Ideal Vacuum P108632 KF-40 Centering Ring Restrictor

The Ideal Vacuum P108632 KF-40 Centering Ring Restrictor is a precision accessory for KF/DN40 vacuum flange systems. This unit is a blank restrictor (no orifice) designed to center and seal the KF-40 O-ring while providing a solid, unobstructed connection point. It ships with a Buna-N (Buna) O-ring for reliable sealing in general vacuum and rough-vacuum applications.

Use this centering ring when you need a neat, dependable KF-40 joint without flow restriction — ideal for blanking off ports, alignment, or when you want to preserve a sealed flange ready for future modification.