Piston Seal U-Cup – Asymmetrical
Installation
Benefits
High pressure capability and wide temperature range
Excellent fluid compatibility including water-based fluids (H-PU)
Exceptional abrasion resistance
Highly extrusion resistant
Available in diameters up to 2100mm
Applications
The 201 Series Piston U-Cup is one of the most versatile seals typically used in moderate to high-pressure applications.
Typical Applications
- Single Acting Cylinders
- Mobile Hydraulics
- Hydraulic Cylinder Rebuild
- Construction Equipment
- Hydraulic Presses
- Injection Molding Machines
The 201 Series Piston U-Cup features high-grade polyurethane. Standard materials are MP03 machined H-PU, available up to 2100mm in diameter, and MP50 injection-molded TPU. To suit a variety of applications, the series is also available in NBR, H-NBR, EPDM and high temperature-resistant FPM.
Material | Code |
---|---|
Polyurethane H-PU | MP03 |
Polyurethane TPU | MP50 |
Temperature | MP03 °C |
°F | MP50 °C |
°F |
---|---|---|---|---|
hydraulic oil | -20…+115 | -5…+240 | -30…+110 | -20…+230 |
water oil emulsions (HFA) | +5…+55 | +40…+130 | +5…+50 | +40…+120 |
water-glycol fluids (HFC) | -20…+55 | -5….+130 | -30…+40 | -20…+100 |
polyolesters (HFD) | – | – | – | – |
water | +5…+55 | +40…+130 | +5…+50 | +40…+120 |
Speed | 0.5 m/s (1.6 ft/sec) | |||
Pressure | 400 bar (6000 psi) |
Note: for other materials or fluids please contact our engineering department.