1.
The valves can used for pipe nozzle and have reliable performance.
阀门可用于管端作放空阀用，性能可靠。
2.
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。
3.
Empty two-position valve accommodating five ports.
排空两个位置的放气阀，它调节五个通道。
4.
Empty three-position valve accommodating five ports.
排空三个位置的放气阀，它调节五个通道。
5.
Empty four-position valve accommodating five ports.
排空四个位置的放气阀，它调节五个通道。
6.
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。
7.
Noise Silencer for Steam Evacuation and Flow Adaptation of Its Valve in Thermal Power Plant
火电厂蒸汽放空消声器及其阀门流量适配
8.
discharge from safety and relief valves
由安全阀和泄压阀泄放
9.
air admission valve
进气阀,真空破坏阀
10.
Pressure Reliet Valve
放压阀（俗名试压）
11.
The positive crankcase ventilation valve and gas caps with air-pollution control valves reduce volatile organic compound loss.
曲柄轴箱通风阀和配有废气帽的空气污染控制阀（使用）减少挥发性有机混合物释放有积极作用。
12.
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。
13.
Empty two-position valve accommodating two, three or four ports.
排空两个位置的放气阀，它调节两个、三个或四个通道。
14.
Empty three-position valve accommodating two, three or four ports.
排空三个位置的放气阀，它调节两个、三个或四个通道。
15.
Empty four-position valve accommodating two, three or four ports.
排空四个位置的放气阀，它调节两个、三个或四个通道。
16.
Attach hoses as shown. Bleed air from kit, close No. 2 shutoff.
如图所示接上软管。从组件上排放空气，关闭2号关闭阀。
17.
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。
18.
The vacuum valve opens to admit air.
真空阀开启以补充空气。