PTFE O-Ring Back-Ups | PTFE Hydraulic Anti-Extrusion Back-Up Ring | HydraPak Seals, Inc
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HPSI 8-326ST

8-326ST

PTFE O-Ring Back-Up, 1.638 X 2.004 X 0.183, Dash# 326

Part #:
8-326ST
Min. Order Qty: 1

Brand: HPSI

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HPSI

PTFE O-Ring Back-Ups are designed to support O-rings and help prevent extrusion in high-pressure and high-temperature applications. Sized according to standard AS568 O-ring dash numbers, these back-up rings feature a concave profile that provides enhanced support for 90A Buna-N O-rings. Available in solid (SOLT) and split (ST) designs, with spiral PTFE back-up rings available upon request.

Construction      :      Split
Dash Number      :      -326
Inside Diameter      :      1.638 in
Material      :      PTFE
Outside Diameter      :      2.004 in
Part Number      :      (Prefix)-(O-Ring Dash#)(Construction)
Temperature Range      :      -40° to 500°F
Width      :      0.183 in
  • PTFE construction provides durable anti-extrusion support
  • Designed for high-pressure and high-temperature applications
  • Concave profile provides enhanced support for 90A Buna-N O-rings
  • Helps prevent O-ring extrusion in demanding conditions
  • Supports improved sealing performance
  • Standard AS568 O-ring dash-number sizing
  • Available in solid (SOLT) designs
  • Available in split (ST) designs
  • Spiral PTFE back-up rings available upon request