Products search Shop By Category Questions? Email us!sales@mackvacuum.com AdaptersCF 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 Only – FREE STUFF!Custom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsCENTER RING, ISO 320, VITON, ALUM., RETAINER$90.92Product Code: MKISO320CRAR Category: ISO,LF Flanges and FittingsAlum. Centering Ring with Viton O-ring +Alum. RetainerAvailability: In stock CENTER RING, ISO 320, VITON, ALUM., RETAINER quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.A(inch)B(inch) CallCall Related products CENTER RING, ISO 80, VITON, ALUM., RETAINER $24.24 Sale! ADAPTER, 1/4″ MALE NPT, KF (QF) 16, 304 SS $46.28 $33.00 (out of stock) TEE, ADAPTIVE, KF (QF) 40 to 1/8″ FEMALE, NPT, ALUM $81.00 TEE, ADAPTIVE, KF (QF) 16 to 1/8″ FEMALE, NPT, ALUM $65.57