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BP Profile, Double-Acting Hydraulic Piston Seal
Brand: Parker HannifinParker’s BP profile is a squeeze type, polyurethane cap piston seal for use in medium to heavy duty, bi-directional hydraulic applications.
This seal is primarily designed for linear applications but has been successfully used as a low speed rotary seal.
The standard material for this profile is Resilon® compound P4304D60, a proprietary Parker polyurethane offering higher wear resistance, extrusion resistance, and extended temperature range over 4304 polyurethane, compound P4304D60.
This is a proprietary Parker polyurethane offering higher wear resistance, greater extrusion resistance, and extended temperature range over standard grade polyurethanes.
The Resilon 4304 cap is energized using a resilient nitrile elastomer offering low compression set.
Features- Designed to retrofit o-ring grooves
- Easy to install
- Resists rolling and twisting in long stroke applications.
- Long life
- Extrusion resistance
- Low compression set
- Shock load resistance, and
- Excellent sealing performance at zero pressure
Specifications
Brand
Bore Diameter
- 1.5 to 8.002”, 32.0 to 200.0 mm
Color
- Brown
Elastomer Material
- NBR
Fluid Compatibility
- Petroleum-based Hydraulic Oil
Gland Depth
- 0.121 to 0.237”, 3.7 to 10.5 mm
Maximum Pressure (psi)
- Up to 7000
Maximum Surface Speed (ft/min)
- 100 (0.5 m/sec)
Maximum Working Temperature (°F)
- 275° F
Media
- Hydraulic
Minimum Working Temperature (°F)
- -65° F
Nominal Hardness
- 60D (Cap Ring) & 70A (Energizer Ring)
O-Ring Dash Size
- Various
Polymer Family
- TPU (Polyurethane)
Seal Material
- P4304D60
Thermal Application (°F)
- Expanded Low & High Temperature (250° F)