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 OnlyPressure Measurement VacuumCustom Vacuum Components / Vented ScrewsGS Series Ball ValvesSuper Sale Items316 Stainless Steel ComponentsREDUCER, CONICAL, KF (QF) 50 X KF (QF) 40, 1.57″ L, 304 SS$53.03Product Code: MKKF5040RC Category: KF (QF) Flanges and FittingsKF Conical ReducerAvailability: In stock REDUCER, CONICAL, KF (QF) 50 X KF (QF) 40, 1.57" L, 304 SS quantity Add to cart Free Shipping on Orders Over $100**Exclusions apply. See Shipping & Return Policy for details.REDUCER, CONICAL, KF (QF) 50 X KF (QF) 40, 1.57″ L, 304 SSA(inch)B(inch)C(inch)D(inch)2.952.061.622.17Related products TEE, ADAPTIVE, KF (QF) 16 to 1/4″ FEMALE, NPT, ALUM $69.43 Sale! ADAPTER, 1/4″ MALE NPT, KF (QF) 16, 304 SS $46.28 $33.00 (out of stock) ADAPTER, 1/2″ MALE NPT, KF (QF) 40, 304 SS $66.99 TEE, ADAPTIVE, KF (QF) 50 to 1/8″ FEMALE, NPT, ALUM $90.64