4-circuit-protection valve, with sensor, M16 x 1,5, M22 x 1,5, Po21: 9 bar, Po22: 9 bar, Po23: 7.5 bar, Po24: 7.5 bar, Pc21: 6 bar, Pc22: 6 bar, Pc23: 4.5 bar, Pc24: 4.5 bar 4.64414