此外，所有安全卸压阀、支线和仪表管线应进行干燥和吹扫处理。
Also all safety relief valve line branch line and tubing line for instrument will be dried and purged.
安全壳喷淋系统内有两台喷淋泵，喷嘴，喷淋添加箱，许多安全壳隔离阀和相关的管道仪表等。
The containment spray system consists of two pumps, spray ring headers, a spray additive tank, a number of motor operated isolation valves and all necessary piping, instruments etc.
针对反应堆的特殊要求，主氦循环风机的设计包括总体结构、叶轮型式、冷却系统、轴承、测量仪表、电气贯穿件和隔断阀。
The design of the helium circulator involves the overall construction, the impeller type, the cooling system, the bearings, the instrumentation, the electrical penetrations, and the shutoff valve.
解决采暖供热系统的水力平衡是提高供热品质的首要问题，目前可借助于平衡阀和专用智能仪表来实现。
To solve balance of water force in heat-supplying system is the first issue to improve heat. The issue can be realized with balance valves and special- purpose intelligence instruments.
单井流量计量装置是为解决串联油井的单井量油而研究的，该装置由量油器、记录仪表及管阀附件等组成。
The single well flow metering unit, which is made up of oil meter, recorder, accessories such as pipe and valve and so on, was developed for the oil measurement of single well in series oil Wells.
所有现场安装的气动仪表和控制阀防护等级一般不低于IP65。
Enclosure proof class for all the field mounted electronic instruments shall not be less than IP65.
本论文所述系统的加载方法是在比例溢流阀前装一个节流阀，利用节流阀来阻止溢流阀产生的压力冲击对传感器及仪表的影响。
The load method of the system is that installing a throttle ahead of a proportional overflow valve, and the throttle can prevent the effect of the pressure impulsion upon sensors and meters.
就地安装仪表的压力范围应是保护泄放阀的125%。
Ranges of locally mounted pressure gauges shall be 125% of the protection relief valves (except for thermal expansion relief).
介绍目前我国硫酸装置DCS使用的温度、压力、流量、液位、 成分分析仪表和调节阀以及相关的DCS 系统。
The instruments for measurement of temperature, pressure, flow, level and concentration, control valves supplied for DCS and relative DCS used in sulphuric acid plants of China are described.
好像是说对于火炬总管上负荷是基于最大安全阀的负荷来决定的，这是个运用非仪表基准的例外情况。
The instrumented shutdown analysis forms the basis for the Fujian Ethylene Plant loads except for the maximum safety valve load on each flare header, where the non-instrumented basis is applied.
美国瓦茨994HMB消防栓防回流阀仪表的设计和制造理念在于以最少的维护提供最 长的使用 寿命。
The Watts 994HMB fire hydrant backflow preventer meters are designed and manufactured to provide long-term service with minimal maintenance.
将阀门保持在这个位置，当安全阀出现可以看到的第一次排放的同时，观察仪表读数。
Hold the valve at this position and observe the reading at the moment the first discharge is noted from the relief valve.
新工厂中的仪表装置包括Rosemount温度和压力变送器、MicroMotion质量流量计以及配有FIELDVUE数字阀门定位器的Fisher控制阀。
Instrumentation in the new plant includes Rosemount temperature and pressure transmitters, Micro Motion mass flowmeters, and FIELDVUE digital valve controllers mounted on Fisher control valves.
所有现场安装的气动仪表和控制阀防护等级一般不低于IP65。
Enclosure proof class for all the field mounted pneumatic instruments and control valves shall not be less than IP65.
开关柜及照明箱系列，防火阻燃产品，仪表管阀件系列等。
High low wire case series High low voltage tank and lighting box series Anti-firing and anti-combustion products series.
针型阀：是仪表测量管路系统中重要组成部分，主要有截止阀和球阀，其功用是作开启或切断管道通路用。
Needle valve: it is an important instrument measuring piping system components, mainly cut-off valve and ball valve, its purpose is to open or cut off access by pipeline.
该仪表体积小，带流量调节阀，仪表可以不拆出管道而直接更换锥管。
It is a compact unit with a fine adjusting value, to permit replacement without having to remove the flowmeter from the pipe run.
低温设备仪表在线阀门的阀帽和填料箱应为加长阀帽型或伴热型(必要时)，从而避免阀杆结冰。
The bonnet and packing box of low temperature service instrument in-line valves shall be extended bonnet type or heat traced, if necessary, to avoid freezing of valve stems.
低温设备仪表在线阀门的阀帽和填料箱应为加长阀帽型或伴热型(必要时)，从而避免阀杆结冰。
The bonnet and packing box of low temperature service instrument in-line valves shall be extended bonnet type or heat traced, if necessary, to avoid freezing of valve stems.
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