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QBK/DBY Diaphragm Pump

Material quality:PVDF/PP/Stainless steel/Aluminium alloy/Cast iron
Performance parameter:Flow:0-62m³/h Head:0-60m
Power:1.5KW-22KW
Applicable media:Posion,flamable liquid
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      QBK PNEUMATIC DIAPHRAGM PUMP

      Product overview

  • Pneumatic diaphragm pump is a new type of pump equipment for conveying machinery, using compressed air as the power source, and can be used for all kinds of corrosive liquids. Pneumatic diaphragm pump according to different media currently have a variety of materials to choose from PP, PVDF, integral lining F46 fluorine plastic, stainless steel, aluminum alloy, cast iron. The diaphragm can be nitrile rubber, neoprene rubber, fluorine rubber, polytetrafluoroethylene, polyperfluorinated ethylene propylene, etc., 

  • To meet the needs of different users. Placed in a variety of special occasions, a variety of conventional pump can not be pumped media, have achieved satisfactory results. Because of the above characteristics of the pneumatic diaphragm pump, the pump has gradually invaded the market of other pumps since its birth, and occupies a part of it. Such as: painting, ceramics industry gas.

  • Diaphragm pumps have occupied an absolute dominant position, in some industries,

  • Such as environmental protection, wastewater treatment,construction, sewage, fine chemical industry 


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Working principle

The main working principle is motor drives the diaphragm on the left and right plunger through the reducer box for reciprocating movement, the upper and lower one-way ball valve is installed in the left and right pump chamber. The diaphragm moves causes the volume change in the working chamber, forcing the four one-way ball valves to alternately open and close, so as to continuously inhale and discharge the liquid. In recent years, as the electric diaphragm pump has made breakthrough progress in the diaphragm material, more and more industrialized countries have adopted the electric diaphragm pump, 

Used in petrochemical, ceramics, metallurgy and 

other industries, especially suitable for low head, high viscosity medium transport.


main use

  • a variety of highly toxic, flammable, volatile liquids.

  • pump paint, gum, pigment adhesive.

  • a variety of strong acids, strong alkalis, strong corrosive liquids.

  • all kinds of porcelain glaze, cement grouting, mortar, mud.

  • can transport high temperature medium (150℃).

  • all kinds of rubber latex, organic solvents, fillers.

  • as a variety of filter press before the pressure feeding device.

  • use the pump for the tanker barge clearance to absorb the sewage and remaining oil in the warehouse.

  • hot water recovery and circulation.

  • beer and baking powder dilute, syrup, molasses.

  • oil filling truck, oil depot, oil product handling.

  • pump sewage and sediment in mines, tunnels, sewers.

  • pump pickles, mashed potatoes, chocolate, etc.




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