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PSP Profile, Double-Acting Hydraulic Piston Seal
Brand: Parker HannifinParker’s PSP Profile is a squeeze type, polyurethane cap style piston seal for use in light to medium duty, bidirectional hydraulic applications.
Available from proprietary Parker polyurethanes, the PSP offers low friction, abrasion and extrusion resistance.
The lathe-cut nitrile elastomer energizer ensures resistance to compression set to increase seal life.
The PSP profile’s geometry provides a fluid reservoir between the two sealing lips which holds system fluid, resulting in reduced breakaway and running friction.
Features- Designed to retrofit grooves for a single o-ring or an o-ring with two back-ups (wide)
- Easy to install
- Resists rolling and twisting in long stroke applications.
Specifications
Brand
Bore Diameter
- 0,625 to 8.000”
Color
- Tan, Yellow, Aqua
Elastomer Material
- NBR
Fluid Compatibility
- Petroleum-based Hydraulic Oil, Water, Depending on Material
Gland Depth
- 0.121 to 0.237”
Length Unit of Measure
- inch
Maximum Pressure (psi)
- Up to 5000
Maximum Surface Speed (ft/min)
- 100 (0.5 m/sec)
Maximum Working Temperature (°F)
- 275° F
Media
- Hydraulic
Minimum Working Temperature (°F)
- -35° F
Nominal Hardness
- 90A (Cap Ring) & 70A (Energizer Ring)
O-Ring Dash Size
- Various
Polymer Family
- TPU (Polyurethane)
Thermal Application (°F)
- Varies Depending on Material