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Regenerative Monoset Pumps - ARM & ASM series

C.R.I. Regenerative monoset pump's volute chamber and impellers are designed to give the best possible hydraulic efficiency and suction lift characteristics. Sealing is by means of a bellows mechanical seal made of carbon and ceramic is fitted over the shaft, which is ground to close tolerance.

These pumps are power-driven by a totally enclosed fan cooled A.C. induction two-pole and four pole motor, suitable for continuous duty. Motor stator is made of low watt loss silicon steel laminations assembled under pressure and rigidly locked in the frame. Dynamically balanced rotor ensures vibration free and noise free operations and increase the life of the bearings and seal..

Features Specifications (MOC) Pump
  • Fitted with imported motor protector in two pole motors
  • Intended for wide voltage fluctuations
  • Sturdy and compact
  • Back pull out type in specific models.
Power 0.37kW – 0.75 kW (0.5HP& 1HP)  
Frequency / Speed 50 Hz / 1440 RPM
Versions Single phase, 200-240 V, 50 Hz, A.C Supply capacitor start and capacitor run (CSCR) and motor is  incorporated with thermal cutout relay ( motor protector)
Maximum flow rate 1.2 lps (4.3 M3 / Hr)
Maximum total head 45 mtrs
Maximum operating Pressure 4.5 bar
Degree of protection  IP 44
Class of Insulation 'A'
Direction of Rotation Clockwise viewed from driving end
Type of duty S1 (Continuous)
Sealing Mechanical Seal (Carbon & Ceramic)
Maximum suction lift in metre 8 (slow speed )& 3.5 (High Speed)
Maximum liquid temperature 33o c
Maximum Ambient Temperature 40o c
Nominal Pump size in inches (Suction x Delivery ) 1 &1

Material of Construction of Pump
Part Name Material
Pump Casing Cast Iron
Motor Frame Cast Iron / Mild Steel
Impeller Brass 
Shaft Stainless Steel
Sealing Mechanical Seal (Carbon & Ceramic)