Safety Valve

https://www.aulisscomp.com/products/air-compressor-safety-valve.html

Safety Valve
Air compressor safety valve is installed on the tank, and then need to be verified by a third party before installation, the main function is that the pressure in the tank is 1.1 times higher than the rated exhaust pressure, the safety valve for compressor will automatically jump for pressure relief, so that the pressure is reduced to the rated exhaust pressure below.