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Horizontal multistage stainless steel centrifugal pump

CM

Light horizontal multistage centrifugal pumps, CM

Non-self-priming stainless-steel horizontal multistage pumps with a long-shaft motor. Compact, axial inlet and radial outlet, with most parts stamped from stainless steel. Flow-passage material is stainless 304 or 316L; working pressure up to 10 bar.

  • Stainless steel 304 or 316L flow passages
  • Up to 10 bar working pressure
  • Axial inlet, radial outlet, threaded ports
  • HVAC, cooling, cleaning, aquaculture, metering
View 23 models Find a pump
CMCNP-S-000090
Flow
0.5–29 m³/h
Head
up to 56 m
Power
0.37–4 kW
Mains
50 Hz
Models
23
Liquid temp.
-15 to +70 °C (normal type); hot-water type -15 to +105 °C

Sizes

SizeDescriptionRated flowFlow rangeMax pressureMotorConnectionModels
CM2 Light horizontal multistage centrifugal pump 0.6 m³/h 0.5–3.5 m³/h 10 bar 0.37–0.75 kW Thread G1 / G1 5
CM4 Light horizontal multistage centrifugal pump 1.1 m³/h 1–7 m³/h 10 bar 0.37–1.1 kW Thread Inlet G1¼ / outlet G1 5
CM10 Light horizontal multistage centrifugal pump 2.8 m³/h 5–14 m³/h 10 bar 0.75–2.2 kW Thread G1½ / G1½ 5
CM15 Light horizontal multistage centrifugal pump 4.2 m³/h 8–24 m³/h 10 bar 1.1–4 kW Thread G2 / G2 4
CM20 Light horizontal multistage centrifugal pump 5.6 m³/h 10–29 m³/h 10 bar 1.1–4 kW Thread G2 / G2 4

Models

Filter by duty point, mains frequency or size. Click a model for its performance curve and data.

Model table (PDF)
ModelSizeStagesHzMotor kWFlow m³/hHead mrpmkg
CM2-2 CM2250 0.37 0.5–3.5 7.5–19 29007 CurvePDF
CM2-3 CM2350 0.37 0.5–3.5 12–28 29007 CurvePDF
CM2-4 CM2450 0.55 0.5–3.5 16–36 29009 CurvePDF
CM2-5 CM2550 0.55 0.5–3.5 20.5–45.5 29009.5 CurvePDF
CM2-6 CM2650 0.75 0.5–3.5 24–53.5 290010 CurvePDF
CM4-2 CM4250 0.37 1–7 8–19 29007 CurvePDF
CM4-3 CM4350 0.55 1–7 13–28 29009 CurvePDF
CM4-4 CM4450 0.75 1–7 19–37.5 290010 CurvePDF
CM4-5 CM4550 1.1 1–7 23–47 290013 CurvePDF
CM4-6 CM4650 1.1 1–7 28–56 290013 CurvePDF
CM10-1 CM10150 0.75 5–14 4.5–10.2 290011.5 CurvePDF
CM10-2 CM10250 0.75 5–14 9.5–21 290011.5 CurvePDF
CM10-3 CM10350 1.1 5–14 16.5–31.5 290014 CurvePDF
CM10-4 CM10450 1.5 5–14 22–42 290018 CurvePDF
CM10-5 CM10550 2.2 5–14 28–52.5 290021 CurvePDF
CM15-1 CM15150 1.1 8–24 6.5–12.2 290013.5 CurvePDF
CM15-2 CM15250 2.2 8–24 13.5–24.5 290019.5 CurvePDF
CM15-3 CM15350 3 8–24 21–37.5 290027 CurvePDF
CM15-4 CM15450 4 8–24 28.5–50.5 290035.5 CurvePDF
CM20-1 CM20150 1.1 10–29 7–12.5 290013.5 CurvePDF
CM20-2 CM20250 2.2 10–29 14.5–25.5 290019.5 CurvePDF
CM20-3 CM20350 3 10–29 23.5–39.5 290028.5 CurvePDF
CM20-4 CM20450 4 10–29 31.5–52.5 290037 CurvePDF

Performance range

Every model of the CM range on one chart: each line is the performance curve of one model. Click a line or dot to open that model with its full data.

