Ammonium hydrogen carbonate

35dec.

Sat. sol. 2060

SS

24. Ammonium hydroxide 78 10 2060

SS

28 2060

SS

25. Ammoniummetaphosphate

Sat. sol. 2060

SS

26. Ammonium nitrate 170 210dec.

Sat. sol. 2060

SS

27. Ammonium persulphate 120dec.

Sat. sol. 2060

SS

28. Ammonium sulphate 230dec.

Sat. sol. 2060

SS

29. Ammonium sulphide 18 dec. Sat. sol. 2060

SS

IS 14333 : 1996

12

Sl No. Chemical m. p.C

b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

30. Ammonium thiocyanate 150 170dec.

Sat. Sol. 2060

SS

31. Amyl acetate (SSCA/P) 100 142 tg-l 2060

NSNS

32. Amyl alcohol (KSCA/P) 79 137 tg-l 2060

SL

33. Amyl chloride (P) 99 98 tg-l 2060

NSNS

34. Aniline (KSCA/P) 6 184 tg-l 2060

NSNS

35. Antimony (III) chloride 73 223 Sat. Sol. 2060

SS

36. Apple juice Work sol. 20 S

37. Aqua regia (O) HCl/HNO3(3:1)

2060

NSNS

38. Aromatic hydrocarbons(SSCA/P)

2060

NSNS

39. Arsenic acid 36 All conc. 2060

SS

40. Ascorbic acid 190dec.

10 2060

SS

41. Barium bromide 854 dec. Sat. sol. 2060

SS

42. Barium carbonate 1 360dec.

Susp. 2060

SS

43. Barium chloride 962 2029 Sat. sol. 2060

SS

44. Barium hydroxide 78 Sat sol. 2060

SS

45. Barium sulphate 1 580 Susp. 2060

SS

46. Barium sulphide 2 227 Sat. sol. 2060

SS

47. Beer Work sol. 2060

SS

48. Benzaldehyde 26 178 tg-l 2060

SL

49. Benzene (SSCA/P) 6 80 tg-l 2060

NSNS

50. Benzene sulfonic acid 50 Sol. 2060

SS

IS 14333 : 1996

13


b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

51. Benzoic acid 122 250 All conc. 2060

SS

52. Bismuth carbonate dec. Sat. sol. 2060

SS

53. Bleach lye 10 2060

SS

54. Borax H2O75

320 Sat. sol. 2060

SS

55. Boric acid 236 All conc. 2060

SS

56. Boron trifluoride 129 101 Sat. sol. 2060

SS

57. Brine All conc. 2060

SS

58. Bromine, gas 7 58 tg-g 2060

NSNS

59. Bromine, liquid (O) 7 58 tg-l 2060

NSNS

60. Butandiol (KSCA) 21 230 All conc. 2060

SS

61. Butane, gas 135 0.5 tg-g 2060

SS

62. Butter (SSCA) 20 to 25 2060

SS

63. n-Butyl acetate (SSCA/P) 74 126 tg-l 2060

LNS

64. n-Butyl alcohol (KSCA) 80 117 tg-l 2060

SS

65. Butyric acid (P) 5 164 tg-l 2060

NSNS

66. Calcium bisulphide 18dec.

Sol. 2060

SS

67. Calcium carbonate 900dec.

Susp. 2060

SS

68. Calcium chlorate 340 Sat. sol. 2060

SS

69. Calcium chloride 772 1 940 Sat. sol, 2060

SS

70. Calcium hydroxide H2O522

Sat. sol. 2060

SS

IS 14333 : 1996

14


b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

71. Calcium hypochlorite (dec. at 10 percent chlorine)

Sol. 2060

SS

