Features:
1) Standards:
a) Design and manufacture:
i) Cast steel check valve: BS1868, ASME B16.34 and API 6D
ii) Forged steel check valve: API602
b) Inspection and test: API598 or API 6D
c) End flange dimension:
i) ASME B16.5 (for NPS≤24)
ii) ASME B 16.47 Series B, API 605 or ASME B16.47 Series A, MSS SP-44
(for NPS>24)
d) BW and dimension: ASME B 16.25
e) Socket-weld dimension: ASME B16.11
f) Face to face and end to end: ASME B 16.34
g) Wall thickness dimension: API600 and BS1868
2) Material: A216 WCB, A105, WC6, WC9, 304, 316

Packing: wooden case