阀体Body
灰铸铁、球墨铸铁、铸钢、304不锈钢、316不锈钢、316L不锈钢Cast Iron,Ductile Iron,Carbon Steel,Stainless Steel 304,Stainless Steel 316，Stainless Steel 316L
阀板Disc
球铁尼龙、球铁电镀、304不锈钢、316不锈钢、316L不锈钢、双相不锈钢、铝青铜Ductile Iron Coated by Nylon,Ductile Iron Coated by Nickel,Stainless Steel 304,Stainless Steel 316,Stainless Steel 316L,Duplex Stainless Steel,Aluminum Bronze
阀