Pressure Relief Valve
Pressure relief valves are fitted into the adjoining pipework of a blower. They are set just above the blower's intended maximum pressure and will open to release excess pressure in the line to protect the blower from overheating and seizing.
Pressure relief valves are available upto a discharge pressure of 1000mbar (1bar)
As there are many different pressure relief valves available, it is always recommended that you know the make, model and settings of the relief valve you are looking to replace.
Alternatively, the connection size, system pressure and airflow would be required for us to suggest an appropriate valve for your situation.