Double Membrane Wilden Chemical Diaphragm Pump also named double membrane diaphragm pump.

We have all kinds of material of this pump: cast iron, stainless steel, enginering plastic ,  aluminum metal alloy according to your demand.
 
QBY air operated diaphragm pumps

QBY pump has two diaphragms, the compressed air come to the pump body to drive the pump in the constant action of sucking and releasing, so it can pump the liquids easily by this principle. Also it is very safe in dangerous environment since it has no electric motor.

As to the picture, we design the pump stent, to make the pump looks more fashionable and applicable. WE ARE THE ONLY ONE WHO NOW SELLING THE QBY PUMP TEAM.  It is a pump team which is a new product in china and it is very popular with our customers from all the worlds. We now present clients some stents for buyers recently till 1st, july, 2008.

Max solids can pass:10mm.(according to different types)

Capacity:0.8-40m3/h,  head: can reach 50 meters.(as per water) (special demand can be negotiated)