Compressed air in accordance with ISO8573-1:2010 [7:4:4] inert gases. MS Series Solenoid Actuated On/Off Valves. Features and Benefits. Solenoid activated on off valves Direction of flow from left to right 3/2 closed, monostable valve function Operating pressure 4 bar to 10 bar Port connection: MS4 is G1/4, MS6 is G1/2 Flow rate: MS4 is 2000 L/min, MS6 is 7000 L/min IP65 rating RoHS compliant Corrosion resistance classification 2 (moderate corrosion stress)