Preliminary Discussion on the Selection of Pressure Elements

in Constant Pressure Water Supply System

Mao Hongshan（Jiangsu China Nuclear Industry Huawei Engineering Design and

Research Company Ltd.，Nanjing 210019，China）

Abstract Constant pressure water supply system controls the start-up and stop of a booster pump accordance to the pipeline network pressure. In view of this，an analysis is made of the advantages and disadvantages of several kind of pressure elements such as electric connection point pressure meters.

Key words　Constant pressure water supply system　Pressure element　Electric connection point pressure meter　Pressure controller　Pressure transmitter

摘　要　恒压供水系统根据管网压力控制加压水泵的启停，结合以往工程的运行经验，分析比较了电接点压力表等几种测压元件的优缺点。

关键词　恒压供水系统 测压元件 电接点压力表 压力控制器 压力变送器