详细说明
Product Name: High Quality Plastic Butterfly Valve UPVC Wafer Handle Butterfly Valve Level UPVC Worm Gear Butterfly Valve for Water Supply DIN Standard Model NO.: 50A - 318A JIS Standard Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: DIN ASTM JIS Standard Valve Body: PVC Butterfly Valve Material of Seal Surface: Soft Sealed Working Temperature: Normal Temperature (-40