72. Calcium nitrate 561 Sat. sol. 2060

SS

73. Calcium oxide 2 927 3 500 Susp. 2060

SS

74. Calcium sulphate 1 400 Susp. 2060

SS

75. Calcium sulphide 2 400 Dil. sol. 2060

LL

76. Camphor oil (SSCA/P) 177 204 Work sol. 20 L

77. Carbon dioxide, dry gas 56 78 tg-g 2060

SS

78. Carbon dioxide, wet gas 56 78 tg-g 2060

SS

79. Carbon disulphide 112 46 tg-l 2060

NSNS

80. Carbon monoxide, gas 205 192 tg-g 2060

SS

81. Carbon tetrachloride 23 27 tg-l 2060

LNS

82. Carbonic acid Work sol. 2060

SS

83. Castor oil (KSCA) 12 Conc. 2060

SS

84. Chlorine, dry gas (O) 101 35 tg-g 2060

LNS

85. Chlorine, liquid (O) 101 35 tg-g 2060

NSNS

86. Chlorine water 101 35 Sat. sol.(2 percent)

2060

SS

87. Chloroacetic acid 61 188 Sol. 2060

SS

88. Chlorobenzene (SSCA/P) 45 132 tg-l 2060

NSNS

89. Chloroform (SSCA/P) 64 62 tg-l 2060

NSNS

90. Chloromethane, gas 97 24 tg-g 20 L

IS 14333 : 1996

15


b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

91. Chlorosulphonic acid 68 147in vac.

tg-s 2060

NSNS

92. Chrome alum(chromium potassium sulphate)

89 100 Sol. 2060

SS

93. Chromic acid 196 dec. 20 2060

SL

50 2060

SL

94. Cider (KSCA) Work. sol. 2060

SS

95. Citric acid (KSCA) 153 Sat. sol. 2060

SS

96. Coconut oil alcohols (KSCA)

Work. sol. 2060

SS

97. Coffee Work sol. 2060

SS

98. Cola concentrates(KSCA)

Work. sol. 2060

SS

99. Copper (II) chloride 620 dec. Sat. sol. 2060

SS

100. Copper (II) cyanide dec. Sat. sol. 2060

SS

101. Copper (II) fluoride 950dec.

2 2060

SS

102. Copper (II) nitrate 114.5 Sat. sol. 2060

SS

103. Copper (II) sulphate 300dec.

Sat. sol. 2060

SS

104. Corn oil (SSCA) 10 to 20 tg-l 2060

SS

105. Cotton seed oil (KSCA) 10 to 22 tg-l 2060

SS

106. Cresylic acid Sat. sol. 20 L

107. Cyclohexanol 24 161 tg-l 2060

SS

108. Cyclohexanone 26 156 tg-l 2060

NSNS

109. Decalin 51 to 36

185 to193

tg-l 2060

SL

110. Detergent, synthetic (KSCA)

Work. sol. 2060

SS

IS 14333 : 1996

16


b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

111. Developers (Photographic)

Work. sol. 2060

SS

112. Dextrin Sol. 2060

SS

113. Dextrose(dec. at 200C)

146 Sol. 2060

SS

114. Diazo salts Sol. 2060

SS

115. Dibutylphthalate(SSCA)

35 340 tg-l 2060

LL

116. Dichlorobenzene(o-& P-) (SSCA/P)

17/53 180/174 tg-l 2060

NSNS

117. Diethylketone (SSCA/P) 39 102 tg-l 2060

LNS

118. Diethylene glycol(KSCA)

11 245 tg-l 2060

SS

119. Diglycolic acid (KSCA) 148 dec. Sol. 2060

SS

120. Dimethylamine 93 8 sol. 2060

NSNS

121. Dioctylphthalate 255to

265(20mm)

