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。
It shall be a complete assembly including tight-closing resilient seated shutoff valves, test cocks, and a strainer is recommended.
这种总成应该是完整的，包括紧密关闭弹性阀座关闭阀(闸阀)，测试旋塞，以及建议配置的一个过滤器。
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。
应用推荐