Rui'an Feiya Mechanical & Electrical Equipment Co., Ltd.
 Electrical Equipment & Supplies > Electric Power Tools >  QDM902 Pneumatic Diaphragm Pump

QDM902 Pneumatic Diaphragm Pump

Brand Name:
Model Number:
Air Pump
Diaphragm Pump
conveyance fluid
QDM902 Pneumatic Diaphragm Pump
Detailed Description

Diaphragm Pump Working pressure :0.25-0.6Mpa
Maximum transmission viscosity: 1000 centipoise
Biggest suction: six meters




Diaphragm Pump Technical parameters:

Type: QDM902

Working pressure :0.250.6Mpa

Maximum transmission viscosity: 1000 centipoise

Medium import and export connection thread: G1/ 2

The intake connecting thread: G1 1/2 "or G1 1/4"

Biggest suction: six meters

Single-phase pneumatic diaphragm pumps is professionally applied for printing machinery.


Operating principle:

1.This product uses compressed air as a driving force, through the needle valve to regulate the air conditioning, to make diaphragm generated movement for the purpose of transmission fluid.

2. no spark, suitable for explosion-proof places.

3. Low gas consumption, medium flow process stepless speed regulation

through the compressed air.

4. Diaphragm uses corrosion resistant material, can convey various corrosive medium.

5. Low failure rate, easy installation and convenient maintenance.

6. The pump shell adopts the high quality alloy materials, interior parts adopt stainless steel and copper, to guarantee the advantage of light weight, elegant appearance, not rust, corrosion resistance, etc.

7.The product is suitable to ink, ethanol, toluene, acetone, glue, coating, acid and alkali, etc


Installation method and the matters needing attention:

1. the pump must be installed vertically, pay attention to the direction of arrow

2.The ink mouth should connection with hose.

3. after the completion of the work, it need water or other decompose media to wash pumps, cleaning should process in operating condition.



When replace diaphragm, please place the pump body to drill press and other equipment, then unloaded the six M5 hex screws, lesting the spring jumped out.


we are an exporter including Pump.we can send good service for all of our customers all the world!We have sufficient experience and high responsibility,welcome to send us your sample and we can provide with you what you want.We promise timely delivery, short lead time and good after sell service.We are sincerely looking for your cooperation!

Company information:
    Rui'an Feiya Mechanical & Electrical Equipment Co., Ltd. was established in 1995 . We is an exporter of China (Mainland) Blowers products.    Our products have been sold well in Africa Mid East Eastern Asia! We are here to promise our prestige and best quality!    To pursue high quality and meet customers' demands are our perpetual promises. We sincerely invite you as our good friends to visit us.Please visit our website at!
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Send Inquiry to this Supplier
Rui'an Feiya Mechanical & Electrical Equipment Co., Ltd.
Mr. BaiRen Xiang
Ruian City, Zhejiang Industrial Zone Port

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