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          金屬軟管_金屬波紋管_插板閥_通風蝶閥_非金屬膨脹節/補償器_泊頭太航管道配件制造有限公司

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          軸向型內壓波紋補償器
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          公稱直徑小于150mm的方形補償器通常用冷彎法彎制;公稱直徑大于150mm的用熱彎法彎制,也可用折皺彎頭。
          插板閥又稱手動刀型閘閥,是一種閘板和閥座始終緊密接觸密封的閥門,其工作原理是在閘板上開有一個通徑大小的圓口,通過閘板啟閉會使得閘板上的圓口與通徑做   脫離和相吻合的動作。
          女人光屁股(无遮挡)

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