Use：

boilers, pressure containers, pressure and temperature reducing devices and other facilities. It serves to prevent the pressure from exceeding the highest allowable pressure value and ensures the safety of the device when working.The safety valve GA49H-P5410V DN20 and The main safety valve A69Y-P5410V DN150 Should be installed together.

Descriptions：

This device is applicable for a steam working pressure being 11.4MPa and a working temperature ≤540℃(50MW-100MW boiler drum or overheater outlet)to prevent the medium oressure inside boilers from exceeding the allowable value to ensure safe operation of equipment.