test cock
英 [test kɒk]
美 [test kɑːk]
网络 试栓; 验水旋塞; 试验旋塞
双语例句
- The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer.
带测试旋塞的关闭阀安装在防回流阀的进口一侧。 - Bleed air at each test cock.
从每个测试旋塞排放空气。 - Connect bypass hose between vent needle valve and loosely connect to test cock No.1.
在排气针形阀上连接旁路软管，并将其松散连接到测试旋塞1号上。 - Remove bypass hose from test cock No. 1, open shutoff valve No. 1.
从测试旋塞1号上拆卸旁路软管，开启1号关闭阀。 - After shutoff valves are closed, open test cock# 2,# 3 and# 4 to relieve pressure within the backflow assembly.
在关闭了关闭阀后，开启测试旋塞2号，3号和4号，释放回流阀总成的压力。 - If it slowly drops and simultaneously runs out through test cock No.3, check valve No.2 is leaking and must be serviced.
如果水柱慢慢下降，并且同时通过测试旋塞3号排出，则止回阀2号泄漏，必须维修。 - The test cock is on the inlet side of the shutoff valve.
测试旋塞位于关闭阀的进口一侧上。 - Alternately the test cock may be opened to break any suction caused by lifting internal assembly.
测试旋塞阀可能要交替开启，以阻断由于取出阀内件总成导致的任何吸力。 - If it does not drop, but there is slow leakage at test cock No.3, then No.1 ball valve has a small leak, but No.2 check valve is tight.
如果水柱没有下降，但是测试旋塞3号有点泄漏，则1号球阀有点泄漏，但是2号止回阀密封紧密。 - Install hose between test cock No.1 and connection "A" high side ( red) on test kit.
在测试旋塞1号和检测组件上的高端（红）连接“A”之间安装软管。 - Open upstream slowly, fill the valve and bleed the air through Test cock 2, 3 and 4.
慢慢开启上游，注满阀门，通过测试旋塞2，3和4号排放空气。 - Open test cock No.2.When flow of water out of test cock No.2 stops, the differential reading is the pressure drop record.
开启测试旋塞2号。当测试旋塞2号上流出的水停止时，将压差读数记录为压降。