Greene Tweed
Back-Up Ring PEEK AS568-328
Part numberGT-PEEK-328Item numberCB-ORING-040HS code4016.93
MaterialVictrex PEEK 450G
Seals & Gaskets
Backup Rings
MOQ:1
Pricing
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Product Description
Greene Tweed GT-PEEK-328 PEEK (polyetheretherketone) anti-extrusion ring. Higher creep resistance than PTFE at 250°C+. High-pressure downhole + aerospace service.
Technical Specifications
- Material
- Victrex PEEK 450G
- Standard size
- AS568-328 / 50.17×5.33mm
- Temperature range
- -60 to +260°C
- Standards
- ISO 3601-1, AS568
- Approvals
- REACH SVHC, REACH
- HS code
- 4016.93
Standards & Compliance
- Size / Series
- AS568-328 / 50.17×5.33mm
- Material
- Victrex PEEK 450G
- Temperature Range
- -60 to +260°C
- HS Code
- 4016.93
Compatibility & Fitment
Downhole oil/gas tools, aerospace actuators, high-pressure valves above 500 bar.
Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.
Product Documentation
Document preview: Back-Up Ring PEEK AS568-328 — Specification sheet
More from Greene Tweed
Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy GT-PEEK-328?
- GT-PEEK-328 can be ordered from cballast.com as a Greene Tweed catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Greene Tweed product?
- The manufacturer part number is GT-PEEK-328.
- What is the HS code for GT-PEEK-328?
- The customs tariff (HS) code for GT-PEEK-328 is 4016.93.
- Who manufactures GT-PEEK-328?
- GT-PEEK-328 is a Greene Tweed product in the Seals & Gaskets range.
- Is a datasheet available for GT-PEEK-328?
- Yes — the GT-PEEK-328 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for GT-PEEK-328?
- The minimum order quantity is 1.
- Is GT-PEEK-328 available?
- Yes — GT-PEEK-328 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).