control valves

The HP-bypass system between the boiler outlet and cold reheat consists of an HP-bypass control valve, a feedwater stop valve and a water injection valve, for steam attemperation .

高压旁路系统锅炉出口及冷再热之间的高压旁路控制阀，给主汽阀和喷减温阀组。

By fluviograph survey water level, after clear signal processing, inputs the control water level in PLC, then carries on the control by PLC to the water level control valve to adjust the water level.

测量，进行信号处理后输入控制的PLC中，然后PLC对控制阀进行控制以调节。