Back-up Ring Dynamic Seals
from Jinshiling (Heyuan) Technology Co., Ltd.
Our PTFE backup rings are engineered to withstand a wide range of chemicals, making them an ideal choice for applications involving harsh substances. Whether it ’s oils, gases, or other aggressive media, these rings maintain integrity and performance, offering you peace of mind no matter the... [See More]
- Seal Type: Oil / Grease Seal; Hydraulic / Pneumatic Seal; Back-up Ring
- Operating Temperature: -328 to 500
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
from CT Gasket & Polymer Co., Inc.
Backup rings are made of a relatively hard material. They are installed in the gland between an O-ring (or an X-ring) and the low-pressure side of the seal to prevent the O-ring from being forced into the extrusion gap. Backup rings are commonly used when an application operates under pressures... [See More]
- Seal Type: Back-up Ring
- Pressure: 1500
from Shenzhen Dechengwang Technology Co., Ltd
Back-up rings are also known as anti-extrusion rings since their main function is to prevent o-rings from entering the clearance gaps due to internal pressure. They avoid the seal from experiencing premature failure. Backup rings are not seals themselves, but are used in conjunction with O-rings or... [See More]
- Seal Type: Oil / Grease Seal; Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polyetheretherketon (PEEK) Polytetrafluoroethylene (PTFE)
from KC Seals, Inc.
Relatively hard, high modulus ring (or similar device) placed in the gland between the O-ring and the groove side walls, to prevent extrusion of the seal into the clearance gap; also known as a back-up ring. Our styles can vary from standard to custom designed sizes. K.C. Seals has been supplying... [See More]
- Seal Type: Back-up Ring
from Precision Associates Incorporated
PAI Kurv-Bak ™ hard rubber back-up rings can be made in a variety of materials to help prevent early seal failure at higher pressures. Back-up Rings are used for one of two purposes. Higher pressures may be sealed by using back-up rings with standard, or tightened, manufacturing tolerances. [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.1090 to 22
- Design Units: English
- Housing I.D. or Seal O.D.: 0.2330 to 22.48
from TFC Ltd.
Spiral, Single Cut and Solid PTFE as well as Rubber and Polyurethane Contoured back-up rings. [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE) (optional feature)
from Daemar Inc.
Molded of a 90A Durometer Buna-N Rubber. The 574 Style dished Cross section back-up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for easy installation. PLEASE NOTE: Sizes (Dash NO.) Corresponds to standard o-ring numbers. Part... [See More]
- Seal Type: Back-up Ring
- Radial X-section: 0.0530
- Shaft O.D. or Seal I.D.: 0.0960
from Web Seal Inc.
Web Seal offers a variety of dynamic seal types to accommodate normal to extreme environments: Back-up rings. Bearing isolators. EMI/RFI seals. Excluder seals. U-cups. V-cups. Wipers. Mechanical seals. Oil seals. Piston seals. Polypaks. Radial seal shafts. Spring-loaded seals. Thrust washers [See More]
- Seal Type: Oil / Grease Seal; Hydraulic / Pneumatic Seal; Exclusion Seal; Bearing Isolator; Back-up Ring
from IBT Industrial Solutions
IBT Industrial Solutions is the expert in hydraulics products and hydraulic solutions. Our experience in fluid power and our wide array of hydraulics products will lead you to the best hydraulics solution for your business. We provide solutions to companies in various industries that rely on mobile... [See More]
- Seal Type: Hydraulic / Pneumatic Seal; Exclusion Seal; Back-up Ring; Piston Ring
- Seal Orientation: Rod Seal; Piston Seal
from T-LON Products, Inc.
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 Back-up Rings should be considered... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.9843 to 12.99
- Design Units: Metric
- Housing I.D. or Seal O.D.: 13.39
from G.L. Huyett
Back-up rings are used to improve performance and extend the life of O-rings by supporting them in higher working pressures. They are also used to prevent O-ring extrusion due to high systemic pressure or loose fitting parts. [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.4170 to 3.77
- Design Units: English
from Greene, Tweed & Co.
Greene, Tweed ’s new 43 back-up ring series has been specifically designed for use in AS5857 gland configurations as anti-extrusion devices in conjunction with O-rings, packings or other elastomeric seal types. A variety of high-performance materials can be provided and specifically targeted... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE)
- Seal Orientation: Rod Seal (optional feature); Piston Seal (optional feature)
from Hallite Seals International Ltd.
