PTFE O-Ring Back-Ups | PTFE Hydraulic Anti-Extrusion Back-Up Ring | HydraPak Seals, Inc
Notice: 10% tariff fee now in effect.

8-154SOLT

PTFE O-Ring Back-Up, 3.768 X 3.940 X 0.086, Dash# 154

Part #:
8-154SOLT
Min. Order Qty: 1

Brand: HPSI

loading
loading

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      :      Solid
Dash Number      :      -154
Inside Diameter      :      3.768 in
Material      :      PTFE
Outside Diameter      :      3.940 in
Part Number      :      (Prefix)-(O-Ring Dash#)(Construction)
Temperature Range      :      -40° to 500°F
Width      :      0.086 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

    • HPSI
    • P-V Fluorocarbon U-Seal, 3-1/2 X 4 X 1/4, Standard Style

    • P25-3.50V
    • HPSI
    • BR Rod Buffer Seal, 3-1/2 X 0.235

    • BR303500