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

Application

Mud water handling at mining/construction site

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

Wastewater handling at petrochemical plant