test cock

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.

Close test cock No.4. Disconnect bypass hose ( yellow ) at test cock No.4.

关闭测试旋塞4号. 断开测试旋塞4号上的旁路软管 ( 黄 ).

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。

Install low side hose between test cock No.4 and tester connection B.

在测试旋塞4号和检测器连接B之间安装低端软管.

Install sight tube in test cock 4 and fill with water as before.

在测试旋塞4号安装观察管,并如前所述注水.

Open test cock # 4.

开启测试旋 塞 4号.

Connect flexible hose from test cock No.1 to test cock No.3.

从测试旋塞1号连接柔性软管到测试旋塞3号.

Open test cock 2. Installing EZ-TC adaptor opens test cock 2.

开启测试旋塞2号. 安装EZ-TC适配器,开启测试旋塞2号.

Bleed air at each test cock.

从每个测试旋塞排放空气。

Connect the high side hose to test cock No.1, low side hose to test cock No.4.

将高端软管连接到测试旋塞1号上, 将低端软管连接到测试旋塞4号上.

Open test cock 3. Installing EZ-TC adaptor fitting opens test cock 3.

开启测试旋塞3号. 安装EZ-TC适配器连接件,开启测试旋塞3号.

Open test cock No.2.

开启测试旋塞2号.

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.

Close test cock No.4. Disconnect bypass hose ( yellow ) at test cock No.4. Close vent needle valve.

关闭测试旋塞4号. 断开测试旋塞4号上的旁路软管 ( 黄 ). 关闭排气针形阀.

Connect hose from test cock to VA HIGH.

从测试旋塞连接软管到阀门A高端.

Remove vent hose from test cock # 1, open shutoff # 1.

从测试旋 塞 1号上拆卸排气软管, 开启 关闭阀 1号.

Install high side hose between test cock No.3 and tester connection A.

在测试旋塞3号和检测器连接A之间安装高端软管.

Installing EZ-TC adaptor fitting opens test cock 3.

安装EZ-TC适配器连接件,开启测试旋塞3号.

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。

Be sure to close test cock before pressurizing valve.

在重新对阀门加压之前,请确认关闭测试旋塞阀.

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。

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。

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。

Install low side hose between test cock No.3 and tester connection B.

在测试旋塞3号和检测器连接B之间安装低端软管.

Install high side hose between test cock No.2 and tester connection A.

在测试旋塞2号和检测器连接A之间安装高端软管.

Tighten vent hose at test cock # 1, open test cock # 1.

紧固测试旋 塞 1号上的排气软管, 开启测试旋 塞 1号.