详细说明
Product Name: High Quality Wafer PVC Worm Gear Butterfly Valve DIN JIS ANSI Standard Model NO.: DIN ANSI JIS Standard DN50-DN300 ( 2"-- 12" ). Application: Industrial Usage, Water Industrial Usage, Household Usage Standard: DIN ANSI JIS Standard Valve Body: Injection Material of Seal Surface: Soft Sealed Working Temperature: Normal Temperature (-40