Open piping attached to a filled tank will not start to drip-leak following installation and test of a Chemtrol Tru-Bloc shut-off valve.

在Chemtrol Tru-Bloc关闭阀安装和测试后，连接到满储的储罐的管道开口将不会开始滴漏。

youdao

Freezing Weather Precaution - Subsequent to testing a piping system, valves should be in an open position to allow complete drainage.

结冰气候预防-检测管线系统后，阀门应该处于开启状态，做到排泄完全充分。

youdao

Keep return piping valve closed until trap fills with condensate. Slowly open valve.

保持回路管道阀门处于关闭状态直到疏水阀充满冷凝物为止。慢慢开启阀门。

youdao

Carbo Ceramics is a leader in making what's called ceramic proppant, which is the synthetic material, sand-based often, with chemicals that are injected into the fractured rock to hold open the cavities so the natural gas goes up into the piping that captures it.

FORBES: Intelligent Investing