service unit combination MSB4-1/4:C3J1F3-WP Consisting of manual on-off valve, filter regulator, branching module including pressure switch without indicator and wall mounting plate. 12 bar maximum output pressure, 40 µm filter, with pressure gauge, lockable regulator head, plastic bowl with plastic bowl guard, manual condensate drain, direction of flow: from left to right. Size=4, Series=MS, Actuator lock=(* Rotary knob with lock, * with accessories, lockable), Assembly position=Vertical +/- 5°, Grade of filtration=40 µm Size 4 Series MS Actuator lock Rotary knob with lockwith accessories, lockable Assembly position Vertical +/- 5° Grade of filtration 40 µm Condensate drain manual rotary Design structure Branching moduleOn/off valveFilter regulator with pressure gauge Controller function Output pressure constantwith initial pressure compensationwith secondary exhaustwith return flow Bowl guard Plastic guard Pressure gauge with pressure gauge Operating pressure 0.8 ... 14 bar Pressure regulation range 0.5 ... 12 bar Standard nominal flow rate 1,300 l/min