The Festo solenoid valve VSVA-B-M52-MH-A2-1R5L with central plug, round design M12x1. It has standards-based valve to ISO 5599-1 and sub-base. Valve function=5/2 monostable, Type of actuation=electrical, Width=18 mm, Standard nominal flow rate=550 l/min, Operating pressure=3 - 8 bar