Heavy-Duty Loaded Rod U-Cup Seal with Active Backup Ring
Series 151: Heavy-Duty Loaded Rod U-Cup Seal with Active Backup Ring
The 151 Series is a heavy-duty polyurethane seal with multiple features that include a double-lipped U-cup design, an internal O-ring energizer and a reinforced backup ring on the heel. This seal is ideal for pressure spikes and large extrusion gaps common in mining applications.
Installation
Benefits
Symmetrical design for optimal sealing performance
Internal O-Ring works more efficiently at varying pressures
Double-lip design increases efficiency and performance
Highly extrusion resistant in large gap conditions
Easy to install
Applications
The 151 Series rod seal is typically used in heavy-duty applications, where pressure spikes and large extrusion gaps exist.
Typical applications include:
- Mining
- Mobile Hydraulics
- Hydraulic Cylinder Rebuild
- Agricultural Hydraulics
- Construction Equipment
The 151 Series rod seal features high-grade polyurethane. Standard materials are MP03 H-PU, NBR O-ring and polyacetal backup ring. 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 | MP62 |
| Polyurethane TPU | MP63 |
| Temperature | MP30 °C |
°F |
||
|---|---|---|---|---|
| hydraulic oil | -20…+115 | -5…+240 | ||
| water oil emulsions (HFA) | +5…+55 | +40…+130 | ||
| water-glycol fl uids (HFC) | -20…+55 | -5….+130 | ||
| polyol esters (HFD) | - | - | ||
| water | +5…+55 | +40…+130 | ||
| Speed | 0.5 m/s (1.6 ft/sec) | |||
| Pressure | 690 bar (10000 psi) | |||
