Butterfly Valve

Size:DN50–DN3000; NPS 2″–120″.

Pressure Rating:Common ratings: PN6, PN10, PN16, PN25, PN40; PN63 and PN100 available for selected high-pressure metal-seated designs; common Class ratings: 150, 300, 600, depending on design.

Standards:Design and manufacture: API 609; ASME B16.34 where applicable; face-to-face dimensions: API 609, ASME B16.10 or EN 558; flange compatibility: ASME B16.5, ASME B16.47 or EN 1092 series.

Materials:Body: ductile iron, WCB, CF8, CF8M, duplex stainless steel; disc: ductile iron, stainless steel, duplex stainless steel; seats: EPDM, NBR, FKM, PTFE, laminated metal seals or solid metal seals.

Inspection & Testing:Visual and dimensional inspection; hydrostatic shell testing; seat leakage testing; operational and torque checks; actuator functional testing; seat testing in both directions for bidirectional designs; PMI, nondestructive testing and fire 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.