tg-l 2060

SL

122. Dioxane 12 100 tg-l 2060

SS

123. Disodium phosphate 2060

SS

124. Emulsions, photographic (KSCA)

2060

SS

125. Ethyl acetate (SSCA/P) 83 77 tg-l 2060

LNS

126. Ethyl alcohol (KSCA) 114 78 40 2060

SL

100 2060

SL

127. Ethyl benzene (SSCA/P) 95 136 tg-l 2060

NSNS

128. Ethyl chloride (P) 136 12 sol. 2060

NSNS

IS 14333 : 1996

17


b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

129. Ethylene glycol (KSCA) 11 198 tg-l 2060

SS

130. Ethyl ether (P) 113 35 tg-l 2060

NSNS

131. Ferric chloride 306 dec. Sat. sol. 2060

SS

132. Ferric nitrate 47 dec. Sat. sol. 2060

SS

133. Ferric sulphate 480dec.

Sat. sol. 2060

SS

134. Ferrous chloride 670-674 Sat. sol. 2060

SS

135. Ferrous sulphate Sat. sol. 2060

SS

136. Fluoboric acid 130dec.

sol. 2060

SS

137. Fluorine gas, dry 220 188 tg-g 2060

NSNS

138. Fluorine gas, wet 220 188 tg-g 2060

NSNS

139. Fluosilicic acid dec. 40 2060

SS

conc. 2060

SS

140. Formaldehyde 92 19 30 to 40 2060

SS

141. Formic acid 8 101 All conc. 2060

SS

142. Fructose 104dec.

Sat. sol. 2060

SS

143. Fruit pulp (SSCA) 2060

SS

144. Fuel oil 2060

LNS

145. Furfural (P) 39 162 tg-l 2060

NSNS

146. Furfuryl alcohol(SSCA/P)

29 170 tg-l 2060

SL

147. Gallic acid Sat. sol. 2060

SS

148. Gas, manufactured tg-g 20 S

IS 14333 : 1996

18


b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

149. Gas, Natural, Dry tg-g 2050

SS

150. Gas, Natural, Wet tg-g 20 S

151. Gasoline (Fuel) (SSCA/P) Work. sol. 2060

LNS

152. Gelatine Sol. 2060

SS

153. Glucose(dec > 200C)

146 Sol. 2060

SS

154. Glycerine (KSCA) 20 290 tg-l 2060

SS

155. Glycol (KSCA) 12 199 tg-l 2060

SS

156. Glycolic acid (KSCA) 80 dec. 30 2060

SS

157. Grapefruit juice Work. sol. 20 S

158. Heptane (SSCA/P) 90 98 tg-l 2060

LNS

159. Hexachlorobenzene 230 322subl.

sol. 2060

SS

160. Hexanol (KSCA) 47 158 tg-l 2060

SS

161. Honey Work sol. 2060

SS

162. Horseradish Work sol. 2060

SS

163. Hydrobromic acid 87 67 All conc. 2060

SS

164. Hydrochloric acid 112 85 All conc. 2060

SS

165. Hydrocyanic acid 15 25 10 2060

SS

Sat. sol. 2060

SS

166. Hydrofluoric acid 85 20 Up to 10 2060

SS

60 2060

SL

IS 14333 : 1996

19


b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

167. Hydrogen -253 tg-g 2060

SS

168. Hydrogen peroxide 1 158 Upto 10 2060

SS

30 2060

SS

90 2060

SNS

169. Hydrogen sulphide,dry gas

-61 tg-g 2060

SS

170. Hydroquinone 170 286(730mm)

Sat. sol. 2060

SS

171. Hypochlorous acid dec. Conc. 2060

SS

172. Inks (KSCA) 2060

SS

173. Iodine (O)(In potassium iodide)

681 1330 Sat. sol. 2060

NSNS

174. Iodine, in alcohol 114 183 Work. sol. 2060

NSNS

175. Lactic acid 18 119(12 mm)

All conc. 2060

SS

176. Lead acetate 75 Sat. sol. 2060

SS

177. Lead nitrate 470dec.

2060

SS

178. Magnesium carbonate 350dec.

Susp. 2060

SS

179. Magnesium chloride 714 1412 Sat. sol. 2060

SS

180. Magnesium hydroxide -H2O350

Sat. sol. 2060

SS

181. Magnesium nitrate 129 Sat. sol. 2060

SS

IS 14333 : 1996

20


b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

182. Magnesium sulphate 1 124dec.

Sat. sol. 2060

SS

183. Maleic acid (dec 160C) 131 Sat. sol. 2060

SS

184. Maleic acid (Subl.) 136 Sol. 2060

SS

Sat. sol. 2060

SS

185. Mayonnaise Work. sol. 20 S

186. Mercuric chloride 276 302 Sat. sol. 2060

SS

187. Mercuric Cyanide dec. Sat. sol. 2060

SS

188. Mercurous nitrate 70 Sat. sol. 2060

SS

189. Mercury 39 357 tg-l 2060

SS

190. Methyl alcohol (KSCA) 97 65 tg-l 2060

SS

191. Methyl bromide (SSCA) 94 4 tg-l 2060

LNS

192. Methylene chloride (SSCA/P)

95 40 tg-l 2060

NSNS

