Flush All Test Cocks 冲洗所有测试旋塞
Open test cocks to drain in cold climates if only operated seasonally.
如果仅仅是季节性运行，则在寒冷环境下开启测试旋塞。
The bypass assembly consists of a meter registering either gallon or cubic measurements, a double check assembly and required test cocks.
旁路总成包括一个可记录加仑或立方米的水表，一个双止回阀总成和所需的测试旋塞。
The assembly shall consist of two positive seating check valves located between two resilient seated shutoffs with a hydraulically balanced bypass line and four test cocks .
这种总成应该由两个正向密封止回阀， 两边夹着两个弹性阀座关闭阀， 并配置一个液压平衡旁路管线和四个测试旋塞构成。
应用推荐