QBK double diaphragm pump/ air operation way diaphragm pump/ made in China is the third generation of pneumatic diaphragm pumps developed by our company. With a long service life and will not stop. It not only pumping the liquid flow, but also transfer some of the not easy flow medium. With self-priming pump, submersible pump , shield pump, slurry pump and impurity pump's advantages. Widely used in petroleum, chemical industry

Pneumatic Diaphragm Pump Application

All kinds of toxic, flammable, volatile liquid.

Various alkali, acid, strong corrosive liquid.

Can be 150 degrees of heat transfer medium.

As a filter press before the class to send press device.

Oil trucks, oil depots, oil loading and unloading.

Hot water recovered and recycled.

Pump-priming pickles, jam, mashed potatoes, chocolate, syrup honey syrup and other food industry.

Paints, rubber, pigment bonder.

Porcelain slurry, water, mud, mortar, mud.

Mines, tunnels, tunnels, sewers and other sewage

Pneumatic Diaphragm Pump Technical Data

Flow rate: up to 3747 m³/h

Head: up to 6 m

Temperature: max 105 degrees

Casing pressure: up to 0.84 MPa

Shaft seal: mechanical sealing

Material: cast iron, stainless steel, duplex

Model  Parameters

Pneumatic Diaphragm Pump Data Sheet