193. Methyl ethyl ketone 86 80 tg-l 2060

NSNS

194. Milk Work. sol. 2060

SS

195. Mineral oils Works. sol. 2060

SNS

196. Molasses Work. sol. 2060

SS

197. Mustard, aqueous Work. sol. 20 S

198. Naphtha (KSCA/P) 2060

LNS

199. Naphthalene (SSCA/P) 81 218 2060

NSNS

200. Nickel chloride 1 001 Subl. Sat. sol. 2060

SS

201. Nickel nitrate 57 137 Sat. sol. 2060

SS

IS 14333 : 1996

21


b.p.C

Conc.%

Tempe- rature

C

Classifi- cation

202. Nickel sulphate 848dec.

Sat. sol. 2060

SS

203. Nicotinic acid (KSCA) 236 Susp. 20 S

204. Nitric acid (O) 5 2060

SS

10 2060

SS

20 2060

SS

25 2060

SS

50 2060

LNS

> 50 2060

NSNS

205. Nitric acid, fuming(with nitrogen dioxide)

2060

NSNS

206. Nitrobenzene (SSCA/P) 6 211 tg-l 2060

NSNS

207. n-Octane 57 126 tg-l 2060

SS

208. Oils & Fats tg-l 2060

SI

209. Oleic acid 16 280(100 mm)

tg-l 2060

SS

210. Oleum Conc. 2060

NSNS

211. Oxalic acid (KSCA) (Subl.)

102 Sat. sol. 2060

SS

212. Oxygen, gas 183 tg-g 2060

SL

213. Ozone, gas 112 tg-g 2060

LNS

214. Perchloroethylene (P) 19 121 tg-l 2060

NSNS

215. Petroleum ether (SSCR) 40-80 2060

NSNS

216. Phenol 41 182 Sol. 2060

SS

217. Phosphine 134 88 tg-g 2060

SS

IS 14333 : 1996

22


b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

218. Phosphoric acid 42 Up to 50 2060

SS

219. Phosphorus (III)chloride

92 75 tg-l 2060

SS

220. Photographic solutions 2060

SS

221. Pickling baths :

Sulphuric acid

Hydrochloric acid

Sulphuric Nitric

206020602060

SSSSSNS

222. Picric acid (Subl) 122 Set. Sol. 20 S223. Plating solutions

(KSCA):Brass

Cadmium

Chromium

Copper

Gold

Indium

Lead

Nickel

Rhodium

Silver

Tin

Zinc

206020602060206020602060206020602060206020602060

SSSSSSSSSSSSSSSSSSSSSSSS

224. Potassium bicarbonate 100-200dec.

Sat. sol. 2060

SS

225. Potassium bisulphate 190dec.

Sat. sol. 2060

SS

226. Potassium borate 950 Sat. sol. 2060

SS

227. Potassium bromate 434dec.

Sat. sol. 2060

SS

Up to 10 2060

SS

IS 14333 : 1996

23


b. m.C

Conc.%

Tempe- rature

C

Classi-fication

228. Potassium bromide 734 1 435 Sat. sol. 2060

SS

229. Potassium carbonate H2O132

Sat. sol. 2060

SS

230. Potassium chlorate 356 400dec.

Sat. sol. 2060

SS

231. Potassium chloride 770 1 500subl.

Sat. sol. 2060

SS

232. Potassium chromate 968 Sat. sol. 2060

SS

40 2060

SS

233. Potassium cyanide 635 Sol. 2060

SS

Sat. sol. 2060

SS

234. Potassium dichromate 242 500dec.

Sat. sol. 2060

SS

235. Potassium ferricyanide/ ferrocyanide

dec. 40 2060

SS

Sat. sol. 2060

SS

236. Potassium fluoride 858 1 505 Sat. sol. 2060

SS

237. Potassium hexacyanofer- rate (II) (Potassium) pherocynide)

Sat. sol. 2060

SS

238. Potassium hydrogen sulphite

190dec.

Sol. 2060

SS

239. Potassium hydroxide 360 1 324 Con. sol. 2060

SS

10-20 2060

SS

240. Potassium hypochlorite Sol. 2060

SL

241. Potassium nitrate 334 400dec.

Sat. sol. 2060

SS

242. Potassium orthophos- phote

1 340 Sat. sol. 2060

SS

243. Potassium perborate 100dec.

Sat. sol. 2060

SS

IS 14333 : 1996

24


b. p.C

Conc.%

Tempe- rature

C

Classifi- cation

244. Potassium perchlorate 610 400dec.

Sat. sol. 2060

SS

245. Potassium permanganate < 240dec.

20 2060

SS

246. Potassium persulphate > 300 dec. Sat. sol. 2060

SS

247. Potassium sulphate 1 069 Sat. sol. 2060

SS

248. Potassium sulphide 840 Sat. sol. 2060

SS

249. Potassium sulphite dec. Sat. sol. 2060

SS

250. Potassium thiosulphate H2O200

dec. Sat. sal. 2060

SS

251. Propargyl alcohol(KSCA)

48 114 2060

SS

252. Propionic acid 20 141 50 2060

SS

tg-l 2060

SL

253. Iso Propyl alcohol(KSCA)

90 82 tg-l 2060

SS

254. n-Propyl alcohol(KSCA)

