When fully opened, the Valve allows straight passage to working fluid with negligible pressure drop. Its diaphragm can be changed by just opening the bonnet assembly without disturbing the Pipeline and Valve Body. Corrosion is totally prevented by isolation of working mechanism from the service fluid. They are available in size range from 1" to 8" with different grades of rubber lining and rubber diaphragms of different grades & materials to suit various chemicals and service fluids.
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