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Flap Valve Diaphragm Pump –Handling Big Size Solids Oct 29

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 for a rapid inspection)

In line maintenance without removing the pump from installation

Good abrasion resistance


Mud water handling at mining/construction site

Waste water handling at sewage plant, livestock farm and food factory.

Wastewater handling at petrochemical plant

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