127 97 tg-l 2060

SS

255. Propylene dichloride (SSCA/P)

100 96 tg-i 2060

NSNS

256. Propylene glycol(KSCA)

189 tg-l 2060

NSNS

257. Pyridine (SSCA) 42 115 tg-l 2060

SL

258. Resorcinol 111 178 Sat. sol. 2060

SS

259. Salicylic acid (Subl.) 156 Sat. sol. 2060

SS

260. Sea water 2060

SS

261. Selenic acid 260dec.

sol. 2060

SS

262. Shortening (KSCA) 2060

SS

IS 14333 : 1996

25


b. p.C

Conc.%

Tempe- rature

C

Classi-fication

263. Silicic acid 150dec.

sol. 2060

SS

264. Silver acetate dec. Sat. sol. 2060

SS

265. Silver cyanide 320dec.

Sat. sol. 2060

SS

266. Silver nitrate 212 444dec.

Sat. sol. 2060

SS

267. Soap solution (KSCA) All conc. 2060

SS

268. Sodium acetate 324 Sat. sol. 2060

SS

269. Sodium anitmonate 280dec.

Sat. sol. 2060

SS

270. Sodium arsenite Sat. sol. 2060

SS

271. Sodium benzoate Sat. sol. 2060

SS

272. Sodium bicarbonate CO2270

Sat. sol. 2060

SS

273. Sodium bisulphate > 315 dec. Sat. sol. 2060

SS

274. Sodium bisulphite dec. Sat. sol. 2060

SS

275. Sodium borate 966 Sol. 2060

SS

276. Sodium bromide 747 1 390 Sat. sol. 2060

SS

277. Sodium carbonate 851 dec. Sat. sol. 2060

SS

25 2060

SS

Up to 50 2060

SS

278. Sodium chlorate 248 261

dec. Sat. sol. 2060

SS

279. Sodium chloride 801 1 413 All conc. 2060

SS

280. Sodium chlorite 180 200

2 20 S

IS 14333 : 1996

26


b. p.C

Conc.%

Tempe- rature

C

Classi-fication

281. Sodium chromate Dil. sol. 2060

SS

282. Sodium cyanide 564 1 496 Sat. sol. 2060

SS

283. Sodium dichromate 357 Sat. sol. 2060

SS

284. Sodium ferricyanide Sat. sol. 2060

SS

285. Sodium ferrocyanide Sat. sol. 2060

SS

286. Sodium fluoride 993 1 695 Sat. sol. 2060

SS

287. Sodium hydrogensulphite dec. Sat. sol. 2060

SS

288. Sodium hydroxide 318 1 390 All conc. 2060

SS

289. Sodium hypochlorite 18 10 to 15 2060

SS

290. Sodium nitrate 307 380dec.

Sat. sol. 2060

SS

291. Sodium nitrite 271 320dec.

Sat. sol. 2060

SS

292. Sodium phosphate, acid Sat. sol. 2060

SS

293. Sodium phosphate, neutral

Sat. sol. 2060

SS

294. Sodium silicate Sol. 2060

SS

295. Sodium sulphate 884 Sat. sol. 2060

SS

0, 1 2060

SS

296. Sodium sulphide 1 180 Sat. sol. 2060

SS

297. Sodium sulphite dec. Sat. sol. 2060

SS

40 2060

SS

298. Stannic chloride 33 114 Sat. sol. 2060

SS

IS 14333 : 1996

27


b. p.C

Conc.%

Tempe- rature

C

Classi-fication

299. Stannous chloride 246 652 Sat. sol. 2060

SS

300. Starch solution (KSCA) Sat. sol. 2060

SS

301. Stearic acid (KSCA) 71 360dec.

2060

SS

302. Sulphur dioxide, dry gas 73 10 2060

SS

303. Sulphur trioxide 17 45 tg-l 2060

NSNS

304. Sulphuric acid (O) Upto 10 2060

SS

10 to 50 2060

SS

50 to 75 2060

SL

80 2060

SNS

98 2060

LNS

Fuming 2060

NSNS

305. Sulphurous acid Up to 30 2060

SS

306. Tallow (P) 20 S

