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) 40, VITON, OVERPRESSURE RING, 304 SS$13.14Product Code: MKKF40CRR Category: KF (QF) Flanges and FittingsKF Centering Ring w/ Viton O-ring and Spacer RingAvailability: In stock CENTER RING, KF (QF) 40, VITON, OVERPRESSURE RING, 304 SS quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.CENTER RING, KF (QF) 40, VITON, OVERPRESSURE RING, 304 SS Related products Sale! ADAPTER, 1/2″ MALE NPT, KF (QF) 25, 304 SS $61.71 $38.50 ADAPTER, 1/4″ MALE VCR, KF (QF) 16, 304 SS $54.96 Sale! ADAPTER, 1/8″ MALE NPT, KF (QF) 25, 304 SS $46.81 $35.75 CENTER RING, KF (QF) 25, VITON, OVERPRESSURE RING, 304 SS $12.77