Specification of the drain valve and vent valve and its influence on the reliability of heating networks;
放水阀和放气阀的设置及其对热网可靠性的影响
The calculation formulas for drain valve and vent valve in long drainpipe are approached, and the valve diameters are calculated being compared with the result in some literature.
探讨了热水管网放水阀、放气阀直径的计算公式,计算了长放水管放水阀直径,并与文献中短放水管放水阀直径进行了比较。
Empty two-position valve accommodating five ports.
排空两个位置的放气阀，它调节五个通道。
Empty three-position valve accommodating five ports.
排空三个位置的放气阀，它调节五个通道。
Empty four-position valve accommodating five ports.
排空四个位置的放气阀，它调节五个通道。
Troubleshooting of Release Valve and Finger Probe for Multi-parameter Monitor
多参数监护仪放气阀、手指探头故障与维修
Design and Experiments for a Regulated Two-Stage Turbocharging System with a Wastegate Valve
带有放气阀的二级增压系统的设计与试验
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）。
blowing the drip
打开集液器阀门让天然气喷放
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。
a safety, exhaust valve
安全阀、 排气阀.
discharging valve
排出阀排气阀排水阀
The mattress should be stored flat and with the valve open until it is to be packed for a trip.
气垫储存的时候要放平，阀门打开，知道充气完毕。
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。
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。
Discussion on High Pressure Natural Gas Pipeline Separate Valve Chamber Diffusing Design
天然气高压管线分段阀室放散设计方案探讨
discharge from safety and relief valves
由安全阀和泄压阀泄放
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。
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。
