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AI Overview
PEEK back-up rings are specialized, precision-machined support rings for high-pressure sealing systems, typically made to order rather than stocked in standard sizes. They are often sourced from industrial seal distributors like Gallagher Fluid Seals or [East Texas Seals](https://www.easttexasseals.com/vict，which provide engineered, custom solutions.
Where to Find PEEK Backup Rings:
- Custom/Specialty Suppliers: Because PEEK is rigid, these are typically custom-machined for specific hardware. Contact specialized companies like Gallagher Fluid Seals for engineering support.
- Industrial Seal Distributors: East Texas Seals distributes Victrex PEEK backup rings.
- Online Industrial Suppliers: McMaster-Carr offers a wide range of, although mostly PTFE, backup rings with fast delivery.
- General Backup Rings: While PEEK is specific, Fastenal and American Packing & Gasket stock standard Buna-N and PTFE (Teflon) backup rings.
Given that PEEK rings usually require precise specifications, contacting a custom seal manufacturer or a specialized distributor like Gallagher is the most reliable option for locating them.
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Web results
Backup O-Rings - Grainger Industrial Supply
Grainger
https://www.grainger.com › hardware › o-rings-o-ring-kits
Grainger
https://www.grainger.com › hardware › o-rings-o-ring-kits
Backup O-rings are circular, donut-shaped gaskets that install in front of, in the back of, or on both sides of standard O-rings to provide a tighter seal.Read more
Backup Rings
Fastenal
https://www.fastenal.com › O-Rings and O-Ring Kits › B...
Fastenal
https://www.fastenal.com › O-Rings and O-Ring Kits › B...
#011 0.327"ID x 0.433"OD 0.053" Cross Section PTFE Split Backup Ring 10Ct. SKU920158577. Mfg. FASTENAL APPROVED VENDOR. Online Price$14.33/ package.Read more
store rating (10)30-day returns
VICTREX PEEK BACKUP RINGS - East Texas Seals
easttexasseals.com
https://www.easttexasseals.com › victrex-peek-backup-ri...
easttexasseals.com
https://www.easttexasseals.com › victrex-peek-backup-ri...
This innovative PEEK material is known for its superior performance characteristics, offering outstanding mechanical, thermal, and chemical resistance ...Read more
PEEK Back-Up Rings
Gallagher Fluid Seals
https://www.gallagherseals.com › blog › the-pros-and-co...
Gallagher Fluid Seals
https://www.gallagherseals.com › blog › the-pros-and-co...
With a durometer around 85 Shore D and an upper temperature rating of close to 500°F, PEEK is an optimum material for high performance back-up rings.Read more
O-Ring Backup Rings
McMaster-Carr
https://www.mcmaster.com › products › o-ring-backup-r...
McMaster-Carr
https://www.mcmaster.com › products › o-ring-backup-r...
Choose from our selection of O-ring backup rings, including over 300 products in a wide range of styles and sizes. Same and Next Day Delivery.
Back Up Ring Peek
JST-Seals
https://www.jst-seals.com › back-up-ring-peek_sp
JST-Seals
https://www.jst-seals.com › back-up-ring-peek_sp
OEM back up ring peek with reasonable price. More back up ring peek Solutions welcome to contact us!
People also ask
How does a back up ring work?
Back-up rings are aptly named as they do just that: they back-up an O-ring. Back-up rings are commonly nothing more than a ring of polymer meant to space the O-ring away from the extrusion gap in hardware. By blocking off the extrusion gap, the pressure-handling ability of an ordinary O-ring is greatly increased.
PEEK Back-Up Rings - Gallagher Fluid Seals
Gallagher Fluid Seals
https://www.gallagherseals.com › blog › the-pros-and-co...
Gallagher Fluid Seals
https://www.gallagherseals.com › blog › the-pros-and-co...
What is a backup ring for an O-ring?
A backup ring is a ring of hard, extrusion resistant material such as high-durometer Nitrile, Viton® (FKM), or PTFE. A backup ring is designed to fit between the o-ring and the extrusion gap and prevent the extrusion of the o-ring.
Backup Rings - Global O-Ring and Seal
Global O-Ring and Seal
https://www.globaloring.com › backup-rings
Global O-Ring and Seal
https://www.globaloring.com › backup-rings
Web results
Backup Rings
callapg.com
https://www.callapg.com › o-rings-backup-rings
callapg.com
https://www.callapg.com › o-rings-backup-rings
APG's O-Ring Backup Rings are secondary sealing components, available in solid or cupped profiles, designed to support primary O-Rings in high-pressure static ...Read more
Free delivery over $9930-day returns
PEEK Back-Up Rings
M&P Flange & Pipe Protection
https://m-p.com › peek-back-up-rings
M&P Flange & Pipe Protection
https://m-p.com › peek-back-up-rings
PEEK back-up rings are precision-machined plastic support rings designed to prevent O-ring extrusion in high-pressure sealing systems.
Local Results
Places
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Standard 5 & 10 Ace and Stan's Kitchen
· Hardware store
3545 California St · (415) 751-5767
Closes soon · 7 PM
REI
· Camping store
840 Brannan St · (415) 934-1938
Open · Closes 9 PM
Web results
Back-up Rings, Anti-extrusion Rings
AHP Seals
https://ahpseals.com › back-up-rings
AHP Seals
https://ahpseals.com › back-up-rings
Back-up rings provide added extrusion resistance and prevent damage to O-rings and seals when subjected to high pressures, larger extrusion gaps, ...Read more
PEEK Seal ring - China plastic supplier
peekmaterials.com
https://peekmaterials.com › peek-parts › peek-ring
peekmaterials.com
https://peekmaterials.com › peek-parts › peek-ring
PEEK Seal Ring Advantage · have outstanding sealing pressure · chemically and thermally resistant · compact seals with standard O-ring grooves according to AS 568A.Read more