Main?parts?and?materials
Parts?Name Materials
Body、Bonnet Cast?iron?ASTM?A126?CL.?B
Disc Cast?iron?ASTM?A126?CL.?B+Bronze?B16/Stainless?Steel?2Cr13
Stem Brass?B16/Stainless?Steel?2Cr13
Seat?Ring Bron...China Yuanda Valve Group Co., Ltd
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