307. Tannic acid (KSCA) 210 215 dec.

Sat. sol, 2060

SS

308. Tertaric acid (dec) 170 Sol. 2060

SS

Sat. sol. 2060

SS

309. Tetrahydrofuran(SSCA/P)

67 tg-l 2060

NSNS

310. Thionyl chloride 105 79 tg-l 2060

NSNS

311. Tin (II) chloride 247 652 Sat. sol. 2060

SS

312. Tin (IV) chloride 33 113 Sol. 2060

SS

IS 14333 : 1996

28


b. p.C

Conc.%

Tempe- rature

C

Classi-fication

313. Titanium tetrachloride(SSCA)

tg-l 20 NS

314. Toluene (SSCA/P) 95 111 tg-l 2060

NSNS

315. Transformer oil 2060

SL

316. Trichloroethylene(SSCA/P)

85 87 tg-l 2060

NSNS

317. Triethanolamine 18 190(5 mm)

Sol. 2060

SL

318. Triethylene glycol(SSCA)

5 278 tg-l 2060

SS

319. Trisodium phosphate Sat. sol. 2060

SS

320. Turpentine (P) tg-l 2060

LL

321. Urea 133 0 to 30 2060

SS

322. Urine 2060

SS

323. Vanilla Extract(KSCA)

2060

SS

324. Vinegar Work. sol. 2060

SS

325. Water 2060

SS

326. Water, brackish 2060

SS

327. Water, distilled 2060

SS

328. Water, fresh 2060

SS

329. Water, Mineral Work. sol 2060

SS

330. Water, Potable Work. sol. 20 S

331. Water, Sea 2060

SS

332. Wetting agents (KSCA) Work. sol. 2020

SS

333. Whiskey (KSCA) Work. sol. 2060

SS

IS 14333 : 1996

29


b.p.C

Conc.%

Tempe- rature

C

Classi-fication

334. Wines (SSCA) Work. sol. 2060

SS

335. Wines and spirits Work. sol. 2060

SS

336. Xylenes (P) 53to

138to

144

tg-l 2060

NSNS

337. Yeast Susp. 2060

SS

338. Zinc bromide 394 650 Sat. sol. 2060

SS

339. Zinc carbonate CO2300

Susp. 2060

SS

340. Zinc chloride 283 732 Sat. sol. 2060

SS

58 2060

SS

341. Zinc nitrate 46 Sat. sol. 2060

SS

342. Zinc oxide 1 975 Susp. 2060

SS

343. Zinc stearate 130 sol. 2060

SS

344. Zinc sulphate 600dec.

Sat. sol. 2060

SS

IS 14333 : 1996

30

ANNEX E( Foreword )

COMMITTEE COMPOSITION

Plastic Pipes and Fittings Sectional Committee, CED 50

Chairman RepresentingSHRI K. PRABHAKRA RAO Engineer-in-Chiefs Branch, Ministry of Defence, New Delhi

MembersHYDRAULIC ENGINEER

DEPUTY HYDRAULIC ENGINEER ( Alternate )Municipal Corporation of Greater Bombay, Bombay

SHRI P. S. RAJVANSHISHRI M. S. NARAYANAN ( Alternate )

Central Public Health & Environmental Engineering Organization,Ministry of Works & Housing, New Delhi

DR R. PARMASIVAMSHRIMATI S. S. DHAGE ( Alternate )

National Environmental Engineering Research Institute (CSIR), Nagpur

SHRI M. S. IDNANISHRI C. P. SATHE ( Alternate )

Garware Plastics & Polyester Ltd, Bombay

SHRI S. PRAKASHCHIEF ENGINEER (C) ( Alternate )

Delhi Municipal Corporation, Delhi

SHRI S. S. BHANDARI Wavin India Ltd, GhaziabadSHRI V. K. SHARMA

SHRI N. N. SHAH ( Alternate )NOCIL, Bombay

CHIF ENGINEER (PPR & D)MATERIALS MANAGER ( Alternate )

U. P. Jal Nigam, Lucknow

LT COL P. K. MASANDSHRI R. N. SINHA, AEE ( Alternate )

