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Stainless steel low-speed rotary pumps with flexible impeller; particularly suitable for transfer of delicate, fragile and viscous fluids, also with solid parts in suspension.

Our pumps are widely used in the OENOLOGICAL field (wine, must, must and stemmed grapes), in FOOD processing (beer, fruit pulp and juice, honey, liquid sugar, syrups, glucose, milk, melted butter, yoghurt, liquid eggs, oil, tomatoes pulp and juice , brine, etc.), in CHEMICAL INDUSTRY (starch, water based glues, emulsions, glycerine, wax, detergents, rubber latex, photographic processing liquids, polyelectrolyte, paints, ink, industrial discharges, etc.), in COSMETIC and PHARMACEUTICAL production (liquid soap, cleaning lotion, cream, shampoo, etc.).

Operating features and benefits

Pump principle - The flexible impeller vanes deform slightly to pump the liquid inside the pump and move it to the discharge port at a stedy flow rate.This principle combines gentle pumping with a high self-priming action.

  • Self-priming (automatic priming of the product up to 6 m even from dry start-up).
  • Reversible operation (the pump can operate in both rotation directions, which permits return of excess liquid without any manual intervention, and also allows easy emptyng of pipes on completion of liquid transfer).
  • Excellent priming action even at a low revolutions, which allows the transfer of soft and fragile fluids with viscosities up to 50.000 cp, or with solid particles in suspension, without causing air-locking, avoiding emulsifying or damaging particles.
  • Smooth steady pumping action of the product without pressure spikes (even flow rate ideal for filling, dosing or filtration).
  • The pump can work in all mounting positions.

The easy mounting principle, the multiple choice of production materials and the Quality System procedure applied throughout production, allow us to offer a wide, versatile and customized product range. Every pump range can be produced with different impeller types, mechanical gasket, couplings and in numerous executions, which are: bare shaft pump; coaxial motorized pump (with electric or orbital hydraulic motor); with gearmotor; with pulley (on trolley or base); with mechanical speed variator or with frequency converter.

Impeller features:
  • Natural rubber (NR) - Excellent for water based liquid at room temperature, highest mechanical resistance.
  • Neoprene (CR) - Good balance between chemical and mechanical resistance.
  • Nitrile (NBR) - Excellent resistance to oils and fats.
  • EPDM - Best for hot fluid and CIP cleaning. Excellent for acid and alkaline fluids.
  • Silicon (VMQ) - Best for high temperature but low mechanical resistance.

  • Flows: 0 up 72.000 litres/hour
  • Viscosities: up to 50.000 cp
  • Temperature of fluids: up to 100 °C
  • Maximum differential pressure: 4 bar
  • Couplings (DIN 11851, Garolla, BSP, Macon, Triclover,
    SMS, BSM/RJT).
  • Pump body: stainless steel AISI 304/316
  • Reversible mechanical seal (Stainless steel-
    Graphite-NBR, Tungsten carbide-NBR, Tungsten carbide-
    Viton, ecc.).



ҾҡȧҹʴԹصˡ෤աüԵ  ٻСúèѳ Propak Asia 2018
New Model Direct-drive Oil Sealed Rotary Vacuum Pump SGH Series
Union Tech Engineering Co.,Ltd. : 84 Leabklonsong Rd. Bangchan, Klongsamwa, Bangkok 10510 THAILAND
Tel: +662 907-3530(Auto), Fax: +662 907-3531
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