Features
- Gas-lubricated
- Uni-directional or bi-directional
- Elastomer-free
- Ready-to-fit cartridge unit
- Single, double, tandem seal and tandem with intermediate labyrinth available
- Separation seals as labyrinths, carbon rings or CobaSeal are optionally available
Advantages
- Wear-free and contact-free operation
- Self-cleaning 3D gas grooves
- High gas film stiffness
- Secure cupped retainer for seat
- Available in various materials for optimized chemical resistance
- Proven, reliable and economical solution
Operating range
Shaft diameter:
D = 24.5 … 360 mm (0.96″ … 14.17″)
Pressure (static and dynamic):
p = up to 650 bar (7.977 PSI)
Temperature:
t = -200 °C … +230 °C
(-328 °F … +446 °F)
Sliding velocity:
vg = up to 227 m/s (744 ft/s)
Materials
Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: Polymer rings
Metal parts: 1.4006, 1.4313-QT650, Inconel® or other stainless steels.
Other materials on request.
Available also with EagleBurgmann DiamondFace technology.