MAIN PARTS AND MATERIALS 主要零件材料
阀体Body 阀盖Bonnet:铸铁Cast iron ASTM A 126CL.B
阀板Disc:铸铁Cast iron ASTM A126 CL.B+青铜Bronze B62/黄铜Brass16/不锈钢Stainless steel2Cr13
阀杆Stem:黄铜Brass B16/不锈钢Stainless steel2Cr13
阀座Seat Ring:青铜Bronze B62/黄铜Brass B16/不锈钢Stainless steel2Cr13

