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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: YONJOU
  • Model Number: QBY
  • Theory: pneumatic diaphragm pump
  • Structure: pneumatic diaphragm pump
  • Usage: Air Pump
  • Power: Pneumatic
  • Standard or Nonstandard: Standard
  • Fuel: Air
  • Pressure: Max. 7 bar
  • Application: chemical liquid, paint
  • Product name:: pneumatic water pump
  • Size: 3/8", 1/2", 1", 1.5", 2", 2.5", 3", 4"
  • Flow: 0~50 m3/h
  • Self-priming Fuction: Yes
  • Casing Material: Cast Iron, SS304, Plastic, PVDF, PTFE Lining
  • Diaphragm Material: NBR, PTFE, F46
  • Main Applications: Food, Slurry, Chemical, Oil
  • Certificate: ISO9001:2008, CE
  • Package: Carton or Plywood Case
  • Warranty: 1 Year Warranty(except Wearing Parts)

Packaging & Delivery

Packaging Details exported plywood case or carton per AODDP stainless steel cast iron PVDF PTFE Telfon acid pump, Aluminum air diaphragm pump cast iron pneumatic water pump
Delivery Time 7 days from receiving payment (according to your order quantity)


Product Description



1.QBY Engineering Plastics Diaphragm Pump  is a positive displacement pump, adopting compress air, smoke and industry exhaust gas as power source.

2. It 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.

3. QBY air operated double diaphragm pumps can not only transfer the flow liquid, but also can transfer some uneasy flowed medium, with the merits of self-priming pump, diving pump, shield pump, slurry pump and impurity pump etc.




Product details:

Working Principle:Double Diaphragms, Pneumatic
Main applications:       Oil, Water, Chemical, etc.
Driver:Air Operated
Max.permissible fluid temperature:150°C(302°F)
Type of connection:Flange, Thread, Quick coupled
Installation position:Connect to compressor
Casing parts material:C.I, S.S, PP, Aluminium, PVDF, PTFE linning
Maximum grain diameter:10mm (3/8inch)
Maximum drive rating: 7kgf/cm2
Maximum caliber:  100mm(4inch)
Maximum discharge-side pressure:6kgf/cm2
Maximum head:50m(164ft)
Flow rate range:  0.8-30m3/h(3.5-132US.GPM)





Performance Data: 









Head (m)


Grain Dia.



Pressure (Kgf/cm2)








Packaging & Shipping




Company Information



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China (Mainland) | Manufacturer, Trading Company
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7 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $122,000
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