在人工手动操作阀杆时，如果水路畅通，热水会排泄出来。
When the lever is operated, Hot water will discharge if the waterways are clear.
安装后，热水容器拥有者每年必须至少操作阀杆一次，以确保水路畅通。
Following installation, the valve lever MUST be operated AT LEAST ONCE A YEAR by the water heater owner to ensure that the waterways are clear.
此种微机控制701试验台，是采用功率步进电机驱动原操作阀进行试验的。
The microcomputer controlled test stand 701 adopts power stepping motor to drive the original operating valve to carry out tests.
波音公司的解决之道：在机翼上安装近24个调节阀，并以电脑控制系统协调操作。
Boeing's solution: nearly 24 control flaps on the wing, with computerized control systems to coordinate them.
7小时30分钟尽管操作员已将水抽入主回路，但温度仍然很高。减压阀的备用阀门被打开，减少压力。
7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.
阀可以通过调整操作在下面的空中通道室空气的压力。
Valves can be operated by adjusting the air pressure in a chamber below the air channel.
通过内部安装控制继电器，特殊控制开关进行操作就如同电磁阀一样。
Special control switch setup operates like a solenoid valve through internally mounted control relay.
电磁先导阀提供交流或直流操作与黄铜或316不锈钢体。操作压力为10- 150磅。
Solenoid pilot operated valves available AC or DC operated with brass or 316 stainless steel bodies. Operating pressures of 10-150 psi.
所有蒸汽阀等操作部件均采用人性化设计，方便操作调控。
All the operating parts like steam valves etc. adopt the humanization design, in order to facilitate actual operations.
气动—使用辅助压缩空气或水的来源转变阀，而不是一个螺线管操作。
Air Operated - Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.
所有的流体系统将用空气进行操作运行，以对管路系统中的所有泄露情况进行检查，液压缸和阀同样也要进行手动操作。
All fluid systems should be operated and air removed from systems and checked all leaks in piping systems. Cylinders and valves also should be operated manually.
美国红阀公司出品的A型无故障系统700从热储系统里提供气压，一个这种供气系统可以同时操作几个夹管阀。
The Type A fail-safe system 700 from Red Valve is sized to provide air pressure in the reservoir system to operate multiple valves from one reservoir.
安装在主管线内，防止上游压力降到预置最小压力以下。电磁阀的过载平衡功能使其能够进行电气开-关操作。
Installed in a mainline it prevents upstream pressure from dropping below a preset minimum. Solenoid override of the sustaining function allows for electrical on-off operation.
型夹管阀采用的纯树脂橡胶具有优异的抗磨损能力，因为A型夹管阀只是采用气压进行操作，因此没有活动部件会断裂或磨损。
The pure gum rubber sleeve of the Type A Valve offers excellent abrasion resistance, and since the Type A uses only air pressure to operate, there are no moving parts to break or wear out.
请勿操作和阀芯下满负荷连续超过一分钟。
Don't operate and spool under full load over one minute continuously.
溢流阀是用来保护机器和操作人员的安全的，不得任意调整。
The overflow valve is used to protect the machine and the safety of the operating personnel, must not be arbitrary adjustment.
溢流阀是用来保护机器和操作人员的安全的，不得任意调整。
Safety relief valve is used to protect the machine and operator shall not be adjusted.
压力的变化将精确定位阀杆总成，使得阀门实现所要求的启、闭或调节的操作。
Varying the amount of pressure accurately positions the stem assembly to open, close or modulate the valve as required.
锥形阀塞经过精密研磨，采用硬化高合金材料或一种镀层不锈钢，确保紧密密封和操作容易。
The tapered plug is precision ground from hardened high alloy material or an overlaid stainless to assure a tight seal and easy operation.
高灵敏电磁阀控制水流，随动控制系统，操作异常简便。
High sensitive electromagnetic valve control the flow of water, the servo control system, the operation is extremely simple.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
气动—使用辅助压缩空气或水压力转换阀，而不是一个螺线管操作。会议提供了一个选择3个气动操作压力等级。
Air Operated - Uses auxiliary compressed air or water pressure to shift valve, rather than a solenoid operator. ASCO offers a choice of 3 pneumatic operator pressure ratings.
特殊的偏置阀瓣能够迅速从阀座上升起，以减少磨损，降低操作力矩。
Special off-set Disc lifts quickly from seat to reduce wear and reduce operating torque.
试验结果表明：浮阀筛孔复合塔板操作弹性小、气液处理量小；
The results show that valve-sieve compound trays have smaller turndown ratio and smaller capacity.
电磁先导阀操作提供交流与黄铜阀体。
Solenoid pilot operated valves available AC operated with brass bodies.
电磁先导阀操作提供交流与黄铜阀体。
Solenoid pilot operated valves available AC operated with brass bodies.
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