There are three technical issues to be solved for the design of the GNFC20 nickel cadmium prismatic sealed alkaline battery with plastic case that are to reduce the internal resistance,to decrease the internal pressure during charge and to make the gas vent pressure of safety valve reasonable and steady.
在塑料壳ＧＮＦＣ２０镉镍方形密封碱性蓄电池的设计上，要解决三个技术问题，即较小的内阻，较低的充电内压和稳定合理的安全阀排气压力。
Each hot water space heating boiler shall be equipped with a pressure relief valve set to relieve below the maximum boiler working pressure.
每个热水供暖锅炉都必须配置压力安全阀,其设置的泄压压力必须小于锅炉的最大工作压力。
press safety interlock valve
压力机用安全联锁阀
discharge from safety and relief valves
由安全阀和泄压阀泄放
Relief angle valve. Pressure or vacuum can be specified.
安全角阀。可指定压力或真空度。
The object of providing the safety valve is to allow excess pressure to escape.
装备安全阀是为了让过高的压力外逸。
Remove the relief valve cover bolts while holding the cover down.
边压住阀盖，边拆卸安全阀阀盖螺栓。
Safety relief valves shall be labeled for relief pressure rating.
安全减压阀要有标示，标明压力释放级别。
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。
hoist cylinder oil relief valve
起重机油缸油压安全阀
"As thermal expansion conditions develop, pressure builds up to the setting of the relief valve. This will cause discharging of small quantity of water."
随着热量的增加,压力也随着增加,并达到安全阀的压力设置。此时将导致安全阀排泄出少量的水。
To replace the relief valve disc, hold the upper guide fin and unscrew the diaphragm pressure plate.
要更换安全阀阀瓣，握住上部引导翼，旋下隔膜压力板上的螺丝。
The cast iron body is rated at 15 psig at saturated steam temperature 250 F.
当饱和蒸汽温度为250oF时,本款铸铁阀体安全阀额定压力为15 psig。
Due to the release of pressure when removing the cover, the relief valve spring may eject quickly.
因为在拆卸阀盖时松开压力，安全阀弹簧可能会快速弹出来。
The engineer opened the safety valve to allow the steam to escape and so reduce the pressure.
工程师打开安全阀让蒸气外逸以便降低压力。
Safety Assessment of Unburied Penstock in Front of Globle Valve in Hydroelectric Power Plant
水电厂球阀前压力钢管连接明段的安全评价
Simulation of Safety Valve of Aerobus Cabin Pressure Control System
大型客机座舱压力控制系统安全阀仿真研究
A pressure differential relief valve is located in a zone between the check valves.
压差安全阀位于止回阀之间的区内。
No relief valve is required where two pressure reducing valves are installed.
如果装上两个减压阀，就不需要安全阀。