This safety control valve is designed to protect system by releasing pressure surges in water network elevation lines to atmosphere quickly which is caused by sudden changes in water speed due to pumps put into/out of service.
When network pressure exceeds set point, valve opens by itself quickly and protects system by releasing over pressure.
When the pressure decreases to normal level, it is closed slowly and automatically tightly without causing surge.
Aluminium Cover with 1½“ BSP/NPT Female Threaded drain port
Cover with orange color powder coating for easy visibility on unit and longer life
Pressure Relief Setting 22 psi to 80 psi
To be installed on the header unit before the main throttle valve to protect the bursting of main & sub-main lines occurring due to development of excessive pressure / water surges