详情
check valve, swing check valve, non return valve
Design & manufacture: API6D, ASME B*6.*4, BS***8,
API**4.
Face to face: ASME B*6.*0, API**4.
Flange ends: ASME B*6.5 for NPS≦*4", ASME B*6.*7/MSS SP**4 for
NPS>*4".
Butt-welding ends: ASME B*6.*5.
Test & inspection: API**8.
Class: **0Lb~***0Lb or PN*0~PN**0 or JIS *0K ~ JIS *0K.
Sizes: 2"~ *8" or DN*0~DN***0.
Materials: WCB, WC6, WC9, LCB, CF8/**4, CF8M/**6, CF3/**4L,
CF3M/**6L, CF8C/**7, S****3/***5, S****0/***7, CN7M/Alloy *0, **4L,
etc.
NACE MR ***5 on request. For **0Lb~***0Lb, pressure seal
bonnet is available.
