1.Name:brass boiler safety valve for air compressor 2.Thread:1/4 ... 1.5Mpa 4.Design for your us The brass boiler safety valve is applicable for the air compressor, ... air storage exceeds allowable value, the safety valve will open automaticallly and then discharge. When ... , homemade digital control lathe,air test device, special painting line, ect.Nameoperating tempretureoperating pressure(Mpa)connection ...