Calpeda NM / NMD Close Coupled Centrifugal Pumps

 

Calpeda Calpeda NM & NMD Close Coupled Centrifugal Pumps

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Calpeda NM & NMD Close Coupled Centrifugal Pumps

Calpeda NM & NMD Close Coupled Centrifugal Pumps

Construction

Close-coupled, centrifugal pumps; electric motor with extended shaft directly connected to the pump.

  • NM: single-impeller.
  • NMD: with two back-to-back impellers (with axial thrust balancing).
  • Connections: threaded ports ISO 228/1 (BS 2779).
  • NM, NMD: version with pump casing and lanter bracket in cast iron.

Operating Conditions

  • Liquid temperature from -10 °C to +90 °C.
  • Ambient temperature up to 40° C.
  • Total suction lift up to 7 m.
  • Maximum permissible working pressure up to 10 bar (16 bar for pumps NMD 25/190; NMD 32/210; NMD 40/180).
  • Continuous duty.

Motor

  • 2-pole induction motor, 50 Hz (n = 2900 rpm).
  • NM, NMD: three-phase 230/400 V ± 10% up to 3 kW; / 400/690 V ± 10% from 4 to 9,2 kW;
  • NMM, NMDM: single-phase 230 V ± 10%, with thermal protector.
  • Insulation class F.
  • Protection IP 54.

Product Applications

Applications

Calpeda NM & NMD Close Coupled Centrifugal Pumps

  • For clean liquids without abrasives, which are non-aggressive for the pump materials (solids content up to 0.2%).
  • For water supply.
  • For heating, air-conditioning, cooling and circulation plants.
  • For civil and industrial applications.
  • For fire fighting applications.
  • For irrigation.

Performance Specifications

Model kW Flow Head
NM 1/AE 0.37 70 l/m 22.8m
NM 2/B/A 0.55 80 l/m 27m
NM 2/S/A 0.55 80 l/m 31m
NM 2/A/A 0.75 100 l/m 33.5m
NMM 3/CE 1.1 80 l/m 38m
NM 3/CE 1.1 100 l/m 38m
NMM 3/BE 1.5 100 l/m 42.5m
NM 3/BE 1.5 140 l/m 48m
NM 3/AE 2.2 140 l/m 57m
NMD 20/110 B/A 0.45 60 l/m 35.2m
NMD 20/110 Z/A 0.55 70 l/m 39m
NMD 20/110 A/A 0.75 70 l/m 45.2m
NMDM 20/140 BE 1.1 60 l/m 53m
NMD 20/140 BE 1.1 80 l/m 54m
NMDM 20/140 AE 1.5 100 l/m 58m
NMD 20/140 AE 1.5 100 l/m 68m
NM 20/160 BE 0.75 110 l/m 31.5m
NM 20/160 AE 1.1 110 l/m 37m
NM 25/12 B/A 0.55 200 l/m 20.3m
NM 25/12 A/A 0.75 200 l/m 23.8m
NM 25/160 BE 1.1 160 l/m 32m
NM 25/160 AE 1.5 200 l/m 37m
NM 25/20 BE 2.2 200 l/m 43.5m
NM 25/20 AE 3 220 l/m 50.8m
NM 25/20 SE 4 280 l/m 59m
NMD 25/190 CE 2.2 140 l/m 66m
NMD 25/190 BE 3 160 l/m 77.5m
NMD 25/190 AE 4 160 l/m 102m
NM 10/FE 0.55 250 l/m 13.1m
NM 10/DE 0.75 250 l/m 18.5m
NM 10/AE 1.1 250 l/m 23.5m
NM 10/SE 1.5 400 l/m 24m
NMM 11/BE 1.5 280 l/m 27m
NM 11/BE 1.5 280 l/m 30m
NM 11/AE 2.2 280 l/m 36m
NM 12/DE 2.2 220 l/m 41m
NM 12/CE 3 280 l/m 46.5m
NM 12/AE 4 280 l/m 59m
NMD 32/210 DE 4 220 l/m 79.8m
NMD 32/210 CE 5.5 250 l/m 88m
NMD 32/210 BE 7.5 250 l/m 110m
NMD 32/210 AE 9.2 250 l/m 119m
NMD 40/180 DE 4 400 l/m 62m
NMD 40/180 CE 5.5 400 l/m 70m
NMD 40/180 BE 7.5 400 l/m 87.5m
NMD 40/180 AE 9.2 400 l/m 94m
NM 17/HE 1.1 900 l/m 10m
NM 17/GE 1.5 1000 l/m 12.5m
NM 17/FE 2.2 1100 l/m 16m
NM 17/DE 3 1100 l/m 18.3m

