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Swivel joints

Swivel joints
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Swivel joints

Product catalog summary
Introduction
Filton Limited, founded in 1942, specializes in manufacturing swivel joints and rotary seals, prioritizing quality through rigorous inspections and pressure testing.
Health and Safety
Proper installation of swivel joints is crucial for safety. Regular inspections are necessary to prevent hazardous leakages that could lead to bearing seizure and significant leakage.
Swivel Joints Overview
Swivel joints enable leakproof fluid transfer in rotating machinery, suitable for factory environments with clean, abrasive-free fluids.
Specifications and Applications
  • NHP Swivel Joint: Designed for slow, occasional movements, suitable for water, mineral oils, and lubricated air. Max pressure: 85 bar, temperature: 100°C.
  • LD Swivel Joint: For slow continuous rotation, suitable for water, oils, and natural gas. Max pressure: 10 bar, temperature: 100°C.
  • XP Swivel Joint: For high-pressure systems with slow rotation. Max pressure: 200/400 bar, temperature: 80°C.
  • XP/RS and XP/MT Swivel Joints: Double channel units for slow rotation. Max pressure: 300/400 bar, temperature: 80°C.
  • XP/MO Swivel Joint: Double channel with 'O' ring seal. Max pressure: 300/400 bar, temperature: 80°C.
Special Swivel Joints
Custom solutions are available for specific applications, including multi-port swivel joints and leakage detection systems.
Other Products
Filton manufactures rotary unions for fluid transfer in rotating machinery, with pressures up to 70 bar and speeds up to 3000 rpm. Custom designs are available for special requirements.
Mechanical Seals
The ROLTAC® Mechanical Seals range includes balanced internally mounted seals conforming to DIN 24960 standards for shaft diameters between 25 to 100mm, and externally mounted seals for diameters from 19 to 75mm, also available for imperial-sized shafts.
Air Breather Filters
These filters equalize pressure and prevent abrasive ingress in closed chambers, with sizes from R1/8" to R11/4" and filter elements retaining particles from 5 to 65 micrometres.
Specialist Seals
Filton addresses unique rotary shaft sealing applications that standard seals cannot resolve, using their extensive experience and data bank.
Contact Information
Filton Limited is located at Caswell Road, Sydenham Industrial Estate, Royal Leamington Spa, CV31 1QF, England. Contact via telephone at (01926) 423191 or telefax at (01926) 450610. More information is available on their website www.filtonltd.co.uk.
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Catalog excerpts

Swivel joints-1

FILTON SWIVEL JOINTS technical manual

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Swivel joints-2

FILTON SWIVEL JOINTS • AN INTRODUCTION What are Swivel Joints? Swivel Joints are sealing devices which allow the leakproof transfer of fluid to and from slow and intermittent rotating machinery. These products are intended for use in a factory environment. Contact us if the installation is subjected to climatic conditions. A few typical applications are shown on p3. Fluids should be free of abrasive particles and water systems should be treated if “scaling” is likely to occur. The majority of FILTON SWIVEL JOINTS use industrial standard ball bearings. These have the distinct advantage that spare...

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Swivel joints-3

SWIVEL JOINTS • TYPICAL APPLICATIONS PIPE MOVEMENT SUPPLY FLEXIBLE HOSE SWIVEL JOINT Where pipework connections are made with flexible hose and movement occurs the hose can have a short life. Remove the strain by using a FILTON SWIVEL JOINT FLEXIBLE HOSE SUPPLY 1 DOUBLE FLOW SWIVEL JOINT INDEXING MACHINES DISTRIBUTOR A double flow FILTON SWIVEL JOINT can be used to supply pneumatic or hydraulic services for functional or sensing purposes on a semi rotary machine table. INDEXING TABLE SWIVEL JOINT HOSE REELS A FILTON SWIVEL JOINT will allow leak proof transfer from a bulk supply tank to a hose...

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Swivel joints-4

Circlip - carbon spring steel Washer - steel, zn plated ‘O’ rings - nitrile rubber Spindle - steel, e.ni plated SPECIALS ARE AVAILABLE SEE PAGE 10 The NHP SWIVEL JOINT is the simplest form of swivel joint used mainly for very slow occasional movements. Operational Guidelines FLUIDS Water, mineral oils and lubricated compressed air. * Flow at a velocity of 3 m/s ▲ Flow of free air at 15 m/s and 6 bar All fluids must be clean and free of abrasive and corrosive elements. PRESSURE 85 bar maximum. (For 40 (11/2”) and 50 (2”) maximum pressure for compressed air is 20 bar.) SPEED Slow intermittent rotary...

