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Supplier: Hi-Tech Seals, Inc.
Description: Back-up rings are plastic or rubber rings used to prevent the O-ring from entering the clearance gap. When high pressures are exerted on the O-ring its soft rubber material can be forced into the clearance gap caused the O-ring to extrude. The hard
- Back-up Ring is Contoured: Yes
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Spiral Back-up Ring: Yes
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Supplier: T-LON Products, Inc.
Description: T-Lon is now offering a line of PTFE spiral back-ups. We are making available the three most popular spiral ring series of 28782, 28783, and the TF171 series. These will compliment our popular standard split and solid backups in 28774, 27595 series and the metric "G" & "P" style
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Spiral Back-up Ring: Yes
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Supplier: Greene, Tweed & Co.
Description: This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up rings while AS5782
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Greene, Tweed & Co.
Description: This series provides a part numbering system for back-up rings as per the Aerospace specifications AS5781 and AS5782. These specifications are based on virgin but pigmented PTFE materials. AS5781 is the specification for scarf-cut (split) back-up rings while AS5782
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Greene, Tweed & Co.
Description: targeted to meet the customer’s application requirements. This series provides a part numbering system for back-up rings per the Aerospace Industry specifications AS5860 and AS5861, which are appropriate for use in static glands according to AS5857. The materials shall consist of
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: Greene, Tweed & Co.
Description: targeted to meet the customer’s application requirements. This series provides a part numbering system for back-up rings per the Aerospace Industry specifications AS5860 and AS5861, which are appropriate for use in static glands according to AS5857. The materials shall consist of
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: T-LON Products, Inc.
Description: T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring hardness, operating temperature, operating pressure and clearance of the mating surface. Increased Pressure: The use of
- Axial Cross Section or Thickness: 0.1024 inch
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Shaft O.D. or Seal I.D.: 0.1181 to 15.75 inch
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Supplier: T-LON Products, Inc.
Description: T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. the amount of this extrusion is adffected b y O-ring hardness, operating temperature, operating pressure and clearance of the mating surface. Increased Pressure: The use of
- Axial Cross Section or Thickness: 0.1080 inch
- Radial Cross Section: 0.2360 inch
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Shaft O.D. or Seal I.D.: 0.1090 to 15.5 inch
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Supplier: T-LON Products, Inc.
Description: T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring hardness, operating temperature, operating pressure and clearance of the mating surface. Increased Pressure: The use of
- Axial Cross Section or Thickness: 0.1080 inch
- Radial Cross Section: 0.2360 inch
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Shaft O.D. or Seal I.D.: 0.0800 to 15.5 inch
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Description: Rectangular cross section. For static and dynamic use. Reciprocating and rotating movements possible. Material: PTFE. Back-up Rings are installed together with O-Rings and Quad-Ring® Seals to prevent extrusion in applications above 5 MPa / 725 psi. Available in
- Back-up Ring is Contoured: Yes
- Radial Cross Section: 0.1220 to 0.4843 inch
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Shaft O.D. or Seal I.D.: 0.3150 to 8.27 inch
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Supplier: TFC Ltd.
Description: Spiral, Single Cut and Solid PTFE as well as Rubber and Polyurethane Contoured back-up rings.
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
- Spiral Back-up Ring: Yes
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Supplier: Hi-Tech Seals, Inc.
Description: The primary function of anti-extrusion rings is to take up space in a groove, and/or prevent extrusion of material at high pressures. Anti-extrusion rings can also be used to assist seals where exaggerated clearance gaps are an issue. The determining factors when selecting
- Sealing Element or Lip Material: Fluoroelastomer (FKM - Viton®, Fluorel®, etc.), Nitrile (NBR - Buna-N), Polyetheretherketone (PEEK), Polytetrafluoroethylene (PTFE- Teflon®, etc.), Polyurethane / Urethane
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Supplier: Hi-Tech Seals, Inc.
Description: The primary function of anti-extrusion rings is to take up space in a groove, and/or prevent extrusion of material at high pressures. Anti-extrusion rings can also be used to assist seals where exaggerated clearance gaps are an issue. The determining factors when selecting
- Sealing Element or Lip Material: Fluoroelastomer (FKM - Viton®, Fluorel®, etc.), Nitrile (NBR - Buna-N), Polyetheretherketone (PEEK), Polytetrafluoroethylene (PTFE- Teflon®, etc.), Polyurethane / Urethane
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Supplier: Hi-Tech Seals, Inc.
