A | Primary seal gas supply |
B | Primary vent |
C | Secondary gas seal supply |
S | Secondary vent |
D | Separation gas supply |
Item | Description |
1 | Seal face, stationary |
2 | Seat, rotating |
3 | Thrust ring |
4 | Spring |
5 | Adapter |
6 | Shaft sleeve, intermediate sleeve |
7, 8 | Housing (size matched to installation space) |
9 | Carbon ring separation seal (CSE) |
10 | Intermediate labyrinth |
Seal MDGS Features (HBGS)
- 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
Seal MDGS Material
- Seal face: Carbon graphite
- Seat: Ductile stainless steel with DM-TiN coating
- Secondary seals: FKM
- Metal parts: 1.4006 or other stainless steels.
Seal HBMGS 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
Seal MDGS Recommended applications
Oil and gas industry
Refining technology
Petrochemical industry
Hydrocarbon gas
Nitrogen
Air
Centrifugal compressors
Dry process gas screw compressors
Blowers