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- Open vent needle valve and bleed air from hose. Then close vent valve. 开启排气针形阀，并从软管排放空气。然后关闭排气阀。
- Frequently open the vent valve to vent out the air in side the system. 经常开启管道排空阀门，以排出系统中的空气。
- DVVV Distributor Vacuum Vent Valve 分电盘真空阀
- CPVVV Choke Pulldown Vacuum Vent Valve 阻风门真空强制通风阀
- The solenoid plunger pulls the vent valve down, blocking off the passage to the charcoal canister. 电磁柱塞拉下通气阀，堵住通向活性碳罐的通路。
- A direct-acting vent valve is tightest when tank pressures are 75 percent or less of set pressure. 当罐压力为设定压力的75%25或更低时，直接作用式通气阀有最好的气密性。
- A pressure-and-vacuum vent valve is a kind of important adjunct,which pressure testing relates to its security and reliability. 呼吸阀是油罐的重要附件之一,其试验压力关系到呼吸阀的安全性和可靠性。
- Open pump suction venting valve until gas free. 打开泵入口管线上的放空阀，至无气体。
- All pressure instruments shall have a vent valve to provide the capability of depressurizing the sensing line after the block valve is closed. 所有压力仪表应配备一个排气阀，以便在截止阀关闭后能够使导压管泄压。
- A pilot-operated vent valve for pressure relief uses tank pressure, not weights or a spring, to keep the vent valve seat closed. 先导式通气阀泄压时利用储罐压力，而不是重力或弹簧外力，来保持通气阀阀座关闭。
- For modulating action, the main vent valve opens gradually with increasing pressure and achieves rated relieving capacity at relieving pressure. 对于调制式先导器，主阀门将随压力增加而逐渐打开，在泄放压力时达到额定排放量。
- Unlike in a direct-acting vent valve, the force holding the seat closed in a pilot vent valve increases with increasing pressure. 不同于直动式通气阀，先导式通气阀保持阀座关闭的作用力随压力增加而增加。
- 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。
- Diverter valve vacuum supply hose 紧急控制阀的真空管
- The HYDAC Air Vent Valve eliminates air bubbles which accumulate in hydraulic systems immediately after startup or after long periods of shutdown of the system. 在 HYDAC 排气阀消除气泡的液压系统中的积累后 ， 立即启动或以后的系统关机长时间。
- CL-DV Air Cleaner Duct Valve Vacuum Motor 空气滤清器导管阀真空马达
- Manifold shall have safety pressure relieve valve, pressure regulators, and pressure gauges indicating inlet and outlet pressure, bleed valve (vent valve) and pigtail for cylinder connections. 气体管路需要有安全压力释放阀门、压力调节阀门、压力表来指示气体压力。
- Where required, the piping installation shall include valves for isolation, bypass capable of full flow manual control, and drain and vent valves. 管道的安装应按照要求包括隔离阀和旁通阀，用于控制全流量手动控制调节阀、排液阀和排气阀。
- Manifold shall have safety pressure relieve valve, pressure regulators, and pressure gauges indicating inlet and outlet pressure , bleed valve (vent valve) and pigtail for cylinder connections. 气体管路需要有安全压力释放阀门、压力调节阀门、压力表来指示气体压力。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
