仪表阀门

国内外仪表阀门及管件现状分析

Comparing instrumentation valves and tube fittings with domestic and abroad

一旦处理厂开始运营，AMS设备管理器将提供在线查阅仪表和阀门诊断，让问题在影响到处理厂运作之前得到解决。

When the plant is operational , AMS Device Manager will provide online access to instrument and valve diagnostics allowing problems to be resolved before they affect plant operations .

天然气中的粉尘影响仪表、阀门设备正常运行。

The dust in natural gas severely affects regular operation of instruments and valves .

当要求防爆时，可用防爆仪表、阀门和传感器；

When blast protection is required , a blast protection instrument , valves and sensors can be used .

电器仪表、阀门等配件按标准规定进行校准，并挂标签。

Spare parts such as electric instruments , valves should be calibrated according to standards , and hanged with tags .

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 .

介绍了气系统设计中空压机和气罐选择与布置，管路、仪表、阀门的布置，以及压缩空气系统的自动控制设计。

This paper introduces the selection and arrangement of the air compressor and the air tank in the design of the gas system , the arrangement of the pipelines , instruments and valves , and the automatic control design of the air compression system .

主营自动化仪表，工业阀门及配套的相关机电产品。

Main instrumentation , industrial valves and supporting the relevant products .

用微型计算机、测量仪表和自控阀门系统来计量控制贮罐液体的贮料量，入料量和出料量，具有计量精度高、运行稳定可靠、经济效益好等优点。

A microcomputer control system that includes computer , measuring instrument and automatic valves for the control of metering the material out in and remains is featured by its high accuracy , reliable operation and economic benefit , etc.

设备控制级以S7-200PLC为控制核心，通过检测各种现场参数完成了对现场各种仪表、电机、阀门、开关量等的综合监测和控制；

The equipment layer regards S7-200 PLCs as core of the control . It makes synthetical monitoring and control to various kinds of instruments , electrical machinery , valve , switch and so on in the scene through measuring various kinds of parameters on-the-spot .

所以只能采取人工操作通过且观察仪表，手动操作阀门来控制反应。

Only used manual operation to adjust valve as to manipulate reactor by watching instrument panel .

确定了各主要设备、仪表、管道、阀门、泵和储罐等的规格和材料，同时编制了开停车操作手册，为工业装置的设计建造和运行积累经验。

The specification and material of main equiments such as reactor , distillation colunm , flash drum , apparatus , pipe , vavle , pump and tank is confirmed . The operation manual is worked out and gain experience for industrial construction and operation .