Pusher Seal
Elastomer Seal
Metal Bellows
Standard Cartridge
Split Seal
Gas Lubricated
Engineered Seal
Compressor Seal
Agitator Seal
Marine Seal
Mechanical Seal PDGS
Type in the H-Brinker HBPGS
PDGS 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)
Description
| 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 | Shaft sleeve and seat retainer |
| 6 | Intermediate sleeve |
| 7, 8 | Housing (size matched to installation space) |
| 9 | Separation seal (CSR) |
| 10 | Labyrinth |
| 11 | Intermediate labyrinth |
Seal PDGS Features (HBPGS)
- 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
Seal PDGS Material
- 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.
Seal HBPGS 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
Seal PDGS Recommended applications
Oil and gas industry
Refining technology
Petrochemical industry
Hydrocarbon gas
Ammonia
Nitrogen
Refrigerants
Air
Centrifugal compressors
Turbo expanders
Blowers
Download Catalog