Description: The primary function of anti-extrusion rings is to take up space in a groove, and/or prevent extrusion of material at high pressures. Anti-extrusion rings can also be used to assist seals where exaggerated clearance gaps are an issue. The determining factors when selecting
- Sealing Element or Lip Material: Fluoroelastomer (FKM - Viton®, Fluorel®, etc.), Nitrile (NBR - Buna-N), Polyetheretherketone (PEEK), Polytetrafluoroethylene (PTFE- Teflon®, etc.), Polyurethane / Urethane
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Supplier: Hallite Seals International Ltd.
Description: back ups in PTFE, polyurethane, and 90 IRHD nitrile rubber. Polyester backup rings are available coloured orange as standard. Other colours are available on request. Please contact your local Hallite sales office for further information.
- Shaft O.D. or Seal I.D.: 0.0620 to 18 inch
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Supplier: Kelco Industries
Description: competitive price. Some of the products that we supply to these applications include: Rod Seals Rotating Seals Guide Rings Back-up Rings Piston Seals Wiper seals Cutting/Jointing Capabilities Scarf Cut Seals
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Supplier: AGC Chemicals Americas, Inc.
Description: °C in chemical service ranging from liquid oxygen to fuming nitric acid, in severe wear pads for railway cars, and for self-lubricating compressor rings for non-aluminum cylinders. The most common applications include bearings, gaskets, V-rings, O-rings, back-up
- Chemical / Polymer System Type: Fluoropolymer (PTFE / PVDF)
- Compound Type: Pellets
- Industry: Automotive
- Material Type / Grade: Thermoplastic
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Description: Metal V-ring seal is based on a metallic "V" substrate, designed to be applied in extreme working conditions. Metal V-Ring seals for internal Pressure or external Pressure are system pressure energized, they require low bolting load and have good spring back. Due to its special
- Application / Industry: Aerospace, Chemical & Processing, Piping and Valves, Power Generation, Oil & Gas, Nuclear
- Cryogenic Application: Yes
- Material: Aluminum, Nickel / Nickel-Based Alloy, Stainless Steel, Steel
- Material Features: Heat-Treated, Plated / Coated
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Description: Metal U-ring seal is based on a metallic "U" substrate, designed to be used for static and low-cycle dynamic shaft seals. By default, Metal U-Ring seals for axial Pressure are system pressure energized, they require low bolting load and have good spring back. Due to its special
- Application / Industry: Aerospace, Chemical & Processing, Piping and Valves, Power Generation, Oil & Gas, MIL-SPEC, Nuclear, Specialized
- Cryogenic Application: Yes
- Material: Aluminum, Copper, Nickel / Nickel-Based Alloy, Stainless Steel, Steel, Titanium, Specialized or Other
- Material Features: Heat-Treated, Plated / Coated
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Description: Metal C-ring seal is based on a metallic "C" substrate, designed to be applied in extreme working conditions. By default, Metal C-Ring seals for internal Pressure or external Pressure are system pressure energized, they require low bolting load and have good spring back. Due to
- Application / Industry: Aerospace, Chemical & Processing, Power Generation, Oil & Gas, MIL-SPEC, Nuclear, Semiconductor, Specialized
- Cryogenic Application: Yes
- Material: Aluminum, Copper, Nickel / Nickel-Based Alloy, Stainless Steel, Steel, Titanium, Specialized or Other
- Material Features: Heat-Treated, Plated / Coated
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Description: Metal O-ring seal is a high-strength metallic tube designed to be applied in extreme working conditions, it's a sealing solution for high-pressure/high-t emperature applications that require limited spring back. Due to its special structure and material, Metal O-rings can be
- Application / Industry: Aerospace, Chemical & Processing, Power Generation, Oil & Gas, MIL-SPEC, Nuclear, Semiconductor, Specialized
- Cryogenic Application: Yes
- Material: Aluminum, Copper, Nickel / Nickel-Based Alloy, Stainless Steel, Steel, Titanium, Specialized or Other
- Material Features: Plated / Coated
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Supplier: S&P Global Engineering Solutions
Description: RING, GASKET, BACK-UP, PTFE
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Description: Turcon® Variseal® W2 is a single-acting rod seal consisting of a U-shaped jacket and a corrosion-resistant Slantcoil® spring. The advantage of the seal lies in its low friction and relatively constant preloading force over a large deformation range. Suitable for reciprocating and light duty rotary
- Axial Cross Section or Thickness: 0.0945 to 0.3740 inch
- Maximum Operating Pressure: 2901 psi
- Maximum Operating Speed: 2953 ft/min
- Operating Temperature: -94 to 572 F
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Supplier: Technetics Group
Description: O-FLEX™ metal O-rings are designed to provide a sealing option for high-pressure/high-t emperature applications that require minimal spring back. The O-FLEX™ metal O-ring is made from high strength metal tubing that is coiled, cut and welded to size. It is available in standard
- Application / Industry: MIL-SPEC, Nuclear, Specialized
- Material: Stainless Steel, Specialized or Other
- Material Features: Plated / Coated
- Pressure: 43511 psi
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Supplier: Seal Science, Inc.
