128 Series: Rod Seal
The 128 series, four-piece rod seal is ideal in heavy duty sealing applications where pressure spiking can occur.
128 Series
The 128 series, four-piece rod seal is ideal in heavy duty sealing applications where pressure spiking can occur.
Installation Drawing
Material Ranges
The 128 series rod seal features a robust NBR elastomer, a profiled seal ring in abrasion resistant polyurethane and two backup rings in high-strength thermoplastic.
| Polyurethane H-PU /A NBR / POM | MP38 |
| Polyurethane H-PU / NBR / Polyamide | MP40 |
Temperature Ranges
MP38
°C
°F
Hydraulic oil
-20° + 115°
Hydraulic oil
-5° + 240°
Water oil emulsions (HFA)
+5° + 55°
Water oil emulsions (HFA)
+40° + 130°
Water-glycol fluids (HFC)
-20° + 55°
Water-glycol fluids (HFC)
-5° + 130°
Water
+5° + 55°
Water
+40° + 130°
Speed
0.5 m/s (1.6 ft/sec)
Speed
Pressure
1380 bar (20000 psi)
Pressure
Designed for flexibility across materials, sizes, and performance requirements. Standard and custom diameters ensure optimal integration into your system.
Engineered Performance
Built to Perform
Engineered for demanding hydraulic environments, this sealing solution delivers reliable performance under high pressure, wide temperature ranges, and aggressive media—helping extend service life and reduce downtime.
Benefits
- Long service life under the harshest conditions
- Compatible with water-based fluids (H-PU)
- Optimized for high running clearance
- Easy installation
Applications
- Mining
- Heavy duty clamp cylinders
- Specialty high-pressure cylinders
- Hydraulic rams
- Various advancing and secondary cylinders
