Features
- Gas-lubricated
- Bi-directional
- Compact, radial design
- Ready-to-fit cartridge unit, also available as a component seal
- Single, double, tandem seal and tandem with intermediate labyrinth available
Advantages
- Wear-free and contact-free operation
- Self-cleaning 3D gas grooves
- High gas film stiffness
- Fits into small spaces (e.g. process gas screw compressors)
- Available in various materials for optimized chemical resistance
- Proven, reliable and economical solution
Operating range
Shaft diameter:
d1 = 48 … 200 mm (1.89″ … 7.87″)
Pressure:
p = 0 … 50 bar (0 … 725 PSI)
Temperature:
t = -20 °C … +200 °C
(-4 °F … +392 °F)
Sliding velocity:
vg = 0.6 … 200 m/s (2 … 656 ft/s)
Materials
Seal face: Carbon graphite
Seat: Ductile stainless steel with DM-TiN coating
Secondary seals: FKM
Metal parts: 1.4006 or other stainless steels.