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Datasheet generated 2026-10-07
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Back-Up Ring PEEK AS568-328

Greene Tweed · Seals & Gaskets · Backup Rings · USA · gtweed.com
Part Number
GT-PEEK-328  ·  HS 4016.93
Back-Up Ring PEEK AS568-328

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

MaterialVictrex PEEK 450G
Standard sizeAS568-328 / 50.17×5.33mm
Temperature range-60 to +260°C
StandardsISO 3601-1, AS568
ApprovalsREACH SVHC, REACH
HS code4016.93

Properties

MaterialVictrex PEEK 450G
Temperature range-60 to +260°C
Standard sizeAS568-328 / 50.17×5.33mm
MOQ1

Compatibility

Downhole oil/gas tools, aerospace actuators, high-pressure valves above 500 bar.

Standards

Approvals

Attached Documents