Features mechanical seal mdgs
- 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 mechanical seal mdgs
- 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 mechanical seal mdgs
- 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 mechanical seal mdgs
- Seal face: Carbon graphite
- Seat: Ductile stainless steel with DM-TiN coating
- Secondary seals: FKM
- Metal parts: 1.4006 or other stainless steels.
| 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 |
Recommended applications seal mdgs Burgmann
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Hydrocarbon gas
- Nitrogen
- Air
- Centrifugal compressors
- Dry process gas screw compressors
- Blowers
