止回阀

The pressure discharge ability for the heating system with circle water pump parallel connected side connecting line with different diameter has been calculated and compared. Resalable diameter for side connecting line is defined to ensure system safety, mainly for radiator safety at heat users, when the pump is off.

对上述所产生的水击，该供热系统循环水泵并联不同管径的旁通管及使用不同型式的止回阀，计算其泄压能力并对结果进行比较分析，确定合理的旁通管管径，使其供热系统在停泵时保证系统的安全，主要是热用户处的散热器的安全。

Check valve cable plug and socket connections , remove and reinsert if necessary .

止回阀塞和插座连接电缆拆卸和姚，如果必要的话。

Manual butterfly valve, electric butterfly valve, check valve, rubber joint, etc.

手动蝶阀，电动蝶阀，止回阀，橡胶接头等

In some cases, Rubber Flapper Swing Check Valves the easiest way to stop the leak is to buy a replacement valve.

"Anti-siphon valve keeps water flowing one way "是由中国止回阀网提供的国际阀门新闻，译文仅供参考。

Check valves (also called non-return valves) are usually self-acting.

止回阀通常都是自动式的。

Swing check valve into unicuspid type, double-valve type and multi-jaw type of three.

旋启式止回阀分为单瓣式、双瓣式和多瓣式三种。

Butterfly Check points unicuspid type, two-valve type, and most of type three, three by the valve diameter to form the main points, the purpose is to prevent the media to stop flow, or reflux, the weakening of the hydraulic shock.

蝶式止回阀分单瓣式、双瓣式和多半式三种，这三种形式主要按阀门口径来分，目的是为了防止介质停止流动或倒流时，减弱水力冲击。

In the pump outlet check valve should be set to water hammer.

在水泵的出口处应该设置防水锤止回阀。

Is designed to avoid serious water hammer phenomena at tradition check valve closing.

是为解决传统止回阀关闭时产生的严重水击现象而设计的。

Before reinstallation of Checks, thoroughly clean O-ring groove and lubricate O-ring with FDA approved lubricant.

在重新安装止回阀之前，要彻底清洗O形环沟槽，并用通过美国食品及药物管理局认证的润滑剂对O形环进行润滑。

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