Ministry of Defence, New Delhi

ENGINEERING DIRECTOR Tamil Nadu Water Supply & Drainage Board, MadrasCHIEF ENGINEER (WESTERN REGION) ( Alternate )

DEPUTY CHIEF ENGINEER Public Health Engineering Departmet, Government of Kerala, TrivandrumDR P. S. RANA

SHRI K. SUBRAMANIAM ( Alternate )Housing and Urban Development Corporation Ltd, New Delhi

SCIENTISTSHRI SUDHESH KUMAR SHARMA ( Alternate )

Central Building Research Institute (CSIR), Roorkee

SHRI K. L. KHANNASHRI VINAYAK V. SHEMBEKAR ( Alternate )

EPC Irrigation Ltd, Bombay

SHRI R. B. DOCTORSHRI R. A. PATEL ( Alternate )

Ahmedabad Municipal Corporation, Ahmedabad

DR H. C. MRUTHYUNJAYASHRI S. NARAINASWAMY ( Alternate )

Jain Plastic and Chemicals, Jalgaon

SHRIMATI SEEMA VAIDYASHRI A. SAMANTA ( Alternate )

Graphite Vicarb India Ltd, Nasik

DR DHANANJAY RAU Finolex Industries Ltd, PuneSHRI R. C. CHOUDHRY Office of the Chief Engineer, Public Health, Orissa, BhubaneshwarSHRI GULAM AHMED Public Health Engineering Zone, Government of Karnataka, KarnatakaSHRI RAJENDRA PRASAD

SHRI JAY KUMAR ( Alternate )Directorate General of Supplies & Disposals, New Delhi

SHRI V. K. JAIN Public Health Engineering Department, Government of Rajasthan, JaipurSHRI M. K. M. JOSHI ( Alternate )

CHIEF ENGINEER (DESIGNS) Central Public Works Department, New DelhiSUPERINTENDING ENGINEER (S & S) ( Alternate )

SHRI WILLIAM MENDONCA Supreme Industries Ltd, BombaySHRI H. D. YADAV ( Alternate )

SHRI G. K. LALCHANDANI Central Institute of Plastics Engineering and Technology, MadrasDR A. P. DAS ( Alternate )

SHRI D. K. SANYAL Calcutta Municipal Corporation, CalcuttaSHRI A. K. BISWAS ( Alternate )

DR S. M. PATEL Institute of Co-operative Management, AhmedabadDR M. K. PANDEY ( Alternate )

SHRI C. K. SHARMA RITES, New DelhiDIRECTOR (MATERIALS MANAGEMENT) Delhi Development Authority, New Delhi

SUPERINTENDING ENGINEER (DESIGNS) ( Alternate )SHRI K. P. NANAVATY Reliance Industries Ltd, Bombay

DR Y. N. SHARMA ( Alternate )SHRI O. P. RATRA Building Materials and Technology Promotion Council (Ministry of Urban

Development), New DelhiSHRI G. K. SRINIVASAN Vimplex India Pvt Ltd, MadrasDR S. SUNDERAMOORTHY

SHRI THIMU G. SHENBAGAWANDAM ( Alternate )Madras Metropolitan Water Supply and Sewerage Board, Madras

SHRI S. SUNDARAMSHRI H. N. PHADNIS ( Alternate )

KWH Heliplastics (India) Ltd, Bombay

SHRI VINOD KUMAR,Director & Head (Civil Engg)

Director General, BIS ( Ex-officio Member )

SecretarySHRI R. S. JUNEJA

Joint Director (Civil Engg), BIS( Continued on page 31 )

IS 14333 : 1996

31

( Continued from page 30 )Panel for Polyethylene Pipes, CED 50 : P4

Chairman Representing

SHRI KANWAR A. SINGH RITES, New Delhi

Members

SHRI V. K. SHARMASHRI M. S. DATT ( Alternate )

NOCIL, Bombay

SHRI K. L. KHANNASHRI V. V. SHEMBEKAR ( Alternate )

EPC Irrigation Ltd, Bombay

DR Y. N. SHARMASHRI JAGMOHAN BAMRI ( Alternate )

Reliance Industries Ltd, Bombay

DR H. C. MRUTHYUNJAYASHRI S. NARAINASWAMI ( Alternate )

Jain Plastic & Chemicals, Jalgaon

SHRI S. SUNDARAMSHRI N. N. PHADNIS ( Alternate )

