Rod Seal U-Cup – Asymmetrical – AE Ring

Installation

Benefits

Designed specifically for large clearance applications

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 139 Series U-cup seal is typically used in high-clearance applications as a primary seal and functions well in moderate to high pressures.

Typical Applications

  • Forging and extrusion presses
  • Stamping presses
  • Mining
  • Agriculture
  • Construction equipment
  • Injection molding machines

The 139 Series rod seal 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. The backup ring materials include POM, Polyamide and PEEK.

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.

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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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