Pneumatic diaphragm valves are often used in acid, chlorine, flue gas desulfurization, lime slurry, dust, slurry, phosphate fertilizer, anhydrous ammonia, high purity water, chemical and other fields.

Design features

Direct action or reaction diaphragm valve
Applicable to all kinds of weir type and direct valve for production of HANOVER
Wear parts are limited to nylon to enhance the butyronitrile rubber diaphragm and butyronitrile rubber o-ring
Minimal maintenance can maintain long service life
There are three modes of operation: fault time, failure time and two-way operation
Steel hot pressing housing
Emergency manual operation of the top loading handwheel
Adjustable open stop actuator and adjustable stroke stop
The artificial substitute device, position marker and yoke equipment meet various technological requirements

Product range

Size: DN15 ~ 350 (1/4 "to 14")
Stress level: 150LB
Maximum working temperature: PP, PFA
Diaphragm: PTFE, FPM