Piston U-Cup Seal
Series 201: Piston U-Cup Seal
The 201 Series Piston U-Cup seal is used in a variety of standard-duty applications. Its asymmetrical design ensures that the seal lip forces are optimized for every cross section and diameter. Manufactured in a variety of materials and sizes from 6 mm up to 2100 mm in standard or custom diameters.
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 2100 mm
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 2100 mm 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 fl uids (HFC) | -20…+55 | -5….+130 | -30…+40 | -20…+100 |
| polyol esters (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.
