止回阀

VALVE TO BE ACCESSIBLE AND INSTALLED HORIZONTALLY ON A VERTICAL SECTION OF LINE.

止回阀要易于接近，并且在垂直管段要水平安装。

Swing Check Valve - ANSI Class 600, 900, 1500 and 2500

旋转式止回阀- ANSI级别600， 900， 1500和2500

We want to buy Ball, Gate and Check Valves, 2 To 42 Ansi Class 150 To 2500 Valves

我们要采购球，门和止回阀

Check valves are automatic valves that open with forward flow and close with reverse flow.

止回阀是一种自动化运行的阀门，这种阀门当流体向前流动时处于开启状态，而当流体倒流时则处于关闭状态。

Crystallization affects the sealing of the check valves causing backflow, which will directly affect pH control accuracy.

结晶影响了止回阀的密封，导致回流，这将直接影响pH值控制精度。

Gravity ball check valves are converted to foot valves by replacing the union nut and end connector on the receiving end – seat end – of the body with an F.V.

重力球形止回阀可以变为底阀，只需在接受端口-阀体的阀座端口，用一个F.V。

A check valve should be installed on return piping if there will be a pressurized return line or the trap drains to an overhead return line Fig.

如果存在一个压力回路，或者疏水阀排放口位于回路管道的上方，则应该安装一个止回阀。

Pump suction valve off the bottom also belongs to valve type.

水泵吸水关的底阀也属于止回阀类。

It is ideal valve for steam and over-heating steam.

带有内装止回阀是一种适用在低过热汽工况上的理想疏水阀。

Kit consists of: Check seat, Seat O-ring and Cover O-ring.

组件包括：止回阀阀座，阀座O形环和阀盖O形环。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了