SD 129

Sealing for hydraulics and pneumatics

Epidor

Stem seals

Specifications

Model DS 129 is a single-acting, low-friction seal for medium and heavy hydraulic cylinders. It consists of an O-ring energizing a low friction coefficient slip ring.
- Low friction, free of stick-slip effect.
- Supports high speed scrolling.
- Self-adjusting to stem movement.
Profile recommended for positioning cylinders, machine tools and injection molding machines. The slide ring can be machined in various PTFE formulations and also in polyurethane. See materials section.

Field of application

Velocity: ≤ 10 m/s (≤ 0.5 m/s for C-HPU)
Temperature: according to material chosen
Pressure up to 60 MPa (600 bar)
For 10 mm shanks ≤ Ød ≤ 580 mm (for other diameters, please consult us)