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®
NKM-G NKP-GSTANDARDISED ENBLOCCENTRIFUGAL ELECTRIC PUMPSWITH COUPLING MADE TO DIN-EN 733
Enbloc, centrifugal electric pumps with coupling designed for a wide range ofapplications such as:• supplying water.• circulation of hot water for central heating.• circulation of cold water for air conditioning and refrigerating.• transfer of liquids in agriculture, horticulture and industries.• implementation of pumping systems.Single-stage, cast iron spiral body made to DIN-EN 733 (formerly DIN 24255),cast iron support, flanges in accordance with DIN 2533 and DIN 2532 for DN 200.Impeller in cast iron, encased and dynamically balanced with compensation of theaxial thrust by means of balancing holes, operating (on request) with interchan-geable consumable rings. AISI 304 stainless steel pump shaft. Seal: standardisedmechanical seal made to DIN 24960 in carbon/carborundum with O’ rings inEPDM. Closed, asynchronous motor with external ventilation, construction typeB3/B5, 2 poles for NKP and 4 poles for NKM.We recommend using overload protection for the motor, in accordance with cur-
rent norms. In the case of liquids denser than water, the motors must be propor-tionally more powerful.
Speed of rotation: 1450 - 2900 1/min.Operating range: from 1 to 500 m3/h with a head of up to 100 metres.Pumped liquid: clean, without solid or abrasive substances, not viscous, notaggressive, not crystallised and chemically neutral, close to water characteristics.Liquid temperature range: from -10°C to +140°C.Maximum ambient temperature: +40°C.Maximum working pressure: 16 bar - 1600 kPa (for DN 200 max. 10 bar).Flanging: PN 16 DIN 2533 - PN 10 DIN 2532 for DN 200Installation: normally horizontal or vertical provided the motor is always abovethe pump.Special versions on request: pumps for liquids other than water.Other voltages and/or frequencies.
VERSION WITH MOTOR UP TO 7,5 KW COMPRESSED
VERSION FOR MODELS: NKM-G 65-315/309/A/BAQE/11/4,NKM-G100-315/316/A/BAQE/22/4, NKM-G125-250/243/A/BAQE/15/4,NKM-G 80-200/200/A/BAQE/4/4,NKM-G 80-250/270/A/BAQE/11/4, NKM-G 80-315/305/A/BAQE/15 /4, NKM-G 80-315/320/A/BAQE/18,5/4, NKM-G 80-315/334/A/BAQE/22/4NKM-G100-250/250/A/BAQE/11/4, NKM-G150-200/218/A/BAQE/11/4
VERSION WITH MOTOR OVER 7,5 KW
N.
1
3
4
7A
16
28
31
36
37
PARTS
PUMP BODY
SUPPORT
IMPELLER
PUMP SHAFT
MECHANICAL SEAL
O RING
SPACER SEAL
SEAL HOLDER DISK
BLEED COCK
PARTS
IMPELLER
MECHANICAL SEAL
MATERIALS (STANDARD VERSION)
250 UNI ISO 185 CAST IRON
250 UNI ISO 185 CAST IRON
250 UNI ISO 185 CAST IRON
AISI 304 - UNI 6900/71 STAINLESS STEEL
CARBON/CARBORUNDUM - EPDM
VITON
AISI 304 - UNI 6900/71 STAINLESS STEEL
250 UNI ISO 185 CAST IRON
AISI 304 - UNI 6900/71 STAINLESS STEEL
N.
4
16
MATERIALS (VERSION ON REQUEST)
