API Forged Steel Trunnion Type Ball Valve
Main?parts?and?materials:
Parts?name material
Body、Bonnet A150;A182-F316;A350-LF2
Stem? A276-304;A276-316
Seat?? A105+ENP;A182-F316;A350-LF2+ENP
Ball? A182-F...China Yuanda Valve Group Co., Ltd
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