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Product Description Check valve
Size: 1/2"(DN15)-42"(DN1050)
Pressure: 150LB-2500LB / PN16- PN320
Material: A105, F11, F22, F51, F91, LF2, LF3, WCB, WCC, WC6, WC9, C5, C12, C12A, LCB, LCC, LC1, LC3, CF8, CF8M, CF3, CF3M, CF8C
Medium: Water, oil, gas, steam
Standards:
Design and Manufacture: Cast steel check valve to BS 1868, ASME B 16.34 and API 6D; Forged steel check valve to API 602'
Inspection and Test: API 598 or API 6D
End flange dimension: ASME B 16.5(for NPS= 24); ASME B 16.47 series B, API 605 or ASME b 16.47 series A, MSS SP-44(for NPS bigger than 24)
BW end dimension: ASME B 16.25
Socket-weld dimension: ASME B 16.11
Face to face and end to end: ASME B16.10
Pressure-temperature ratings: ASME B 16.34
Wall thickness dimension: API 600 and BS 1868