BRONZE GCuSn5Zn5Pb5 UNI 7013/8a-72
CARBON/CARBORUNDUM - PTFE
CARBORUNDUM/CARBORUNDUM - VITON
CARBON/ CARBORUNDUM - VITON
®
NKM-GSTANDARDISED ENBLOCCENTRIFUGAL ELECTRIC PUMPSWITH COUPLING MADE TO DIN-EN 733
MODEL
4 POLES (1450 r.p.m.)
NKM-G 32-125.1/140/A/BAQE/0.25/4NKM-G 32-125/142/A/BAQE/ 0.37/4NKM-G 32-160.1 169/A/BAQE/0.37/4NKM-G 32-160/169/A/BAQE/0,55/4NKM-G 32-200.1 200/A/BAQE/0,55/4NKM-G 32-200/200/A/BAQE/ 0,75/4NKM-G 32-200/219/A/BAQE/ 1,1 /4NKM-G 40-125/115/A/BAQE/ 0.25/4NKM-G 40-125/130/A/BAQE/ 0.37/4NKM-G 40-125/142/A/BAQE/ 0.55/4NKM-G 40-160/153/A/BAQE/ 0.55/4NKM-G 40-160/166/A/BAQE/ 0.75/4NKM-G 40-200/200/A/BAQE/ 1,1 /4NKM-G 40-200/219/A/BAQE/ 1,5 /4NKM-G 40-250/245/A/BAQE/ 2,2 /4NKM-G 40-250/260/A/BAQE/ 3 /4NKM-G 50-125/130/A/BAQE/ 0.55/4NKM-G 50-125/141/A/BAQE/ 0.75/4NKM-G 50-160/161/A/BAQE/ 1.1 /4NKM-G 50-160/177/A/BAQE/ 1,5 /4NKM-G 50-200/210/A/BAQE/ 2,2 /4NKM-G 50-200/219/A/BAQE/ 3 /4NKM-G 50-250/263/A/BAQE/ 4 /4NKM-G 65-125/130/A/BAQE/ 0.75/4NKM-G 65-125/144/A/BAQE/ 1.1 /4NKM-G 65-160/153/A/BAQE/ 1,1 /4NKM-G 65-160/165/A/BAQE/ 1,5 /4NKM-G 65-160/177/A/BAQE/ 2,2 /4NKM-G 65-200/210/A/BAQE/ 3 /4NKM-G 65-200/219/A/BAQE/ 4 /4NKM-G 65-250/263/A/BAQE/ 5,5 /4NKM-G 65-315/279/A/BAQE/ 7,5 /4NKM-G 65-315/309/A/BAQE/11 /4NKM-G 80-160/153-136/A/BAQE/1.5/4NKM-G 80-160/163/A/BAQE/ 2,2 /4NKM-G 80-160/177/A/BAQE/ 3 /4NKM-G 80-200/200/A/BAQE/ 4 /4NKM-G 80-200/222/A/BAQE/ 5,5 /4NKM-G 80-250/240/A/BAQE/ 7,5 /4NKM-G 80-250/270/A/BAQE/11 /4NKM-G 80-315/305/A/BAQE/15 /4NKM-G 80-315/320/A/BAQE/18,5 /4NKM-G 80-315/334/A/BAQE/22 /4NKM-G100-200/200/A/BAQE/ 5.5 /4NKM-G100-200/214/A/BAQE/ 7.5 /4NKM-G100-250/250/A/BAQE/11 /4NKM-G100-250/270/A/BAQE/15 /4NKM-G100-315/300/A/BAQE/18.5 /4NKM-G100-315/316/A/BAQE/22 /4NKM-G125-250/243/A/BAQE/15 /4NKM-G125-250/256/A/BAQE/18,5 /4NKM-G125-250/266/A/BAQE/22 /4NKM-G150-200/218/A/BAQE/11 /4
VOLTAGE50 Hz
MOTORSIZE
P2NOMINAL In
A DNAkW HP DNM
ØWEIGHT
MEC 71MEC 71MEC 71MEC 80MEC 80MEC 80MEC 90 SMEC 71MEC 71MEC 71MEC 71MEC 80MEC 90 SMEC 90 LMEC 100 LMEC 100 LMEC 71MEC 80MEC 90 SMEC 90 LMEC 100 LMEC 100 LMEC 112 MMEC 80MEC 90 SMEC 90 SMEC 90 LMEC 100 LMEC 100 LMEC 112 MMEC 132 SMEC 132 MMEC 160 M MEC 90 LMEC 100 LMEC 100 LMEC 112 MMEC 132 SMEC 132 MMEC 160 MMEC 160 LMEC 180 MMEC 180 LMEC 132 SMEC 132 MMEC 160 MMEC 160 LMEC 180 MMEC 180 LMEC 160 LMEC 180 MMEC 180 LMEC 160 M
3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x400 V ~ ∆*
3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x400 V ~ ∆*3x400 V ~ ∆*
3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*
3x230-400 V ~3x230-400 V ~3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*
0.250.370.370.550.550.751.1
0.250.370.550.550.751.11.52.23
