4-circuit-protection valve, without sensor, M16 x 1,5, M22 x 1,5, Po21: 7.5 bar, Po22: 7.5 bar, Po23: 8 bar, Po24: 8 bar, Pc21: 6.5 bar, Pc22: 6.5 bar, Pc23: 6.5 bar, Pc24: 6.5 bar 7.16132