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CRI MHS Horizontal Multistage Pump


C.R.I. Horizontal Multistage MH series pump is non-self priming, axial suction and vertical radial delivery type with threaded ports

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CRI MHS Horizontal Multistage Pump

C.R.I. Horizontal Multistage MH series pump is non-self priming, axial suction and vertical radial delivery type with threaded ports.

All wetted components like impellers, diffusers and shaft of these pumps are made of corrosion resistant AISI stainless steel and designed to deliver the best possible hydraulic efficiency. The pump and motor are connected with a single drive shaft to eliminate any transmission loss.

As the shaft, Impeller, diffusers and other vital components of the pump are made up of high grade stainless Steel AISI 304/316, these pumps can be used to pump high aggressive water and quite hygienic to use in drinking water systems too.

Wear resistant bearings ensure better hydraulic efficiency and noiseless operation and the pump casing & brackets are made of high quality cast iron. ‘O’ rings and gaskets prevent leakage at the intermediate casing during high pressure.

These pumps are powered by a totally enclosed fan cooled. A.C. induction motor, suitable for continuous Duty. Motor stator is made of low watt loss steel lamination assembled under pressure and rigidly locked in the frame.

Dynamically balanced rotor ensures vibration and noise free operation and the varnished impregnated winding made of enamelled copper wire offer excellent resistance. Thermal over load protector is incorporated in all single phase motors.

Mechanical seals of these pumps are made of ceramic and carbon graphite to ensure reliability and easy replacement. These pumps are reliable, easy to install and designed for high end user comfort.

Shaft of ample size made of quality steel and precisely ground is used for transmitting the rated Horsepower.

Construction of motor frames and usage of quality materials result in high performance and low temperature rise thereby increasing the life cycle of the motor.

Thermal over load protector (motor protector) is incorporated in single phase motors. These pumps require an adequate motor protection control panel.



  • Residential & Industrial Pressure Boosting
  • Small farms
  • Washing systems
  • Industrial water supply
  • HVAC
  • Reverse Osmosis systems
  • Food processing industries
  • Golf course.


Technical Data

  • Power Range: 0.22 to 2.2kW
  • Speed: 2900 rpm
  • Degree of protection: IP 54
  • Insulation class: B (Optional F)
  • Versions: Single Phase 220 / 240V, 50Hz, A.C. Supply (Permanent Split Capacitor-PSC) Incorporated with thermal protector. Three Phase 380 / 415V
  • Sealing: Mechanical seal
  • Direction of rotation: Counter clockwise viewed from driving end
  • Type of Duty: S1 (continuous)
  • Suc. x Del. Size : 1″ x 1″ ; 1½” x 1¼”, 1½” x 1½”


Materials of Construction

  • Pump Casing & Bracket: S.S. 304 / Cast Iron
  • Impeller: S. 304
  • Diffuser: S.S. 304
  • Motor Frame: Aluminium
  • Shaft: S.S. 410
  • Sealing: Mechanical Seal
  • Base Plate: Mild Steel


Operating Limits

  • Maximum Liquid Temperature: 90 C
  • Maximum Ambient Temperature: 40 C
  • Maximum Operating Pressure: 0.55 Mpa (5.5 bar)
  • Inlet pressure: As per NPSH Curve Safety Margin 1metre.
  • Inlet pressure: Limited by max. Operating pressure.

Additional information

Weight N/A
Dimensions N/A

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