It is diaphragm type back pressure valve.
背压阀为隔膜式，能调整设定压力。
Check that the air pressure valve is opened.
检查空压阀是否打开。
Laughter is a pressure valve which releases muscle tension.
大笑是一个压力阀，它可以释放肌肉紧张。
Indeed, he sees the veto system as a kind of pressure valve.
确实，他认识到否决制度是一个压力阀。
The operating principle, structure and advantages of dual controlled gas constant pressure valve are analyzed.
分析了双控燃气稳压阀的工作原理、结构和优点。
Pressure is also building up within the reactor, butthe release valve is malfunctioning, he said.
反应堆内的压力正在升高，但是放压阀出现了故障。
The PORV 'backup valve is opened to lower the pressure.
减压阀的备用阀门被打开，减少压力。
Requirements: Valve must be tight against reverse flow under all pressure differentials.
要求：在所有压差下，阀门对于回流必须是密封的。
Control valve in an air system for setting volume and pressure.
为了保持流量和压力的空气系统的控制阀门。
Pressure gauge, valve, pressure regulator for panel mounting.
压力表、阀、压力调节器均为面板安装。
Read the pressure drop across the valve with a Watts Series PG meter.
利用美国瓦茨系列PG仪器读出通过阀门的压降。
The main valve fittings with screw lid release, pressure release valve.
将主阀盖上的配管接头螺丝松开，释放阀内压力。
Second check must be drip tight when pressure is applied to downstream side of valve.
当阀门下游一侧出现压力时，第二止回阀必须是无滴漏。
Connect differential pressure switch wire to the combination valve.
连接差速压力开关线至组合阀。
A valve on the engine for reducing pressure in the compressor section.
发动机上，用来降低压气机压力的活门。
Imported high quality safety valve, precise control valve to adjust pressure.
进口优质安全阀，精确阀控调节压力。
The valve for high temperature and pressure medium.
这种阀门适用于高温高压介质。
Intelligent valve is attached for the regulation of oil pressure flow.
配置智能阀，可自动调节油压流量；
DIAPHRAGM, A flexible part for operating a valve mechanism by pressure.
隔膜，用气压或液压操作的活门机构中的柔性部件。
High-pressure float valve structure and general structure similar to the float valve.
高压浮球阀的结构和一般浮球阀的结构相似。
Purpose: To test operation of pressure differential relief valve.
目的：检测差压安全阀的工作性能。
Set pressure and orifice size determine valve capacity.
根据设置压力和节流孔通径来确定阀门的流容。
Relief Angle valve. Pressure or vacuum can be specified.
安全角阀。可指定压力或真空度。
Shut off supply pressure and drain valve.
关闭供应压力和排泄阀门。
Besides, it can also correct the air valve position during air pressure change.
此外还能在预热空气压力变化时自动修正空气阀门位置。
Record this as the opening differential pressure of the relief valve.
将这个读数记录为安全阀的开启差压。
The leakage through the valve causes the pressure drop.
通过阀的泄漏引起的压力降。
Do not remove collar bushing with valve under pressure.
在阀门处于压力负载下，不需要拆卸轴环衬套。
Is suitable for through flange valve sealing pressure and valve body intensity pressure performance test.
适用于直通法兰式阀门的密封压力和阀体强度压力性能试验。
Is suitable for through flange valve sealing pressure and valve body intensity pressure performance test.
适用于直通法兰式阀门的密封压力和阀体强度压力性能试验。
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