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, ALUMINUM$7.07Product Code: MKKF50CRA Category: KF (QF) Flanges and FittingsKF Alum. Centering Ring w/ Viton O-ringAvailability: In stock CENTER RING, KF (QF) 50, VITON, ALUMINUM quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.CENTER RING, KF (QF) 50, VITON, ALUMINUMA(inch)B(inch) 1.972.05 Related products ADAPTER, 1/2″ MALE NPT, KF (QF) 40, 304 SS $66.99 TEE, ADAPTIVE, KF (QF) 40 to 1/8″ FEMALE, NPT, ALUM $81.00 ADAPTER, 1/4″ MALE VCR, KF (QF) 16, 304 SS $54.96 Sale! ADAPTER, 1/8″ MALE NPT, KF (QF) 16, 304 SS $45.32 $29.00