Description: seal is exhausted. The seal is designed to have the pressure entering the “U”. Seals can be used from high vacuum to over 100,000 psi (combined with the appropriately designed back-up ring).
- Operating Temperature: -320 to 550 F
- Sealing Element or Lip Material: Polytetrafluoroethylene (PTFE- Teflon®, etc.)
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Supplier: FTL Technology
Description: Outstanding sealing efficiency Low friction coefficient and compression set Capable of sealing at high speeds, up to 15 m/s Universal chemical compatibility Good thermal resistance Withstands pressures above 2000 bar (back-up rings
- Maximum Operating Pressure: 2901 psi
- Maximum Operating Speed: 2953 ft/min
- Operating Temperature: -103 to 572 F
- Seal is Spring-energized: Yes
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Supplier: Assured Automation
Description: . Deep grooves, thick o-rings, and cushioned PTFE seats contribute to strong seals at pressures up to 232 PSI while an integral mounting flange and support bracketing combine for simple adaptation for actuation and anchoring. A full range of accessory items are available
- Actuation: Manual / Hand, Electric, Pneumatic
- Flow (Cv): 14 to 665
- Media: Water, Salt Water, Wastewater
- Number of Ports/Ways: 2
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Supplier: KZVALVE
Description: valves • Valve body: Polypropylene, EPDM O-rings • Ball: Polypropylene • Stem: 316 stainless steel • Valve seat: Virgin PTFE with EPDM back-up O-rings • Stem seal: Dual fluorocarbon O-rings
- Actuation: Electric
- Flow (Cv): 370
- Media: Air, Water, Gas, Other
- Number of Ports/Ways: 2
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Supplier: KZVALVE
Description: valves • Valve body: Polypropylene, EPDM O-rings • Ball: Polypropylene • Stem: 316 stainless steel • Valve seat: Virgin PTFE with EPDM back-up O-rings • Stem seal: Dual fluorocarbon O-rings
- Actuation: Manual / Hand
- Flow (Cv): 995
- Media: Air, Water, Gas, Other
- Number of Ports/Ways: 2
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Supplier: KZVALVE
Description: valves • Valve body: Polypropylene, EPDM O-rings • Ball: Polypropylene • Stem: 316 stainless steel • Valve seat: Virgin PTFE with EPDM back-up O-rings • Stem seal: Dual fluorocarbon O-rings
- Actuation: Electric
- Flow (Cv): 995
- Media: Air, Water, Gas, Other
- Number of Ports/Ways: 2
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Supplier: KZVALVE
Description: valves • Valve body: Polypropylene, EPDM O-rings • Ball: Polypropylene • Stem: 316 stainless steel • Valve seat: Virgin PTFE with EPDM back-up O-rings • Stem seal: Dual fluorocarbon O-rings
- Actuation: Manual / Hand
- Flow (Cv): 370
- Media: Air, Water, Gas, Other
- Number of Ports/Ways: 2
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Supplier: OMEGA Engineering, Inc.
Description: bottom housings. This design eliminates the need to refill the seal or recalibrate the instrument when the top and bottom housings are separated. A FKM O-ring, compatible with all standard fill fluids, and a PTFE back-up ring make a seal between the diaphragm capsule and
- Diaphragm Material: Hastelloy®, Monel®, Steel - Stainless, Other
- Exposed to Vacuum Pressure: Yes
- Fill Fluid: Glycerin, Halocarbon®, Silicone
- Instrument Connection Specification: Thread Gender: Female
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Supplier: Velan, Inc.
Description: bearings: Coated with nickel-reinforced PTFE for high cycle and smooth operation • Reliability: Reliability of valve operation affects service life and ease of inspection and maintenance. In order to predict reliability, a sound valve design must be backed up by a stress
- Valve Size: 6 to 42 inch
- Valve Type: Butterfly Valves, Cryogenic Valves, Other
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Supplier: RS Components, Ltd.
