上海首江減壓閥系列:|上海首江蒸汽減壓閥|上海首江空氣減壓閥|上海首江支管減壓閥|上海首江減壓穩(wěn)壓閥|上海首江杠桿式減壓閥|上海首江比例式減壓閥|減壓閥廠|上海減壓閥廠|不銹鋼減壓閥|減壓閥|不銹鋼減壓閥|蒸汽減壓閥|法蘭減壓閥|螺紋減壓閥|空氣減壓閥|支管減壓閥|杠桿式減壓閥|比例式減壓閥|煤氣減壓閥|氣體減壓閥|紋管式減壓閥|高靈敏度蒸氣減壓閥|鑄鋼減壓閥|氨氣減壓閥|氧氣減壓閥|可調(diào)式減壓閥|減壓閥原理|減壓閥工作原理|銅減壓閥|水力控制閥|不銹鋼水力控制閥|水利減壓閥|泄壓減壓閥|氮氣減壓閥|減溫減壓閥|薄膜減壓閥|組合式減壓閥|英國斯派莎克減壓閥|進口減壓閥|上海減壓閥進口代理商|上海不銹鋼減壓閥|上海減壓閥|彈簧活塞式減壓閥|煤氣減壓閥|英國斯派莎克spirax sarcoDP17導閥型隔膜式減壓閥英國斯派莎克spirax sarco25P減壓閥上海首江活塞式減壓閥等。閥門規(guī)格:DN15-DN500。壓力:1.0-2.5Mpa 。標準:國標GB、美標ANSI。閥門材質(zhì)有:鑄鐵、鋁合金、不銹鋼低溫用碳鋼、鉻鎳鉬不銹鋼、鉻鎳不銹鋼、鉻鎳超低不銹鋼、鉻鎳鉬超低不銹鋼、鑄鋼、碳鋼、鍛鋼A105、304、