Products search Shop By Category Call 866-674-6225AdaptersCF Flanges and FittingsHigh Vacuum Bellows SS HosesValvesWeld TubesISO Flanges and FittingsKF (QF) Flanges and FittingsAlcatel Vacuum Pump PartsLeybold Vacuum Pump PartsPfeiffer Vacuum Pump PartsWelch Vacuum Pump PartsGreases – SuppliesVacuum Rated HosesUniversities OnlyPressure Measurement VacuumCustom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsKF Centering Ring w/ Viton O-ring and Spacer RingShopKF (QF) Flanges and FittingsKF Centering Ring w/ Viton O-ring and Spacer Ring Showing all 4 results Default sortingSort by popularitySort by latestSort by price: low to highSort by price: high to lowSort by name: A-ZSort by name: Z-A CENTER RING, KF (QF) 16, VITON, OVERPRESSURE RING, 304 SS $11.48 CENTER RING, KF (QF) 25, VITON, OVERPRESSURE RING, 304 SS $12.77 CENTER RING, KF (QF) 40, VITON, OVERPRESSURE RING, 304 SS $13.14 CENTER RING, KF (QF) 50, VITON, OVERPRESSURE RING, 304 SS $16.15