DT Spare Parts 4.60923 4-circuit-protection valve, M16 x 1,5, M22 x 1,5, max. 20 bar, Po21: 7 bar, Po22: 7 bar, Po23: 7 bar, Po24: 7 bar, Pc21: 6.7 bar, Pc22: 6.7 bar, Pc23: 6.7 bar, Pc24: 6.7 bar 4-circuit-protection valve