The vacuum shut-off valve and vacuum system for high vacuum die-casting were developed in this paper.
真空截止阀的结构及真空系统对高真空压铸生产具有非常重要的影响,是真空压铸中的一大瓶颈和难点。
The boiler tripped and the fluid coupling parts was damaged because of an electric feed water pump non-return valve jam in Xuzhou Power Plant in early 2005.
介绍了江苏徐州发电厂于2005年初因电动调速给水泵出口逆止阀卡涩导致锅炉熄火并造成耦合器部件损坏的事故情况,对发生这一事故的主要原因进行了综合分析,并提出解决方法和防范措施。
The vacuum check valve cannot be repaired and, if faulty or damaged, it must be replace
真空逆止阀是不可维修的，如果有故障或损坏，必须更换它。
Remove check valve and valve seal from booster.
从倍力器上卸去逆止阀和阀门密封。
air admission valve
进气阀,真空破坏阀
Check valves or as a one-way valve. For the hydraulic system to prevent reverse flow of oil flow.
单向阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动。
The vacuum valve opens to admit air.
真空阀开启以补充空气。
vacuum advance control valve
真空点火提前控制阀
Diverter valve vacuum supply hose
紧急控制阀的真空管
Connect vacuum line to EGR valve.
将真空管路连接到EGR阀。
Turn the valve stem counterclockwise until the valve is fully open and will not turn any further.
逆时针旋转阀杆直到阀门全开为止，不要旋转过度。
Design and Analysis of Water Seal Check Valve for Recovery System of Converter Gas
转炉煤气回收系统水封逆止阀设计与分析
This is an insulated, vacuum-jacketed, pressure vessel. They are equipped with pressure-relief valves and rupture disks to protect the cylinders from pressure build-up.
这是一个隔热的有真空夹层的压力容器。它们配备有减压阀和破裂盘，以保护钢瓶，防止压力积累。
Check Valve 1;Check Valve 2;Check Valve 3;Screw-down
止回阀 1;止回阀 2;止回阀 3;旋拧阀
The exploring technique and the status quo of the stop valve of the high pressure air of the marine
船用高压空气截止阀现状与技术探讨
Modular check construction featuring nonreversible checks with captured springs for simplified servicing.
模块化止回阀结构特点在于不可逆止回，配置简化维修的复位弹簧。
The vacuum system consists of vacuum pumps, vacuum pipelines, vacuum valves and vacuum measurers.
真空泵、空管道、空阀门和真空测量头组成了真空系统。
There can be no shutoff valves downstream of an AVB.
在大气真空断路阀的下游不能有关断阀。
Type of valve- gate, globe, check, etc.
阀门种类：闸阀，截止阀，止回阀，蝶阀，球阀，等等。
Research on the DC/AC Link of the Modulariation Aviation Static Inverter;
模板化航空静止变流器逆变环节研究
