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300H升降式消聲止回閥的簡單介紹300H升降式消聲止回閥300H升降式消聲止回閥的詳細信息商品名稱: 300H升降式消聲止回閥 商品編號: 300H1 型號:300H升降式消聲止回閥 規(guī)格:DN50~DN300 溫度:-20℃~135℃ 壓力:1.0MPa~1.6MPa 閥體材質:灰鑄鐵、球墨鑄鐵 閥瓣材質:灰鑄鐵、球墨鑄鐵 導向架、導向軸材質:不銹鋼 閥座材質:NBR、EPDM 軸、彈簧材質:不銹鋼 Type: 300H Lifting Noise-eliminating Check Valve(Waterproof Hammer) Specification: DN50 -300 Temperature: -20℃ - 135 ℃ Pressure: 1.0MPa-1.6MPa Materials of Body and lamella: Ductile Iron (GGG40, GGG50). Cast Iron (GG25) Materials of Crosshead and Guiding Axis:Stainless Steel, Albronze Materials of Sealing Gaskets: EPDM, NBR, PTFE Materials of spring: Stainless Stee
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