Description: manufactured from carbon steel, incorporate a back-up PTFE sealing ring, and carbon steel springs. Series = TGW Compatible With = Gromelle 6000 Series Type = Union Coupling Gender = Female Locking Style = Screw Lock Thread = BSP 1/4 Female Material = Carbon Steel Seal Material =
- English Size: 0.2500 inch
- Material: Carbon & Alloy Steel
- Size: English
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Supplier: RS Components, Ltd.
Description: manufactured from carbon steel, incorporate a back-up PTFE sealing ring, and carbon steel springs. Series = TGW Compatible With = Gromelle 6000 Series Type = Union Coupling Gender = Female Locking Style = Screw Lock Thread = BSP 1/2 Female Material = Carbon Steel Seal Material =
- English Size: 0.5000 inch
- Material: Carbon & Alloy Steel
- Size: English
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Supplier: Velan, Inc.
Description: : Reliability of valve operation affects service life and ease of inspection and maintenance. In order to predict reliability, a sound valve design must be backed up by a stress analysis and functional qualification testing under critical operating conditions.
- Valve Size: 6 to 48 inch
- Valve Type: Butterfly Valves, Cryogenic Valves, Other
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Supplier: Serfilco, Ltd.
Description: • DISCHARGE HEAD: Up to 25 ft. • VISCOSITIES UP TO 2000 SSU • TWO POSITION PUMP HANDLE Handle can be mounted above the pump or below. • TAMPER PROOF HANDLE Can be padlocked to protect against unauthorized use. • SELF-LUBRICATING PTFE PISTON RING
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Supplier: Bray Commercial
Description: provides quick and easy electric actuator field mounting while ensuring long life and leak-free valve performance. Graphite reinforced PTFE seats backed with EPDM O-rings significantly reduce operating torque, allowing the use of the most economical actuator to provide the
- Actuation: Manual / Hand
- Flow (Cv): 1.2 to 73.7
- Media: Water, Hot Water, Cold Water, Steam, Other
- Media Temperature: -22 to 284 F
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Supplier: Bray Commercial
Description: provides quick and easy electric actuator field mounting while ensuring long life and leak-free valve performance. Graphite reinforced PTFE seats backed with EPDM O-rings significantly reduce operating torque, allowing the use of the most economical actuator to provide the
- Actuation: Manual / Hand
- Flow (Cv): 1.2 to 73.7
- Media: Water, Hot Water, Cold Water, Steam, Other
- Media Temperature: -22 to 284 F
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Supplier: ASME Standards and Certification
Description: transmission lubricants Metalworking lubricants Process fluids as lubricants Rationalization of lubricating oils Summary back to top Chapter 5 Oil Supply Systems Advantages of oil supply systems Total loss systems Ring, disc and splash lubrication
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Supplier: ASME
Description: transmission lubricants Metalworking lubricants Process fluids as lubricants Rationalization of lubricating oils Summary back to top Chapter 5 Oil Supply Systems Advantages of oil supply systems Total loss systems Ring, disc and splash lubrication
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Precision Polymer Engineering manufactures custom back-up rings to match your specifications.
(read more)
Browse Back-up Rings Datasheets for Precision Polymer Engineering Ltd. -
-aluminum cylinders. PTFE compound applications: Bearings Gaskets V-rings/O-rings/Back-up rings Hydraulic ring seals Non-lubricated compressor rings Valve seats and liners/swivel liners Thrust washers Lip seals (read more)
Browse Resins and Compounds Datasheets for AGC Chemicals Americas, Inc. -
Fluon+ Filled PTFE Compounds are composed of pigments and fillers such as glass, carbon (read more)
Browse Polymers and Plastic Resins Datasheets for AGC Chemicals Americas, Inc. -
JETSEAL's patented metal Super C-Seal is designed as an alternative to spring loaded C-Seals for applications requiring higher spring back and a (read more)
Browse Metal Ring Seals Datasheets for JETSEAL, Inc. -
Detent Ring Pins feature a spring-loaded ball bearing that compresses and springs back up for "quick-release" applications. Used in applications with frequent removal for quick adjustment, these pins are often tethered to the application with a steel or nylon lanyard. Stock and custom sizes (read more)
Browse Industrial Pins Datasheets for Pivot Point, Inc. -
-aluminum cylinders. PTFE compound applications: Bearings Gaskets V-rings/O-rings/Back-up rings Hydraulic ring seals Non-lubricated compressor rings Valve seats and liners/swivel liners Thrust washers Lip seals (read more)
Browse Datasheets for AGC Chemicals Americas, Inc. -
or external Pressure is system pressure energized, they require low bolting load and have good spring back. Due to its special structure and material, Metal V-rings can be used in working conditions such as high temperature (up to 750°C), cryogenic (low to (read more)
