Used when the valve is mounted in high or out-of-reach locations, but frequent monitoring of the valve position is required.
用于当阀门安装在高处或无法靠近的地方时，但是有需要经常观察阀门开启位置的情况。
2
The pressure control system consists of an aft outflow valve, forward outflow valve, pressure controller, control panel, pressure sensing inputs, and monitoring indicators.
压力控制系统包括一个外流阀、前外流阀、压力控制器、控制面板、压力传感器和监视器。
3
In order to strengthens monitoring the boiler safety valve, operators can directly and accurately estimate the act of safety valve, Its necessary to install safety valve alarm and monitoring system.