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 ComponentsBriskHeat®CENTER RING, KF (QF) 50, VITON, 304 SS$10.99Product Code: MKKF50CR Category: KF (QF) Flanges and FittingsKF Centering Ring w/ Viton O-ringAvailability: In stock CENTER RING, KF (QF) 50, VITON, 304 SS quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.CENTER RING, KF (QF) 50, VITON, 304 SSA(inch)B(inch) 1.972.05 Related products ADAPTER, 3/4″ MALE NPT, KF (QF) 40, 304 SS $81.96 Sale! ADAPTER, 1/8″ MALE NPT, KF (QF) 25, 304 SS $46.81 $35.75 Sale! KF (QF) to Male NPT Adapter,1/2″ MALE NPT, KF (QF) 16, 304 SS $51.63 $38.87 (out of stock) ADAPTER, 1/2″ MALE NPT, KF (QF) 40, 304 SS $66.99