Browse Metal Ring Seals Datasheets for Sonkit (Shanghai) Industry Technology Co., Ltd. -
for high-pressure/high-temperature applications that require minimal spring back. Due to its special structure and material, Metal O-rings can be used in working conditions such as high temperature (up to 750°C), cryogenic (low to -270°C), high pressure (up to 1500kgf/cm2 (read more)
Browse Metal Ring Seals Datasheets for Sonkit (Shanghai) Industry Technology Co., Ltd. -
petroleum fluids. Available in other forms for hydraulic seals such as u-cups, vee packings, wipers and back-up rings and special sealing rings. Petrloeum fluids. Water. Silicone fluids. Ehylene glycol. Amines. (read more)
Browse O-rings Datasheets for Arizona Sealing Devices, Inc. -
system pressure energized, they require high bolting load and have good spring back. Due to its special structure and material, Spring Energized Metal C-rings can be used in working conditions such as high temperature (up to 750°C), cryogenic (low to -270°C), high pressure (read more)
Browse Metal Ring Seals Datasheets for Sonkit (Shanghai) Industry Technology Co., Ltd.
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VICTREX (R) PEEK Meets NORSOK M710 Compliance and Continues to Aggressively Test its Polymers in Support of Industry-Leading Test Standards
Geoff Small, Victrex Technical Program Manager. The use of elastomeric seals and thermoplastic back up. rings is commonplace in the oil and gas industry with. ever increasing levels of ingenuity and sophistication. in their design and application. At the core of these. critical components
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NORSOK M-710 For Thermoplastic Sealing Material For Oil And Gas Industry Certified
The PTFE based and PEEK based materials are commonly used in the industry in the form of Turcon Variseal, back up rings and support rings.
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NORSOK M-710 For Thermoplastic Sealing Material For Oil And Gas Industry Certified
The PTFE based and PEEK based materials are commonly used in the industry in the form of Turcon Variseal, back up rings and support rings.
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Assessment of polymer composites for hydrodynamic journal‐bearing applications
The theory concerning transfer of material from the block to the steel ring is backed up by measure- ments showing that the steel rings gain mass during the tests. For the babbitt and pure PTFE , comparing the relative mass loss/gain for the block and ring, respectively …
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http://dspace.mit.edu/bitstream/handle/1721.1/57575/655346548-MIT.pdf?sequence=2
the friction between the o- ring mounted on the back face of the stopper and the end cap resulted in a gradual tightening of the end cap when the rod was rotated clockwise and caused the reactor to seize up . Because of this, the PTFE o-rings pictured in Figure 13 were found to be better suited …
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Determination of aliphatic amines in air by membrane enrichment directly coupled to a gas chromatograph
The PTFE blocks were backed up with aluminium blocks tightened together by6 screws. In addition, an O- ring encircling the outside of tN spiral channel ensures a tight seal.
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High-Pressure Gas Swivel To Enhance Production From Floating Units
… seal application have been performed and resulted in the selection of glass fibre PTFE as the material … To counteract this phenomenon, it may be necessary to use back up anti-extrusion rings ; trade-off between anti-extrusion characteristics and other parameters such as wear and friction had to be performed.
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Bookshelf and Unified Agenda > Department of Health & Human Services > National Institute for Occupational Safety and Health > NIOSH Manual of Analytical Metho...
Remove and discard back sorbent sections of samplers and media blanks. b. Pull up PTFE retainer ring to prevent trapping of spiking solution under ring.
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A bifunctional stopcock-winch device in cells for infrared investigations of solids
The piston is sealed by a PTFE "O" ring (E) backed The sample holder suspended on the wire (A) can be lifted up and .
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National Highway Traffic Safety Administration - 49 CFR - Part 572 - Anthropomorphic Test Devices.
A right shoulder set- up would be a mirror image of that shown in Figure W6. Seat the dummy on the qualification bench described in Figure V3 of 49 CFR 572.194, the seat pan and seat back surfaces of which are covered with thin sheets of PTFE (Teflon) (nominal stock thickness: 2 to 3mm) ( / to ⅛in … … bolts (part #5000010) that connect the upper arm assembly (020–9750) to the shoulder ball retaining ring (020–3533).