PIPING SYSTEM

1

AMJ ENGINEERING CONSULTANTS CO.,LTD.

CONTENT

1. PIPING STANDARD

2. VALVES

2

3. EXPANSION AND FLEXIBILITY

4. PIPE SUPPORTS

5. IDENTIFICATION OF PIPING

PIPING STANDARD

THE DEFINITION

Piping

3

Piping

Tube or Tubing

1. PIPING STANDARD

ASTM

American Society for Testing and Materials

4

ASTM A53 ASTM A106 ASTM B88

1. PIPING STANDARD

API

American Petroleum Institute

5

American Petroleum Institute

API 5L

1. PIPING STANDARD

JIS

Japan Industrial Standard

6

Japan Industrial Standard

JIS G 3452 JIS G 3454

1. PIPING STANDARD

BS (EN STANDARD)

British Standard

7

British Standard

BS 1387

1. PIPING STANDARD

Standard Pipe Sized

Diameters of 12 inch and less

8

Diameters of inch and less

Measured by the diameter of the pipe.

standard weight pipe

Properties of Commercial Steel Pipe

Nominal Wall inside

pipe size,outside a b c thickness,in diameter,in

deameter,in

4 5S 0.083 4.334

4.500 10S 0.120 4.260

0.188 4.124

40 Std 40S 0.237 4.026

Schedule number*

9

40 Std 40S 0.237 4.026

80 XS 80S 0.337 3.826

120 0.437 3.626

0.500 3.500

160 0.531 3.438

XXS 0.674 3.152

0.800 2.900

0.925 2.650

1. PIPING STANDARD

Standard Pipe Sized

Over 12 inch

10

Over inch

Measured by the outside diameter

Properties of Commercial Steel Pipe (Continued)

Nominal Wall inside

pipe size,outside a b c thickness,in diameter,in

deameter,in

16 5S 0.165 15.670

16.000 10S 0.188 15.624

10 0.250 15.500

20 0.312 15.376

30 Std 0.375 15.250

Schedule number*

11

30 Std 0.375 15.250

40 XS 0.500 15.000

60 0.656 14.688

80 0.843 14.314

100 1.031 13.938

120 1.218 13.564

140 1.437 13.126

160 1.593 12.814

1. PIPING STANDARD

Piping Fabrication Methods

h Electrical-Fusion Welding

h Electric Resistance Welding (4 inch OD and

12

h Electric Resistance Welding (4 inch OD and under)

h Submerged-Are Electric Welding (24 inch OD to 36 inch OD)

h Seamless Tubing and Pipe

1. PIPING STANDARD

Piping Fabrication Methods

h Forged, Turned and Bored Tubing

13

Forged, Turned and Bored Tubing

hHollow-Forged Pipe and Tubing

1. PIPING STANDARD

Carbon-steel piping

hASTM A53- Pressure limited at 600 lb/in2 and

14

- Pressure limited at 600 lb/in2 and high temp.

- Grade A (More ductile, less strength)

- Grade B (More strength, less ductile)

1. PIPING STANDARD

Carbon-steel piping

hASTM A106

15

- Pressure limited at 2500 lb/in2

- Grade A (More ductile, less strength)

- Grade B (More strength, less ductile)

1. PIPING STANDARD

Chromium-molybdinum steel

h ASTM A335 , Grade P11- Temperature limited at 1000 oF

h ASTM A335 , Grade P22

16

h ASTM A335 , Grade P22- For temperatures from 950 to 1050 oF

h ASTM A335 , Grade 5- For high temperature and erosive action.

1. PIPING STANDARD

Chromium stainless steels

ASTM A312, Grade TP304 ASTM A312, Grade TP316

17

ASTM A312, Grade TP316 ASTM A312, Grade TP347

- Temperature limited at 1200oF

1. PIPING STANDARD

Cast-iron and Ductile-Iron pipe

ANSI 21.50 (AWWA C150)

18

ANSI . (AWWA C

- Use for Water, Gas, Sewage, Drains etc.

- Underground and Submerged service