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  Rotary Progressive Cavity Screw Pump     Series AM / BM
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  402, Nandan Complex,
Opp. Railway Crossing,
Mithakhali, Ahmedabad - 380006.
Gujarat (INDIA)
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Screw Pumps / Rotary Progressive Cavity Screw Pump Series AM / BM




The AM / BM - Series Positive Displacement Progressive Cavity Screw Pumps has unique pumping principle applied employs a highly precision manufactured Metallic Single helical rotor turning inside a double internal helical resilient stator. Thereby forming cavities confined by a “Sealing Line” which is maintained at stand still and during rotation. While the rotor rotates in the stator, the cavity formed between them progresses form suction to delivery side, gently carrying the medium.

Standard AM series pumps are made of with cast iron casting. All the rotating parts including the rotor are made of Ni-cr or Stainless Steel. For abrasive applications Tool steel hardened and Hard Chrome plated Rotor is used. Shaft sealing is ensured by soft gland packing or mechanical Seal as desired. Stores are usually of  Natural or Nitrile Polymer, but to suit the mediums, EPDM, Hypalon, Silicon are also used.

The Standard BM series pumps have wettable pump housing and rotating parts of SS304/SS316. For Special application of highly corrosive fluids Ebonite /FRP Lined housing parts are used, while rotating parts made of Haste-alloy, Alloy 20 or other Super Alloys. Both AM & BM pump series pumps are supplied with I.S.O. suction and delivery connection. Alternately pumps can also be supplied with B.S., DIN or special connections to suit the specific requirements.

    • Good self priming properties even with air or gas inclusion in the liquid up to 8.5 MWC.
    • Handles solids in suspension or mixture containing high percentage of solids. Bigger size pumps up to 40  mm dia.
    • Steady and smooth flow with little pulsation makes it suitable for dosing and metering duties.
    • Direction of the flow through the pump is reversible by merely changing direction of rotation of the prime mover.
    • The pressure head is independent of speed and capacity is proportional to speed.
    • Gate and check valves are not necessary.
    • The metal bonded high precision molded stator ensures, high efficiency pressure and increased life.


It is suitable for dosing and metering duties because of its sturdy and smooth flow with slight pulsation. Stator is metal bonded, guarantees high efficiency, pressure and improved life.

Technical Details

  • Capacity: 150 Cu.M/Hr
  • Head: up to 240 meters ( 24 kg/cm2 )
  • Temperature: Up to 200 Deg C
  • Viscosity: Up to 5,00,000 CST
Solids Handling Capacity: Up to 40 mm
                    INDUSTRIES                             FLUIDS HANDLED
      • BREWERY                               ACIDS                                                  MAGMA
      • CERAMICS                              ACRYLIC EMULSION                        MOLASSES
      • CHEMICAL                              ALKALINE SLURRY                           OIL SLURRY
      • CONSTRUCTION                  AL HYDROXIDE GEL                         PAINT
      • COSMETIC                             CARBONATED BEWERAGE            PAPER ULP
      • DETERGENT                         CHEMICAL SLURRY                         PRINTING COLOUR
      • DISTILLERY                            CERAMIC SLURRY                          PRECIPIATED CALCIUM
      • DYESTUFF                              COATING MIX                                    CARBONATE
      • EFFLUENT                              DOMESTIC EFFLUENT                   RESIN
      • EDIBLE OIL                             DETERGENT SLURRY                   RICE BRAN OIL
      • FERTILIZER                            DYESTUFF                                        SOAP SOLUTION
      • MARINE                                   EMULSION                                         SIZING PASTE
      • PHARMACEUTICALS          EXPLOSIVE SLURRY                        SOLVENTS
      • PAPER                                    INSTANT TEA                                     SUGER JUICE
      • PAINT                                      FLORAL CONCRETE                       TRIBASIC LEAD
      • SWEAGE TREATMENT        LATEX                                                 SULPHATE
      • SOAP                                      LIME SLURRY                                   VEGETABLE OIL
      • SUGER                                   LUBE OIL                                           VISCOSE
      • TEXTILES ETC.                      LUBRICATING OIL                           YEAST ETC.
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