Roller Lever Valve R/O-3-Pk-3 with Barbed Fitting Connection for Tubing Nd 3 Mm. Depending On the Choice of Connections, Normally-Open or Normally-Closed Function. Valve Function=3/2 Open/Closed, Monostable, Type of Actuation=Mechanical, Standard Nominal Flow Rate=80 L/Min, Operating Pressure=0 - 8 bar, Design Structure=Piston Seat, Festo