详细说明
Product Name: High Quality Plastic Butterfly Valve UPVC Wafer Butterfly Valve Level UPVC Worm Gear Butterfly Valves for Water Supply DIN ASTM JIS Standard Pn10 Model NO.: DIN Standard DN50 - DN300 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