air operated double diaphragm pump

1. Self-priming 2. Longer diaphragm life 3.Can run dry without damage  Our Pneumatic diaphragm pump is different from most of other Chinese pump for well mannfactured, well seal and good dry suction.Four bolts connection with very round ball, well seal and good dry suction. The actual dry suction can reach to 4~7m.High roundness valve ball for use the ball mill machine.Three section manifold, Flexible installation and even can simultaneously convey two different liquids.Longer diaphragm life. Diaphragm material from Dopont, Exxon.Pilot type air valve, low maintenance, low air consumption, so the using cost is low.Wetted body: PPH, PVDF, SS304, SS316, Aluminum etc.Diaphragm: PTFE, Hytrel, Santoprene, Viton etc.

Model	Size	Max flow (m3/h)	Max head (m)	Max inlet air pressure (bar)	Suction lift (m)
QBY10	10mm	0.8	50	7	5
QBY15	15mm	1	50	7	5
QBY25	25mm	2.4	50	7	7
QBY40	40mm	8	50	7	7
QBY50	50mm	12	50	7	7
QBY65	65mm	16	50	7	7

QBY80

80mm

24

50

7

7

QBY100

100mm

30

50

7

7

We pay attention to details, control the raw material, keep the ball is very round for well seal, Strengthen the pump structure, produce good diaphragm for long service time.We treasure the opportunity to cooperate with you, weclome your inquiries, thanks. 

air operated double diaphragm pump