Yarbrough Industries
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Hydraulic Piston Seal

Hydraulic Piston Seal

$11.89
$11.89
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Engineered for High-Pressure Hydraulic Systems

Designed to deliver reliable, leak-free performance in demanding hydraulic cylinder applications, this piston seal provides consistent bi-directional sealing under dynamic load conditions. Built to AS568 dimensional standards, it maintains tight tolerances across a wide range of bore sizes and operating pressures — making it a dependable choice for OEM builds and MRO replacement alike.

Key Benefits

  • Bi-directional sealing for double-acting cylinder configurations
  • Low friction profile reduces heat buildup and extends service life
  • Resistant to hydraulic fluid degradation, wear, and extrusion
  • Maintains seal integrity across temperature and pressure cycling
  • Drop-in replacement compatible with standard hydraulic cylinder bores

Typical Applications

  • Industrial hydraulic cylinders
  • Mobile hydraulic equipment
  • OEM and MRO hydraulic system maintenance
  • High-cycle actuator assemblies

Select your material compound and size below to match your system's operating requirements.

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Technical specifications

SKU PSM-218
Specifications
Weight: 0.0075 lbs
Nom ID: 1-1/4
Nom OD: 1-1/2
Nom Height: .165
H Groove Diameter: 1.254
D Groove Width: .185
O Ring Dash Number: 218
Bore: 1.500
I Piston Diameter: 1.498
Material: Urethane/Nitrile
Temperature Range: -40 TO +220F
Pressure Range: 0 - 5,000 PSI
Speed: 3 FT/SEC
Product Type: Piston Seal Assembly