止回阀

NOTE: All check valves should be installed at least ten pipe diameters away from upstream pumps, elbows, fittings or equipment.

注意：所有止回阀应该安装在距离上游泵、弯管、连接器或设备至少十倍管道直径的地方。

Asahi/America says the screens are ideal for use when a ball check valve is located in a tank on the suction side of a pump.

朝日/美说，当屏幕的球止回阀在一项关于泵吸边箱设的理想选择。

The valve packing Manufacturer or to the FORGED STEEL VALVES packing company's technical department or consult the relevant provisions of torque compression percentage, the following steps to tighten the squeeze cap nut:(1) applied to the gland nut torque to full torque of 30% or the percentage compression of the party;(2) repeatedly open and close valves several times, when the valve is in the closed position, to exert all the torque;(3) Repeat steps (2) 3 or 4 times.

阀门用盘根向盘根制造商或企业的技术部门止回阀咨询有关扭矩的规定或压缩百分比，按以下步骤拧紧压盖螺母：（1）向压盖螺母施加扭矩至满扭矩的30%或是党的压缩百分比；（2）反复开闭阀门数次，当阀门处于蝶阀关闭位置时，施加全部扭矩；（3）重复步骤（2）3或4次。

Open test cock No.1 and No. 3 admitting line pressure to downstream side of second check valve.

开启测试旋塞1号和3号，是管道压力传到第二止回阀的下游一侧。

Disconnect the washer supply hoses from the barbed nipples on each end of the rear washer system check valve.

从在后清洗器系统止回阀的每边上的带挂钩螺纹接头上断开清洗器供应软管。

CAUTION: The check valve spring is in compression.

警告：止回阀弹簧处于压缩状态。

Cocks, the top cone FLANGE-CONNECTION LIFTING PLUG VALVE ACC.

旋塞锥体的上部有一止回阀。

In the invention, the water outlet of a circulating pump is connected with the water inlet of a solar energy collector; a water check valve is arranged on a water circulating pipe between the water outlet of the circulating pump and the water inlet of the solar energy collector; the water outlet of the solar energy collector and the water outlet of a water supply pump are connected with the water inlet of a heating coil; the water inlet of the circulating pump and the water inlet of a drain pump are connected with the outer outlet of the heating coil; the water inlet of the water supply pump is connected with the water outlet of a water storage tank; and the water outlet of the drain pump is connected with the water inlet of the water storage tank.

本发明的循环水泵的出水口与太阳能集热器的入水口连接，水止回阀设置在循环水泵的出水口与太阳能集热器的入水口之间的水循环管路上，太阳能集热器的出水口和补水泵的出水口都与加热盘管的入水口连接，循环水泵的入水口和泄水泵的入水口都与加热盘管的出水口连接，补水泵的入水口与储水箱的出水口连接，泄水泵的出水口与储水箱的入水口连接。

A single pump drainage may produce flow backward when the check valve should be set up.

单台水泵排水有可能产生倒灌时，应设止回阀。

Authors I have observed two projects have been completed, the interior pipe leaks water main pipe at the interface capillary action of water leakage, as well as contacts at one end and Atmospheric Test drainage valves and pump check valve leakage of water exports.

作者本人曾观察过两个已竣工的工程，室内管道的泄漏水主要在管道的接口处毛细作用渗漏水，以及一端与大气接触的试验排水阀门和水泵出口止回阀的泄漏水量。

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