DESIGNHallite backups are manufactured from high quality thermoplastic polyester elastomer (TPE). This tough material is long wearing with very good abrasion resistance in both dynamic and static applications and improved extrusion resistance compared to standard urethane or NBR backups. It has high... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.0620 to 18
- Design Units: English
- Housing I.D. or Seal O.D.: 0.2500 to 18.25
from Parker Hannifin / Seal Group
Parker, the global leader in motion and control technologies, develops and manufactures innovative sealing solutions to meet the challenges of today ’s vastly changing industries. From fluid power and aerospace to life sciences and solar power, Parker provides a wide range of specialty... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.0290 to 26
- Design Units: English
- Sealing Element or Lip Material (ASTM Abbreviation): Ethylene Propylene Nitrile (NBR)
from Hi-Tech Seals, Inc.
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 anti-extrusion ring... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
- Design Units: Metric
- Operating Temperature: -328 to 500
from Trelleborg Sealing Solutions Americas
Back-up Rings are installed together with O-Rings and Quad-Ring ® / X-Rings to prevent gap extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut or uncut designs in filled or unfilled PTFE, Turcon ®, elastomers and thermoplastics based on ISO 3601, AS 568. [See More]
- Seal Type: Back-up Ring; Static Seals
- Shaft O.D. or Seal I.D.: 0.1142
- Design Units: Metric
- Speed: 98.43
from Trelleborg Sealing Solutions Germany GmbH
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 spiral, cut, or uncut designs in... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.3150 to 8.27
- Design Units: Metric
- Radial X-section: 0.1220 to 0.4843
from T-LON Products, Inc.
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 Back-up Rings should be considered... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.1181 to 15.75
- Design Units: Metric
- Housing I.D. or Seal O.D.: 16.34
from Hi-Tech Seals, Inc.
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 anti-extrusion ring... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
- Design Units: Metric
- Operating Temperature: -328 to 500
from Trelleborg Sealing Solutions Americas
Back-up Rings are installed together with O-Rings and Quad-Ring ® Seals to prevent gap extrusion in applications above 5 MPa / 725 psi. Available in spiral, cut or uncut designs in filled or unfilled PTFE, Turcon ®, elastomers and thermoplastics based on ISO 3601, AS 568. [See More]
- Seal Type: Back-up Ring; Static Seals
- Shaft O.D. or Seal I.D.: 0.1142
- Design Units: Metric
- Speed: 98.43
from T-LON Products, Inc.
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 Back-up Rings should be considered... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.0800 to 15.5
- Design Units: English
- Housing I.D. or Seal O.D.: 15.74
from Hi-Tech Seals, Inc.
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 anti-extrusion ring... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
- Design Units: Metric
- Operating Temperature: -328 to 500
from T-LON Products, Inc.
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 J.I.S. standards... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Polytetrafluoroethylene (PTFE); T-LON Variants
from Hi-Tech Seals, Inc.
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 anti-extrusion ring... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
- Design Units: Metric
- Operating Temperature: -328 to 500
from T-LON Products, Inc.
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 Back-up Rings should be considered... [See More]
- Seal Type: Back-up Ring
- Shaft O.D. or Seal I.D.: 0.1090 to 15.5
- Design Units: English
- Housing I.D. or Seal O.D.: 15.74
from Hi-Tech Seals, Inc.
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 anti-extrusion ring... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Fluoroelastomer (FKM) (optional feature) Nitrile (NBR) (optional feature) Polyetheretherketon (PEEK) (optional feature) Polytetrafluoroethylene (PTFE) (optional feature) Polyurethane (optional feature)
- Design Units: Metric
- Operating Temperature: -328 to 500
from Hi-Tech Seals, Inc.
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 material will keep the O-ring material... [See More]
- Seal Type: Back-up Ring
- Sealing Element or Lip Material (ASTM Abbreviation): Nylon
- Design Units: Metric
- Operating Temperature: -65.2 to 250
from Hi-Tech Seals, Inc.
Piston cups are molded packing that have a single sidewall, complete with a sealing lip. The sealing is done by the outer lip, which is beveled and holds pressure unidirectionally. Piston cups can be used in hydraulic or pneumatic applications. Piston cups are used on the head of the piston with a... [See More]
- Seal Type: Hydraulic / Pneumatic Seal; Back-up Ring; Piston Ring
- Design Units: English
- Seal Orientation: Piston Seal
- Shaft O.D. or Seal I.D.: 2 to 6