RB Rod Buffer Seal | Hydraulic U-Cup Buffer Seal | HydraPak Seals, Inc
Notice: 10% tariff fee now in effect.

RB303500

RB Urethane Rod Buffer Seal, 3-1/2 X 0.235

Part #:
RB303500
Min. Order Qty: 1

Brand: HPSI

loading
loading

HPSI

The RB Rod Buffer Seal is a U-cup style buffer seal designed for tandem rod sealing systems and high-load hydraulic applications. Its asymmetric lip profile, chamfered sealing edges, and pressure-relieving design help prevent pressure entrapment while absorbing impact pressure fluctuations to protect the primary rod seal and extend its service life. RB-BU versions include a polyacetal back-up ring for added extrusion resistance

Groove Diameter      :      4.116 in
Inside Diameter      :      3-1/2 in
Material      :      Urethane/Polyacetal
Part Number      :      (Prefix)-(C/S)(ID)
Pressure Range      :      0 TO 8,000 PSI
Temperature Range      :      -40° to 230°F
Width      :      0.235 in
  • Asymmetric sealing lip profile provides reliable buffer sealing
  • Pressure-relieving design helps prevent pressure entrapment in tandem sealing systems
  • Absorbs impact pressure fluctuations under high-load conditions
  • Helps extend the service life of the primary rod seal
  • RB-BU versions include a polyacetal back-up ring for added extrusion resistance

    • HPSI
    • H O-Ring Loaded Urethane U-Seal, 1-1/2 X 1-7/8 X 5/16, Type B Style

    • H18-1.50-31B
    • HPSI
    • 90A Nitrile Back-Up Ring, 7.018 X 7.254 X 0.118, Dash# 262

    • 8-262N90