Check Valve

Size：DN15–DN1200; NPS 1/2″–48″.

Pressure Rating：PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250, PN320, PN400; Class 150, 300, 600, 900, 1500, 2500; Class 800 available for small-bore forged steel valves.

Standards：Design and manufacture: API 594, API 602, ASME B16.34; API 6D for applicable pipeline valve designs; face-to-face/end-to-end dimensions: API 594 or ASME B16.10, depending on design; flanged ends: ASME B16.5, ASME B16.47.

Materials：Body and discWCB, WCC, A105, LF2, LCB, LCC, CF8, CF8M, CF3M, duplex stainless steel, ductile iron; sealing materials: metal, EPDM, NBR or FKM.

Inspection & Testing：Visual and dimensional inspection; hydrostatic shell testing; reverse-pressure seat leakage testing; disc movement checks; spring and assembly inspection where applicable; PMI and nondestructive testing as specified. 

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.