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.

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Learn more about System Seals

Download the System Seals Steel and Metal Processing catalog to learn more about our proprietary seals and how we help steel and aluminum mills save millions of dollars in uptime and productivity.

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