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Swivel joints-5

Body - steel Seal - nitrile rubber Circlip - spring steel Ball bearings Circlip - spring steel SPECIALS ARE AVAILABLE SEE PAGE 10 The LD SWIVEL JOINT is generally used for slow continuous rotation and intermittent angular movements for modest pressures. Operational Guidelines FLOW CAPACITY FLUIDS Water, mineral oils, lubricated air and natural gas (see page 11 for specials if general gas leakage detection is not available). Sizes 32 (11/4”) to 50 (2”) - Natural Gas on application. All fluids must be clean and free of abrasive and corrosive elements. PRESSURE 10 bar maximum * Flow at a velocity...

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Swivel joints-6

Body - steel Seal - polyurethane rubber Locking ring - steel Double row angular contact ball bearing Locking ring - steel Spindle - steel, hard chromed on sealing surface SPECIALS ARE AVAILABLE SEE PAGE 10 The XP SWIVEL JOINT is generally used for slow continuous rotation and intermittent angular movements for high pressure systems. Operational Guidelines FLOW CAPACITY FLUIDS Water, mineral oils and compressed air. All fluids must be clean and free of abrasive and corrosive elements. PRESSURE 200/400 bar maximum depends on size - see below For 40 (11/2”) and 50 (2”) maximum for compressed air...

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Swivel joints-7

XP/RS SWIVEL JOINT 1 Adaptor - steel Centre tube steady bearing Centre tube seal - ptfe + nitrile rubber Body - steel Seal - polyurethane rubber Locking ring - steel Double row angular contact ball bearing Locking ring - steel Spindle - steel, hard chromed on sealing surface SPECIALS ARE AVAILABLE SEE PAGE 10 The XP/RS SWIVEL JOINT is a double channel unit generally used for slow continuous rotation and intermittent angular movements. Operational Guidelines FLUIDS Water, mineral oils and compressed air. PRESSURE 300/400 bar maximum depends on size - see below * Flow at a velocity of 3 m/s ▲ Flow...

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Swivel joints-8

XP/MT SWIVEL JOINT Adaptor - steel Centre tube steady bearing Centre tube seal - ptfe + nitrile rubber Body - steel Seal - polyurethane rubber Locking ring - steel Double row angular contact ball bearing Locking ring - steel Spindle - steel, hard chromed on sealing surface 10. Sealing washer - steel and nitrile rubber 11. Plugs - steel (can be transferred to alternative ports to suit flow system) 12. Distributor - steel + tube - stainless steel SPECIALS ARE AVAILABLE SEE PAGE 10 The XP/MT SWIVEL JOINT is a double channel unit with a threaded interface for slow continuous rotation and intermittent...

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Swivel joints-9

XP/MO SWIVEL JOINT 1 Specification 1. Adaptor - steel 2. Centre tube steady bearing 3. Centre tube seal - ptfe + nitrile rubber 4. Body - steel 5. Seal - polyurethane rubber 6. Locking ring - steel 7. Double row angular contact ball bearing 8. Locking ring - steel 9. Spindle - steel, hard chromed on sealing surface 10. Sealing washer - steel and nitrile rubber 11. Distributor - steel + tube - stainless steel 12. ‘O’ rings - nitrile rubber SPECIALS ARE AVAILABLE SEE PAGE 10 The XP/MO SWIVEL JOINT is a double channel unit with an ‘O’ ring sealed interface for slow continuous rotation and intermittent...

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Swivel joints-10

SPECIAL SWIVEL JOINTS The standard SWIVEL JOINTS shown in this technical manual do not always meet the application required, we do therefore consider other applications. A simple variation from our standard product may be all that is required. Simple variations can be obtained by adding the suffix code shown below to the standard part number. We also offer a bespoke service when required. The illustrations shown below and on the opposite page gives some idea of our capabilities. SEMI - STANDARDS Connections:NPT = American taper pipe threads T = ‘R’ pipe threads (BSP Taper) WN = Weldneck ends...

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Swivel joints-11

SPECIAL SWIVEL JOINTS OVERSHAFT SWIVEL JOINTS FOR RADIAL CONNECTION The illustration on the right shows a two port Overshaft Swivel Joint for fluid transfer through radial ports into the rotating shaft. Single and multiple port systems are also possible using the same principle. FOR AXIAL CONNECTION The illustration on the left shows a two port Overshaft Swivel Joint for fluid transfer through axial ports in the Swivel Joint sleeve which rotates with the shaft. Alternatively the ports in the sleeve can exit radially outwards. PIGGYBACK SWIVEL JOINT The illustration on the right shows a Piggyback...

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