0.550.751.11.52.234
0.751.11.11.52.234
5.57.5111.52.234
5.57.51115
18.5225.57.51115
18.52215
18.52211
0.330.50.50.750.75
11.50.330.50.750.75
11.5234
0.751
1.5234
5.51
1.51.5234
5.57.51015234
5.57.510152025307.5101520253020253015
1.2 - 0.72-1.182 - 1.182.8 - 1.62.8 - 1.63.8 - 2.25 - 2.91.2-0.72-1.18
2.9 - 1.72.9 - 1.73.8 - 2.2
5-2.96.2-3.69.2 - 5.3
6.72.9 - 1.73.8 - 2.2
5-2.96.2-3.69.2 - 5.3
6.78.2
3.8 - 2.25-2.95-2.9
6.2 - 3.69.2 - 5.3
6.78.2
11.314.722
6.2 - 3.69.2 - 5.3
6.78.211.314.722293541
11.314.72229354122354122
505050505050506565656565656565656565656565656580808080808080808080100100100100100100100100100100125125125125125125150150150150
32323232323232404040404040404040505050505050506565656565656565656580808080808080808080150150150150150150125125125125
1930,243
44,546
48,55133
35,348495053
55,778
74,342
43,652,34974
66,8905763
56,553
61,374,980,1146
161,619462,27174
144,4120170255227244
257,3135140267295313325240258
270,4–
ELECTRICAL DATA
* Star ( ) starting is possibleY
4-POLES (1450 r.p.m.)
®
NKP-G STANDARDISED ENBLOCCENTRIFUGAL ELECTRIC PUMPSWITH COUPLING MADE TO DIN-EN 733
MODEL
2 POLES (2900 r.p.m.)
NKP-G 32-125.1/102/A/BAQE /0.75/2NKP-G 32-125.1/115/A/BAQE /1.1/2NKP-G 32-125.1/125/A/BAQE /1.5/2NKP-G 32-125.1/140/A/BAQE/2.2/2NKP-G 32-125/110/A/BAQE / 1.1 /2NKP-G 32-125/120/A/BAQE / 1.5 /2NKP-G 32-125/130/A/BAQE / 2.2 /2NKP-G 32-125/142/A/BAQE / 3 /2NKP-G 32-160.1 155/A/BAQE/2.2/2NKP-G 32-160.1 166/A/BAQE /3 /2NKP-G 32-160/151 /A/BAQE /3 /2NKP-G 32-160/163 /A/BAQE /4 /2NKP-G 32-160/177 /A/BAQE /5,5/2NKP-G 32-200.1 188/A/BAQE /4 /2NKP-G 32-200.1 205/A/BAQE /5,5/2NKP-G 32-200/190/A/BAQE / 5.5 /2NKP-G 32-200/210/A/BAQE / 7.5 /2NKP-G 40-125/107/A/BAQE / 1.5 /2NKP-G 40-125/120/A/BAQE / 2.2 /2NKP-G 40-125/130/A/BAQE / 3 /2NKP-G 40-125/139/A/BAQE / 4 /2NKP-G 40-160/158/A/BAQE / 5,5 /2NKP-G 40-160/172/A/BAQE / 7,5 /2NKP-G 40-200/210/A/BAQE /11 /2NKP-G 40-250/230/A/BAQE /15 /2NKP-G 40-250/245/A/BAQE /18.5 /2NKP-G 40-250/260/A/BAQE/22 /2NKP-G 50-125/115/A/BAQE / 3 /2NKP-G 50-125/125/A/BAQE / 4 /2NKP-G 50-125/135/A/BAQE / 5,5 /2NKP-G 50-125/144/A/BAQE / 7,5 /2NKP-G 50-160/153/A/BAQE / 7.5 /2NKP-G 50-160/169/A/BAQE /11 /2NKP-G 50-200/200/A/BAQE /15 /2NKP-G 50-200/210/A/BAQE /18,5 /2NKP-G 50-200/219/A/BAQE/22 /2NKP-G 50-250/230/A/BAQE/22 /2NKP-G 50-250/257/A/BAQE /30 /2NKP-G 65-125/120-110/A/BAQE /4/2NKP-G 65-125/127/A/BAQE / 5,5 /2NKP-G 65-125/137/A/BAQE / 7,5 /2NKP-G 65-160/157/A/BAQE /11 /2NKP-G 65-160/173/A/BAQE /15 /2NKP-G 65-200/190/A/BAQE /18,5 /2NKP-G 65-200/200/A/BAQE/22 /2NKP-G 65-200/219/A/BAQE /30 /2NKP-G 80-160/147-127/A/BAQE /11 /2NKP-G 80-160/153/A/BAQE /15 /2NKP-G 80-160/163/A/BAQE /18,5 /2NKP-G 80-160/169/A/BAQE/22 /2NKP-G 80-200/190/A/BAQE /30 /2