Dimensions & Weight

Model Dimension (HxWxL) Weight (kg)
NM 1/AE 212 x 158 x 261 mm 8.6
NM 2/B/A 245 x 177 x 305 mm 13.1
NM 2/S/A 245 x 177 x 305 mm 13.3
NM 2/A/A 245 x 177 x 305 mm 14.2
NMM 3/CE 292 x 223 x 375 mm 24
NM 3/CE 292 x 223 x 375 mm 22.9
NMM 3/BE 292 x 223 x 375 mm 26
NM 3/BE 292 x 223 x 375 mm 25.1
NM 3/AE 292 x 223 x 375 mm 26.1
NMD 20/110 B/A 227 x 186 x 325 mm 12.1
NMD 20/110 Z/A 227 x 186 x 325 mm 13
NMD 20/110 A/A 227 x 186 x 325 mm 14.2
NMDM 20/140 BE 264 x 220 x 417 mm 23.9
NMD 20/140 BE 264 x 220 x 417 mm 22.7
NMDM 20/140 AE 264 x 220 x 417 mm 25.2
NMD 20/140 AE 264 x 220 x 417 mm 24.8
NM 20/160 BE 250 x 204 x 375 mm 18.4
NM 20/160 AE 250 x 204 x 375 mm 19.7
NM 25/12 B/A 130 x 173 x 313 mm 12.3
NM 25/12 A/A 130 x 173 x 313 mm 13.3
NM 25/160 BE 260 x 204 x 380 mm 19.7
NM 25/160 AE 260 x 204 x 380 mm 21.5
NM 25/20 BE 305 x 250 x 393 mm 28.6
NM 25/20 AE 305 x 250 x 460 mm 37.9
NM 25/20 SE 305 x 250 x 460 mm 41.7
NMD 25/190 CE 320 x 266 x 447 mm 39
NMD 25/190 BE 320 x 266 x 500 mm 46.7
NMD 25/190 AE 320 x 266 x 500 mm 51
NM 10/FE 250 x 187 x 382 mm 18.5
NM 10/DE 250 x 187 x 382 mm 18.8
NM 10/AE 250 x 187 x 382 mm 19.3
NM 10/SE 250 x 187 x 382 mm 21.3
NMM 11/BE 282 x 213 x 400 mm 24.7
NM 11/BE 282 x 213 x 400 mm 24.1
NM 11/AE 282 x 213 x 400 mm 25.1
NM 12/DE 322 x 254 x 400 mm 30.5
NM 12/CE 322 x 254 x 470 mm 39
NM 12/AE 322 x 254 x 470 mm 43
NMD 32/210 DE 370 x 300 x 530 mm 60
NMD 32/210 CE 365 x 300 x 550 mm 70
NMD 32/210 BE 365 x 300 x 550 mm 76.5
NMD 32/210 AE 385 x 300 x 625 mm 99
NMD 40/180 DE 370 x 290 x 535 mm 59
NMD 40/180 CE 365 x 290 x 555 mm 69
NMD 40/180 BE 365 x 290 x 555 mm 75.5
NMD 40/180 AE 385 x 290 x 630 mm 97
NM 17/HE 272 x 209 x 417 mm 22.2
NM 17/GE 272 x 209 x 417 mm 23.2
NM 17/FE 272 x 209 x 417 mm 25.2
NM 17/DE 272 x 209 x 480 mm 33.2

Calpeda NM & NMD Close Coupled Centrifugal Pumps Performance Chart

Calpeda NM & NMD Close Coupled Centrifugal Pumps Performance Chart

What does this chart mean? See our blog post How to Understand a Pump Flow Curve.

Datasheet

Download the datasheet for the Calpeda NM & NMD Close Coupled Centrifugal Pumps

Calpeda NM & NMD Close Coupled Centrifugal Pumps Data Sheet