Horizontal Multistage Centrifugal Pumps


C.R.I.’s Horizontal Multistage Centrifugal Pumps (MH Series) are non self priming, axial suction and vertical radial delivery type threaded parts. All vital components like impellers, diffusers & shaft of these pumps are made of corrosion resistance 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. ‘O’ ring and gasket prevents leakage at the intermediate casing during high pressure. Mechanical seal of these pumps are made of ceramic and carbon graphite to ensure reliability and easy replacement.

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.


Power Range 0.37 HP – 3 HP
Speed 3450 rpm
Versions A.C. Single Phase – 230 V,
Permenent Split Capacitor (PSC)
Inbuilt Thermal Overload Protector
A.C. Three Phase – 380 V / 415 V
Type of Duty S1 (Continuous)
Degree of Protection IP 54
Class of Insulation B (Optional ‘F’)
Discharge Range 5 – 60 US gpm
Head Range 16 – 185 ft
Maximum Suction Lift 16 ft
Sealing type Mechanical Seal – Carbon Ceramic
Maximum Liquid Temperature 194º F
Maximum Ambient Temperature 104º F
Maximum Operating Pressure 5.5 bar / 80 PSi
Nominal Suction & Delivery Size 1″ x 1″, 1½” x 1¼”, 1½” x 1½” BSP / NPT


  • High operating efficiency
  • Precise parts for hygiene
  • Good suction lift and operating pressure
  • Dynamically balanced rotating parts
  • Balanced and rigid construction
  • Available M.O.C. Type S, L, N, B
  • Inbuilt thermal overload protector in all single phase pumps

Materials of Construction

Part Name Material
Motor Casing & Bracket CI / Casted SS
Impeller SS 304
Diffuser SS 304
Motor Frame Al
Shaft SS 304 / 410
Mechanical Seal Ceramic & Carbon
Base Plate MS


  • Residential & Industrial Pressure boosting
  • Small farms
  • Washing systems
  • Industrial water supply
  • HVAC
  • Reverse osmosis systems
  • Food processing industry
  • Golf Course


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