The diaphragm pump inlet & outlet direction can make in the middle or side port as customer’s demand. The inlet &outlet flange meet ANSI standard, whatever your pipeline had been installed or not, you can choose the suitable type as required with easy installation.  

With Good Sectional Type Structure & Self Priming Function The air membrane pump with sectional type structure ,can be used for conveying two different liquid by double diaphragm.   The air diaphragm pump has the function of self priming without rotating parts. It can achieve dry priming and wet priming, which self -priming height is 5m and 8m respectively. Our pump can be used direc...

Defu’s Flap valve Air Operated Diaphragm Pump is designed to support passage of solids up to 40mm in diameter. Designed for durability in the field. •Top-suction / bottom-discharge design to easily handling of solid parts: the gravity force helps to keep clean the flap valves •Self priming and dry run ability without damage •Easy access to the flap valve (bolted cover valve fo...

Without electricity, explosion-proof, can convey flammable fluid. No dynamic seals, even dry running without damage to the pump. No impeller, low shear, will not damage the material structure of fluid. Submersible, mobile, flexible installation, easy maintenance. Can convey high-thick, high-viscosity fluid. Can convey acid, alkali, strong organic solvents and other fluid. Changing the inlet air an...

Pre-sales Service: According to your requirement, we will give you our profession advice of pump solution. Please advise your specific pumping medium, flow rate or size etc. On-sales Service: We will clearly show you everything in fact when you place an order with us. We will takes photos or videos to show you our production situation. After-sales Service: We will full report y...