  • CM2
  • CM4
  • CM10
  • CM15
  • CM20
0.512510205102050Flow (m³/h)Head (m)CM2-2 · 50 HzCM2-3 · 50 HzCM2-4 · 50 HzCM2-5 · 50 HzCM2-6 · 50 HzCM4-2 · 50 HzCM4-3 · 50 HzCM4-4 · 50 HzCM4-5 · 50 HzCM4-6 · 50 HzCM10-1 · 50 HzCM10-2 · 50 HzCM10-3 · 50 HzCM10-4 · 50 HzCM10-5 · 50 HzCM15-1 · 50 HzCM15-2 · 50 HzCM15-3 · 50 HzCM15-4 · 50 HzCM20-1 · 50 HzCM20-2 · 50 HzCM20-3 · 50 HzCM20-4 · 50 Hz

Logarithmic scales. Published catalogue data for clean water; the correct model for your duty is confirmed by our engineers.

Dimensions & weight

Net weight and the main dimensions of each model, in millimetres, from the catalogue. Open a model for the labelled dimension drawing.

ModelHzWeight (kg)LL1L2L3hHE
CM2-25073091261368367149162
CM2-350732714413610167149162
CM2-450935015615012075157180
CM2-5509.536817415013875157180
CM2-6501038619215015675157180
CM4-25073181351369267149162
CM4-350934915515011975157180
CM4-4501037618215014675157180
CM4-5501342421016017485167195
CM4-6501345123716020185167195
CM10-15011.536217115011785193190
CM10-25011.536217115011785193190
CM10-35014410218136147100208210
CM10-45018464269140177100208214
CM10-55021504287200207100208221
CM15-15013.5408216136138100208210
CM15-25019.5442225200138100208221
CM15-35027551282180183100208232
CM15-45035.5607346180228112220262
CM20-15013.5408216136138100208210
CM20-25019.5442225200138100208221
CM20-35028.5551282180183100208232
CM20-45037607346180228112220262

Spare parts for CM

Parts list of the series with the material of each part. To order, send the model code and the part you need.

Parts list (PDF) Request spare parts quote
No.PartMaterialStandardApplies to
1Inlet chamberStainless steelAISI304 All sizes
2NutStainless steelAISI304 All sizes
3BearingTungsten carbide— CM2, CM4
3InducerStainless steelAISI304 CM10, CM15, CM20
4ImpellerStainless steelAISI304 All sizes
5ShaftStainless steelAISI304 All sizes
6Outlet chamberStainless steelAISI304 All sizes
7Mechanical seal—— All sizes
8Motor—— All sizes
9Base plateSteel plateAISI1015 All sizes
10Stay bolt—— All sizes
11Last stage diffuserStainless steelAISI304 CM2, CM4, CM15, CM20
12Impeller sleeveStainless steelAISI304 All sizes
13DiffuserStainless steelAISI304 All sizes
14Supporting diffuserStainless steelAISI304 CM2, CM4

Technical data

Liquid temperature

  • -15 to +70 °C (normal type); hot-water type -15 to +105 °C

Ambient conditions

  • Up to +40 °C

Motor

  • TEFC 2-pole motor, IP55, insulation class F; standard power 50 Hz: 1×220 V or 3×220/380 V

Supply voltage

  • 1 x 220 V
  • 3 x 220/380 V

Typical applications

  • HVAC system
  • Cooling system
  • Industrial cleaning
  • Water purification
  • Aquaculture
  • Fertilization / metering system
  • Environmental application

Pumped liquid

  • Thin, clean, non-flammable, non-explosive liquid, free of solids and fibres, physically and chemically water-like. Flow-passage material stainless steel 304 or 316L. Maximum working pressure 10 bar.

Data basis

  • 50 Hz, 2900 rpm, 20 °C air-free water, kinematic viscosity 1 mm²/s; curve tolerance ISO 9906:2012 Grade 3B

Performance values are taken from the published CNP catalogue data. Our engineers confirm the final selection for your liquid, temperature, supply and site before quoting.

Other horizontal multistage pumps

CHL / CHLK

Horizontal multistage stainless steel centrifugal pump

  • Flow 0.5–32 m³/h
  • Head up to 88 m
  • 0.37–5.5 kW
View series

CHLF(T)

Horizontal multistage stainless steel centrifugal pump

  • Flow 0.5–32 m³/h
  • Head up to 88 m
  • 0.37–7.5 kW
View series

CHM

Horizontal multistage stainless steel centrifugal pump

  • Flow 0.5–29 m³/h
  • Head up to 96 m
  • 0.37–7.5 kW
View series

Need a pump or a spare part?

Send us the flow and head you need, or the model code and nameplate details of the pump you are repairing. Our team replies with a quotation.

Request a Quotation +92 345 9547419