安全阀

As the "Hydraulic safety Closed Spring Loaded Low Lift Type-High Pressure Safety Valve valve," has two levels pressure relief function and pressure from low to high pressure limiting function; with limited pressure relief and anti-corrosion properties of good stability and reliability advantages of the patented product may greatly enhance and expand power systems and hydraulic equipment hydraulic mine support equipment, quality and performance.

由于&气动液压安全阀&具备二个级别卸压功能和从低到超高压力的限压功能；具备限压卸压稳定可靠和防腐性能好的优点，本专利产品可极大地提升和拓展液压动力系统和液压设备矿井支护设备的品质和性能。

The system is mainly used for 140 horizontal continuous casting machine power plant, control of the working point tank movements, As the system configuration on a level of temperature, pressure relay (HED10A20), the solenoid valve, valve, safety valve, and so can the system oil temperature, pressure and other remote control and compact design of the structure, convenient operation and reliable performance, energy conservation is SLD-140 horizontal continuous casting machine hydraulic devices supporting the ideals of hydraulic equipment.

该系统主要用于140水平连铸机的动力装置，控制各工作点油缸动作，由于该系统配置有液位液温器、压力继电器（HED10A20）、电磁阀、溢流阀、安全阀等，因此可对系统的油液温度、系统压力等实现远程监控，其结构设计紧凑、操作方便、性能可靠、节约能源是SLD-140水平连铸机液力装置的理想配套液压设备。

On safely valve of tar distillation still top,during the use some problems were pointed to impreve advise.

针对焦油蒸馏釜顶安全阀在使用中遇到的一些实际问题，提出了改进建

In order to prevent damage to the pump must pump discharge pipe into the suction pipe installed between the safety valve.

为了防止泵的损坏，必须在泵的排出管到吸入管之间安装安全阀。

Steam safety valve should be installed to provide emergency protection of equipment.

应该安装蒸汽安全阀，为设备提供紧急保护。

It is necessary to raise steam pressure to open safety valve automatically as to examine its sensitiveness.

1.9 必要时可使气压提高将安全阀自动顶开，以检查其灵敏性。

Steam safety valve should be installed to provide emergency protection of equipment.

应该安装蒸汽安全阀作为故障保护设备。

Main steam safety valve is the protective device against overpressure in the steam system of nuclear island.

主蒸汽安全阀是压水堆核电站核岛内主蒸汽系统的超压保护装置。

Used for air and steam safety valve, safety valve used is not closed.

关于空气和蒸汽用平安阀，少采取没有封锁式安全阀。

Steam safety valve should be installed to provide emergency protection of equipment.

应该安装蒸汽安全阀，对设备提供紧急保护

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。