KWH Heliplastics (India) Ltd, Bombay

SHRI S. PRAKASHSHRI ANAND PRAKASH ( Alternate )

DWS & SDU, New Delhi

LT COL P. K. MASANDSHRI R. N. SINHA ( Alternate )

Engineer-in-Chiefs Branch, Ministry of Defence, New Delhi

SHRI O. P. RATRA BMTPC, New DelhiENGINEERING DIRECTOR Tamil Nadu Water Supply & Drainage Board, MadrasCHIEF ENGINEER (SPG)

SUPERINTENDING ENGINEER (S & S) ( Alternate )CPWD, New Delhi

DR KIRTIVAN D. KOTLAN Manikya Plastichem, MysoreSHRI J. B. S. BAKSHI

SHRI R. K. KAPUR ( Alternate )Uniplas India Ltd, New Delhi

SHRI DILBARISH BAHADUR Inter-link Services Pvt Ltd, New Delhi

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promoteharmonious development of the activities of standardization, marking and quality certification of goods andattending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any formwithout the prior permission in writing of BIS. This does not preclude the free use, in the course ofimplementing the standard, of necessary details, such as symbols and sizes, type or grade designations.Enquiries relating to copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are alsoreviewed periodically; a standard along with amendments is reaffirmed when such review indicates that nochanges are needed; if the review indicates that changes are needed, it is taken up for revision. Users ofIndian Standards should ascertain that they are in possession of the latest amendments or edition byreferring to the latest issue of BIS Catalogue and Standards : Monthly Additions.

This Indian Standard has been developed from Doc : No. CED 50 (5547)

Amendments Issued Since Publication

Amend No. Date of Issue

Amd. No. 1 October 2000

Amd. No. 2 September 2003

Amd. No. 3 December 2004

BUREAU OF INDIAN STANDARDS

Headquarters:

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002.Telephones: 323 01 31, 323 33 75, 323 94 02

Telegrams: Manaksanstha(Common to all offices)

Regional Offices: Telephone

Central : Manak Bhavan, 9 Bahadur Shah Zafar MargNEW DELHI 110002

323 76 17323 38 41

Eastern : 1/14 C. I. T. Scheme VII M, V. I. P. Road, KankurgachiKOLKATA 700054

337 84 99, 337 85 61337 86 26, 337 91 20

Northern : SCO 335-336, Sector 34-A, CHANDIGARH 160022 60 38 4360 20 25

Southern : C. I. T. Campus, IV Cross Road, CHENNAI 600113 235 02 16, 235 04 42235 15 19, 235 23 15

Western : Manakalaya, E9 MIDC, Marol, Andheri (East)MUMBAI 400093

832 92 95, 832 78 58832 78 91, 832 78 92

Branches : AHMED ABAD . BANG ALOR E. BHO PAL. BH UBANE SH WAR . C OI MB ATOR E. FARI DA BAD. G HAZI ABA D. GUWAH ATI . H YDER ABAD . JAI PUR . K ANPUR . LUCKNOW. NAGPUR. NALAGARH. PATNA. PUNE. RAJKOT. THIRUVANANTHAPURAM.VISHAKHAPATNAM.

AMENDMENTNO.4 JANUARY 2009TO

1S14333:1996HIGH DENSITY POLYETHYLENE PIPESFOR SEWERAGE SPECIFICATION

(Page 2, Table 1, cd 1 to 4) Insert the following new values at the end:

Table 1 Outside Diameter, Tolerance and Ovality of Pipes(Clause 6.1)

...

Nominal Chrtside Diameter Tolerance OvalityDiameter mm mm

DN (only~sitivetolerances)

(1) (2) (3) (4)..

710 710.0 6.4 24.9

800 800.0 7.2 28.0

900 900.0 8.1 31.5

1000 1000.0 9.0 35.0

(CE13 50)

Reprography Unit. BIS, New Delhi, India

.

-----... >,-

4

. $

. ..

Title PageForeword1. Scope2. References3. Designation4. Colour5. MaterialsTable 1

6. Dimensions of PipesTable 2

7. Visual Appearance8. Performance RequirementsTable 3Table 4Table 5Table 6

9. Sampling, Frequency of Tests and Criteria for ConformityTable 7Table 8

10. MarkingAnnex AAnnex BAnnex CAnnex DAnnex EAmendment No. 4

is 14333 hdpe for sewerage

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