1.
Open the raw water drain valve until the outlet water becomes clear, and then close the valve.
开启原水排放阀，直到出水清澈为止，然后关闭。
2.
Check all valves to ensure that they are in correct states. Open the high salinity water drain valve on the RO device.
检查所有阀门，以确定阀门处于正确状态。将RO设备上浓水排放阀打开。
3.
discharging valve
排出阀排气阀排水阀
4.
Hang the Air Gap Drain on the body of the relief valve (Fig. 2).
将气隙排放装置悬挂在安全阀阀体上（图2）。
5.
the inlet/outlet valves of a petrol or steam engine
汽油发动机或蒸汽机的进给[排放]阀
6.
Safety valve (or bursting disc) relieving capacity calculation sheets
安全阀(爆破片)排放量计算书
7.
Open needle valve" A" high side and vent needle valve to vent air from bypass hose.
开启针形阀“A”高端和排气针形阀，从旁路软管排放空气。
8.
a safety, exhaust valve
安全阀、 排气阀.
9.
Note: Air Gap Drains are not designed to collect the full discharge capacity of the relief valve.
注意：气隙排放装置不适用于收集安全阀的所有排放。
10.
Water discharge from the relief valve should be vented in accordance with code requirements.
安全阀上的水排放应该符合有关规程的要求。
11.
Empty two-position valve accommodating five ports.
排空两个位置的放气阀，它调节五个通道。
12.
Empty three-position valve accommodating five ports.
排空三个位置的放气阀，它调节五个通道。
13.
Empty four-position valve accommodating five ports.
排空四个位置的放气阀，它调节五个通道。
14.
Manually or automatically drained separator valve with or without filter.
带或不带过滤器的手动或自动排放分离阀。
15.
a small cock or faucet or valve for letting out air or releasing compression or draining.
放出空气或浓缩或排泄的小栓或旋塞或阀。
16.
To avoid this discharge, install a spring-loaded, rubber seated check valve ahead of the backflow assembly.
为了避免这种排放，要在防回流阀总成前面安装一个弹簧驱动、橡胶阀座的止回阀。
17.
The assembly shall also include two resilient seated isolation valves, four top-mounted resilient seated test cocks and an air gap drain fitting.
这种总成应该包括两个弹性阀座隔离阀，四个顶部安装弹性阀座测试旋塞和一个气隙排放接头。
18.
Vent the air gap and drain line from the relief valve in accordance with code requirements.
按照规程的要求，排出安全阀气隙和排放管道的空气。