Purpose : To test check valve No.2 for tightness against flow.

目的: 检测止回阀2号对于回流是否紧密密封.

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Seat discs shall be reversible to extend check valve life.

阀座阀瓣应该是双向的,能够延长止回阀寿命.

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Use a check valve to prevent reverse flow into the cylinder.

采用止回阀,防止回流入钢瓶.

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Check valve is also called the reflux valve, non - return valve.

止回阀又称为逆流阀、逆止阀 、 肯压阀、单向阀.

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Dual Check Valve with Atmospheric Vent shall be installed at referenced cross - connections .

带排气口的双止回阀应该安装在相关的 交叉连接 处.

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A double check valve assembly shall be installed at each noted location.

双止回阀总成应该安装在每个指定的位置.

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Easily converts Ball Check Valve to a Foot Valve.

能够轻易地将球体止回阀转换成底阀.

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Check valve tags are typically mounted on the rim of the cap.

止回阀标签通常安置在阀帽的边缘上.

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CAUTION: The check valve disc and spring assembly are in compression.

警告: 止回阀阀瓣和弹簧总成是压缩在一起的.

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Butterfly Check Valve seating may be affected by normal system turbulence.

正常系统湍流可能会影响到蝶式止回阀的阀座.

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In the open position, they function as a lift check valve.

在开启状态下, 这种阀门功能与提升式止回阀相同.

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Purpose : To test check valve No. 2 for tightness against reverse flow.

目的: 检测止回阀2号对于回流的紧密度.

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Reassemble the check valve module in the reverse order.

按照相反顺序重新组装止回模块.

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Particles from worn piston seal caught in check valve.

单向阀内发现从已磨损柱塞密封圈进入的颗粒.

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Purpose : To test check valve No.2 for tightness againstflow.

目的: 检测止回阀2号对于回流的紧固性.

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