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旋塞阀

旋塞阀(Plug Valve)以锥形或圆柱形旋塞为启闭件,旋塞绕自身轴线旋转 90° 即完成全开或全关,启闭迅速、结构紧凑,且阀腔与流道无死角、介质不沉积,特别适合含固体颗粒、浆料与高压气体的快速截断。 按密封与结构分为润滑式锥形旋塞阀(注入专用密封脂形成密封并降低摩擦,适用于含固介质)、圆柱形旋塞阀(旋塞受力均匀、操作扭矩低)与压力平衡式旋塞阀(平衡通道抵消高压径向推力,显著降低高压大口径下的操作扭矩);旋塞经表面硬化处理,密封脂按介质与温度选用,可在运行中补脂维护。 压力等级覆盖 ASME Class 150–900(PN 20–PN 150),阀体材质含 WCB、CF8/CF8M;设计制造依据 API 599、ASME B16.34,常见于煤气、天然气、原油与浆料管路。

压力平衡式旋塞阀旋塞阀

压力平衡式旋塞阀

压力平衡式旋塞阀(Pressure Balance Plug Valve)在旋塞上设置压力平衡通道,使高压介质对旋塞的径向推力相互抵消,从而显著降低操作扭矩,适用于高压大口径气体介质的截断。 旋塞经注脂密封与表面硬化处理,在高压天然气、氢...

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圆柱形旋塞阀旋塞阀

圆柱形旋塞阀

圆柱形旋塞阀(Lubricated Cylindrical Plug Valve)以圆柱形旋塞替代锥形旋塞,旋塞与套筒配合,圆周方向受力均匀、密封面不易卡滞,操作扭矩较锥形旋塞更低。 配注脂系统形成密封,旋转 90° 完成启闭,流通截面大...

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润滑式锥形旋塞阀旋塞阀

润滑式锥形旋塞阀

润滑式锥形旋塞阀(Lubricated Taper Plug Valve)以圆锥形旋塞为启闭件,旋塞与阀体锥面间注入专用密封脂,既起到密封作用,又降低旋塞旋转时的摩擦力与磨损,使阀门在含固介质中仍能轻松启闭。 旋塞通道与流道对正时全通,旋...

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