DGS Mechanical seals for pumps
| SEAL FACE | Silicon carbide with DLC coating, Carbon graphite |
|---|---|
| SEAT | Silicon carbide with DLC coating |
| SECONDARY SEALS | FKM |
| METAL PARTS | 1.4006 or other stainless steels |
| OTHER MATERIALS ON REQUEST | Available also with EagleBurgmann DiamondFace technology |
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Description
Description
Features
- Gas-lubricated
- Uni-directional or bi-directional
- Ready-to-fit cartridge unit Single, double, tandem and tandem with intermediate labyrinth available
- Separation seals as labyrinths, carbon rings or Coba Seal 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:
ds1 = 29 … 410 mm (1.14″ … 16.14″)
Pressure:
p = 0 … 160 bar (2,320 PSI)
Design temperature:
t = -46 °C … +230 °C
(-51 °F … +446 °F)
Sliding velocity:
vg = up to 227 m/s (744 ft/s)
Standards and approvals
- NACE
- API617
Recommended applications
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Hydrocarbon gas
- Ammonia
- Nitrogen
- Air
- Centrifugal compressors
- Turbo expanders
- Blowers
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