9000G Series

Steam & Hot Oil Rotary Unions MEDIA: Water, Steam and Hot OilPRESSURE: 250 psi (Water), 175 psi (Steam), 100 psi (Hot Oil)TEMPERATURE: 600ºF (Hot Oil) / 378ºF (Steam)SPEED: 700 RPMMATERIAL: Cast iron housing with stainless steel or plated sleeveTHREADS: 1/4 Inch to 3 Inch NPT, BSP Threads Available, Flange FEATURES & BENEFITS SUPERIOR SEALING PERFORMANCEBellows…

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8000 Series

Steam & Hot Oil Rotary Unions MEDIA: Steam and Hot OilPRESSURE: 175 psi (Steam), 100 psi (Hot Oil)TEMPERATURE: 450ºF (232ºC) Steam / 600ºF (316ºC) Hot OilSPEED: 600 RPMMATERIAL: Cast Iron Housing with Stainless Steel Sleeve, Steel Shaft with Hardened Nickel PlatingTHREADS: 2 Inch to 4 Inch NPT, BSP or ISO228 Available, Quick Release FEATURES & BENEFITS…

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2000 Series

Steam & Hot Oil Rotary Unions MEDIA: Water, Hot Oil and AirPRESSURE: 150 psi (Water), 100 psi (Air & Hot Oil)TEMPERATURE: 375ºF (190ºC) / 550ºF (288ºC)SPEED: 500 RPMMATERIAL: Cast iron housing, steel shaftCONNECTIONS: 2 Inch to 4 Inch ASA Flange FEATURES & BENEFITS HEAVY DUTY DESIGNDesigned with two ball bearings spaced to withstand radial and…

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1650 Series

Multi-Port Rotary Unions MEDIA: Water, Air and Hydraulic FluidPRESSURE: 2900 PSITEMPERATURE: 250ºCSPEED: 1500 RPMMATERIAL: Nickel plated steel (Also available in stainless with a hardened ceramic shaft for higher speed and longer life.)THREADS: 1/4 Inch to 1 Inch NPT, BSP & BSPP Available FEATURES & BENEFITS TWO PORT DESIGNThe 1650 Series rotary union features two ports…

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1600 Series

Multi-Port Rotary Unions MEDIA: Water, Air and Hydraulic FluidPRESSURE: 2900 PSITEMPERATURE: 250ºF (122ºC)SPEED: 1500 RPMMATERIAL: Nickel plated steel (Also available in stainless with a hardened ceramic shaft for higher speed and longer life.)THREADS: 1/4 Inch to 1 Inch NPT, BSP & BSPP Available FEATURES & BENEFITS TWO PORT DESIGNThe 1600 Series rotary union features two…

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HPMC/HSMC Series

Multi-Port Rotary Unions MEDIA: Water, Air and Hydraulic FluidPRESSURE: 170 psi (HSMC), 5,880 psi (HPMC)TEMPERATURE: 248ºF (120ºC)SPEED: 3,000 RPM (HSMC), 180 RPM (HPMC)MATERIAL: Nickel plated steelTHREADS: 3/8 Inch to 3/4 Inch NPT or BSP FEATURES & BENEFITS HIGH PRESSURE OR HIGH SPEED APPLICATIONSDuff-Norton multi-port rotary unions are available in both high pressure (HPMC Series) and…

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600 Series

General Purpose Rotary Unions MEDIA: Water, Air and Hydraulic FluidPRESSURE: 3625 PSITEMPERATURE: 250ºF (122ºC)SPEED: 1500 RPMMATERIAL: Nickel treated carbon steel construction or stainless steelTHREADS: 1/4 inch to 1 inch NPT or MT, BSP & BSPP Available FEATURES & BENEFITS TWO CONFIGURATIONS OFFEREDEither axial (straight through) nickel plated housing or radial (90 degree) inlet with aluminum…

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9000 Series

General Purpose Rotary Unions MEDIA: Water, Steam, Hot OilPRESSURE: 250psi (Water), 175 psi (Steam), 100 psi (Hot Oil)TEMPERATURE: 375ºF (190ºC)SPEED: 700 RPMMATERIAL: Cast iron housing with stainless steel or plated sleeveTHREADS: 1/4 Inch to 3 Inch NPT, MT, BSP, and flanged connection available FEATURES & BENEFITS ADVANCED SEALING SYSTEMThe Bellows Sealing System provides superior sealing…

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5000 Series

General Purpose Rotary Unions MEDIA: Water, Steam, Hot Oil, and AirPRESSURE: 750 / 120 / 300 PSITEMPERATURE: 300ºF (149ºC) / 350ºF (177ºC) / 395ºF (202ºC)SPEED: 1000 RPMMATERIAL: 300 grade stainless steel Multiple Seal Design Options 5000 Series (Standard)Carbon graphite against a ceramic coated steel seal design offers long life5000 ASM SeriesDuff-Norton’s Advanced Seal Materials (ASM)…

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DWA Series

General Purpose Rotary Unions MEDIA: Water, Non-Corrosive Fluids, and OilPRESSURE: 200 psi (1.38 MPa), 180 psi – 2 inch size only (1.24 MPa)TEMPERATURE: 158°F (70°C), 159°F (71°C – 100°C): Reduce pressure rating 15%SPEED: 1750 RPM, 1750 – 3500 RPM: Reduce pressure rating 20%MATERIAL: Silicon carbide with carbon graphite seal facesTHREADS: 1/2 Inch to 2 Inch NPT, BSP &…

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