Overpressure Ring, KF-40 Vacuum Fittings, ISO-KF Flange Size NW-40, Stainless Steel
This overpressure ring fits over the Outer Diameter of a KF40 Centering ring with O-Ring. Use to retain O-Ring when system is used at internal pressure over atmosphere.
Overpressure Ring KF40
ISO-KF Flange Size: NW-40
Maximum Pressure: 75 psig