Diaphragm Valve

Size:DN15–DN300; NPS 1/2″–12″.

Pressure Rating:Common ratings: PN6, PN10, PN16; Class 150 flange-compatible designs available. Actual allowable working pressure depends on diaphragm material, lining and operating temperature.

Standards:Design and manufacture: EN 13397; face-to-face dimensions: EN 558; flanged ends: EN 1092 series or ASME B16.5; pressure and leakage testing according to the applicable product standard and project requirements.

Materials:Body: grey cast iron, ductile iron, WCB, CF8, CF8M, CF3M; lining: rubber, PTFE, PFA and other specified materials; diaphragm: EPDM, NBR, FKM, PTFE composite and other specified materials.

Inspection & Testing:Visual and dimensional inspection; shell pressure testing; seat leakage testing; diaphragm assembly and operational checks; lining integrity inspection; spark testing of suitable linings as specified; actuator functional and fail-position testing for pneumatically operated valves. 

Applications: Water Treatment; Power Plant Equipment; Chemical Engineering; Shipbuilding; Nuclear Power; Waste Treatment; Natural Gas; Petroleum

Note: We can manufacture customized products according to customer requirements.