Vacuum Security Valve Isv-M6 for Maintenance of Vacuum If One or More Suction Cups with in a Group Fail to Make Contact with The Workpiece. Size=M6, Ejector Pulse Suitability=<= 8 bar, Assembly Position=Any, Operating Pressure=-0, 95 - 0 bar, Required Suction Rate at-0.5 bar=2 L/Min, Festo