Operation To Piston. Maximum working pressure 25 bar (PN 25). Temperature Range of 0 to 130 Degrees The regulator comes Tarado to 3 bar and can be regulated from 0.5 up to 8 bar. Construction of the body in brass assembly. Seat in stainless steel AISI 304. Female – Female Threaded Ends. Socket for pressure gauge 1/4 Side For Control Of The Output Pressure. For use with water and compressed air.