A new on-line testing system of safety valves with USB mechanism;
USB端口通讯机制下的安全阀在线校验系统
Research on methods of calculating the effective seat area for on-line adjusting of safety valves;
安全阀在线校验中阀座有效面积计算
Some questions about the set pressure and relief area of safety valves in GB 150-1998;
GB 150—1998中安全阀开启压力和排放面积疑义
Study on risk assessment technology based on RBI method for in-service relief valves;
基于RBI方法的在役安全阀风险评价技术研究
Failure analysis and treatment of pucker and fracture from the big membrane in a kind of relief valve;
安全阀大膜片起皱破裂问题的分析与处理
Failure analysis and treatment of model 1900 relief valve;
1900型安全阀的故障原因与处理
The discharge rate of the steam boiler safety valves controls the ability to relieve the steam pressure in the abnormal situations.
锅炉安全阀排放量的大小,决定了锅炉非正常情况下蒸汽压力的释放能力。
The functions of portable data recorder for adjusting test of safety valves are introduced, the testing data are collected, treated and typed in time, and then the sampling differentiation conditions of safety valve set and reseat pressures are discussed, the optimum programm is determined.
介绍便携式安全阀调整试验用数据记录仪的功能,对试验数据进行实时采集、处理和打印试验记录等,并对安全阀起跳压力和回座压力采样的判别条件进行了讨论,确定了最佳方案。
Directing to the questions existing in the adjustment on the oil replenishing pressure and the side back pressure of the low pressure of the main return circuit ,the adjustment on the high pressure of the main return circuit and the structure of the safe valve of the hydraulic system of the working shear,provides the corresponding improvement measures.
针对采煤机使用中液压部分的补油压力与主回路低压侧背压压力的调定、液压系统主回路高压压力的调定及安全阀结构等存在的问题 ,提出了相应的改进措
The gearing closes valve between the safe valve and the boiler system.
在安全阀和锅炉系统之间安装截止阀门,串联安装1%(体积分数)和10 MPa压力的H2充入接口装置。
Expounded the discharge,caliber and pressure of safety values in commonly used in an oil depot.
阐述了油库常用安全阀排量、口径、开启压力的计算和确定方法,重点分析了油库和机场特定部位安全阀开启压力和公称通径的计算过程和考虑要素,并说明了安全阀定购和使用中的注意事项。
A too narrow sealing surface of the lamella combined with the improper material quality of the lamella is the main cause affecting the annular scars on the safety value.
阀瓣密封面过窄与阀瓣材质的选择不当 ,是影响安全阀环形伤痕的主要原
a safety, exhaust valve
安全阀、 排气阀.
safety valve dome
安全阀汽包，安全阀座
discharge from safety and relief valves
由安全阀和泄压阀泄放
This is a gate valve (check valve, butterfly valve, cut-off valve, magnetic valve, remote valve, relief valve, throttle valve, cock).
这是一个闸阀（止回阀、蝶阀、切断阀、电磁阀、遥控阀、安全阀、节流阀、旋塞）。
Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
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。
Install relief valve cover nut and tighten.
安装安全阀阀盖螺母，并加以紧固。
subsurface controlled subsurface safety valve
井下控制井下安全阀
surface controlled subsurface safety valve
地面控制井下安全阀
ball type surface controlled safety valve
地面控制的球型安全阀
maximum allowable relief valve setting
安全阀最大许用设定值
hoist cylinder oil relief valve
起重机油缸油压安全阀
Remove the pressed in relief valve seat and seat O-ring.
拆卸压进去的安全阀阀座和阀座O形环。
The check valve and relief valve seats shall be push-in type.
这种止回阀和安全阀阀座应该是推入式的。
The relief valve should be able to be removed by unscrewing the relief valve from the housing.
通过从外壳上旋下安全阀应该能够拆卸安全阀。
Wellhead surface safety valves and underwater safety valves for offshore service
海上用井口上部安全阀和水下安全阀规范
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。
The relief valve spring will be free inside the body at this point.
这时安全阀弹簧将在阀体自由活动。