Bronze Check Valve

Size: NPS 2" ~ 30", DN 50 ~ 750
Design and Manufacture: Cast steel check valve to BS 1868, ASME B16.34 and API 6D;
Forged steel check valve to API 602.  
Inspection and Test: API 598 or API 6D.
End flange dimension: ASME B16.5(for NPS¡Ü24);ASME B16.47 series B\
API 605 or ASME B16.47 series A\MSS SP-44(for NPS>24).
BW end dimension: ASME B16.25.
Socket-weld dimension: ASME B16.11.
Face to face and end to end: ASME B16.10.
Pressure-temperature ratings: ASME B16.34.
Wall thickness dimension: API 600 and BS 1868.