VOLTAGE50 Hz
MOTORSIZE
P2NOMINAL In
A DNAkW HP DNM
ØWEIGHT
MEC 80MEC 80 MEC 90 SMEC 90 LMEC 80MEC 90 S MEC 90 LMEC 100 LMEC 90 LMEC 100 LMEC 100 LMEC 112 M MEC 132 SMEC 112 M MEC 132 SMEC 132 SMEC 132 SMEC 90 S MEC 90 LMEC 100 LMEC 112MEC 132 SMEC 132 SMEC 160 MMEC 160 MMEC 160 LMEC 180 MMEC 100 LMEC 112MEC 132 SMEC 132 SMEC 132 SMEC 160 MMEC 160 MMEC 160 LMEC 180 MMEC 180 MMEC 200 LMEC 112MEC 132 SMEC 132 SMEC 160 MMEC 160 MMEC 160 LMEC 180 MMEC 200 LMEC 160 MMEC 160 MMEC 160 LMEC 180 MMEC 200 L
3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x230-400 V ~3x400 V ~ ∆*
3x230-400 V ~3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*
3x230-400 V ~3x230-400 V ~3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*3x400 V ~ ∆*
0,751,11,52,21,11,52,23,02,23,03,04,05,54,05,55,57,51,52,23,04,05,57,5
11,015,018,522,03,04,05,57,57,5
11,015,018,522,022,030,04,05,57,5
11,015,018,522,030,011,015,018,522,030,0
11.523
1.5234344
5.57.55.57.57.510234
5.57.510152025304
5.57.510101520253030405.57.51015202530401520253040
3.2 - 1.94.5 - 2.65.9 - 3.48.5 - 4.94.5 - 2.65.9 - 3.48.5 - 4.9
6.45.5 - 4.9
6.46.48.510.68.510.610.614.1
5.9 - 3.48.5 - 4.9
6.48.510.614.120.427.533.539.56.48.510.614.114.120.427.533.539.539.552.58.510.614.120.427.533.539.552.520.427.533.539.552.5
50505050505050505050505050505050506565656565656565656565656565656565656565658080808080808080100100100100100
323232323232323232323232323232323240404040404040404040505050505050505050505065656565656565658080808080
44,445,947,349,335,836,843,352,7616970801047586
87,791,141,6576881
81,588,7122,1137
176,31907184
83,486,488,2119
133,5170,1184,42482408911590,7121,5128238
188,1238
136,8136
172,4187
255,2
ELECTRICAL DATA
* Star ( ) starting is possibleY
2-POLES (2900 r.p.m.)
®
2 POLES (2900 r.p.m.)HYDRAULIC DATA NKP-G
H (
ft)
20
30
40
80
60
100
150
200
300
390
130
1
1 2 3 5 10 20 40 80
2 3 5 10 20 40 80 100 158
Q (IMPgpm)
Q (USgpm)
2 6543 1410 2420 30 8070605040 200100 600400300 700
8
12
10
9
6
7
20
18
16
14
40
30
34
70
60
50
120
100
90
80
H (
m)
80/160
65/160
50/160
65/20050/200
50/25040/250
40/200
80/200
40/125
50/125
65/125
40/160
32/125.1
32/160
32/160.1
32/200
32/200.1
32/125
Q (m3/h)
4 POLES (1450 r.p.m.)HYDRAULIC DATA NKM-G
H (m
)
Q (m3/h)
20
40
60
100
229
200
150
10
H (f
t)
1301
1 2 3 5 10 20 40 80
2 3 5 10 20 40 80 100 158
Q (IMPgpm)
Q (USgpm)
7
65/315
80/200
50/250
65/200*07/97
125/250
80/315
80/20065/200
80/16065/160
50/160
50/200
40/200
32/200
65/250
65/315
50/125
32/125
65/12540/125
32/125.140/160
100/200
100/315
100/250
80/250
150/200
32/160.1
32/160
32/200.1
2 6543 24201410 100807060504030 400300200 6002
4
3
9
8
7
6
5
2018
16
14
12
10
40
30
24
50
70
60
40/250