Blind Flange Stainless Steel Welding Flange (ZH-320) Shanghai Z&H Hardware Co., Ltd. Base Info Model NO.:ZH-320Standard:ANSI, GBType:Welding FlangeMaterial:Stainless SteelManufacturing Way:ForgingProduct Name:Stainless Steel FlangesModel Number:Zh-320Origin:Shanghai, China Description Pre:Inch Keep Nut K Nuts Toothed Washer Galvanized Lock Nut Next:Flange Alloy Steel Casting Flange Welding Flange (ZH-322)