S718
Single Dry Gas Seal
Performance capabilities:
● Pressure：0~25.0MPa
● Temperature：-160~260℃
● Shaft Diameter：25~360mm
● Speed：≦160m/s, for higher speed, special design is required
Features:
√ Dry-running, contact-free operation, no friction
√ Single seal arrangement with compact shaft dimensions
√ Unidirectional or bidirectional available
√ Shrouded mating ring prevents secondary damage in the event of a mating ring fracture
√ The secondary seal with high-performance polymer seal provides better floatability and reliability
√ The auxiliary seal with high-performance polymer seal features excellent temperature resistance, pressure resistance and corrosion resistance
√ Cartridge design makes installation and removal easy
√ For neutral media that allow a small amount of process medium to leak into the atmosphere and without pollution to the environment
Recommended applications:
● Nitrogen compressor, air compressor, carbon dioxide compressor and high speed multi-axial compressor, etc.
Interface Details:
√ Seal gas supply：Gas from compressor discharge/ external gas
√ Vent:To flare system/to safe location
√ Separation gas supply：Nitrogen / instrument air, nitrogen preferred
Materials and configurations:
|
Categories |
Components |
Standard Materials |
Optional Configurations （Depending on specific working conditions or applications ） |
|
Seal rings |
Primary ring |
SiC |
TC/Si3N4 |
|
Mating ring |
Carbon graphite |
SiC |
|
|
Elastic elements |
Spring |
Hast.C |
Inconel718 |
|
Metal structures |
Sleeve |
1Cr13/2 Cr13 |
410/420/17-4PH/2205/316L |
|
Housing |
1Cr13/2 Cr13 |
410/420/17-4PH/2205/316L |
|
|
Secondary seal |
O-ring |
FKM |
FFKM/NBR/HNBR/FVMQ/EPDM |
|
Auxiliary seal |
O-ring |
FKM |
FFKM/NBR/HNBR/FVMQ/EPDM |
|
Separation seal |
/ |
Labyrinth seal |
Carbon ring seal |
| Categories | Components | Standard Materials | Optional Configurations ( Depending on specific working conditions or applications) |
| Seal rings | Primary ring | SSiC | TC/Si3N4 |
| Mating ring | Carbon graphite | SiC | |
| Elastic elements | Spring | Hast.C | Inconel718 |
| Metal structures | Sleeve | 1Cr13/2 Cr13 | 410/420/17-4PH/2205/316L |
| Housing | 1Cr13/2Cr13 | 410/420/17-4PH/2205/316L | |
| Secondary seal | O-ring | FKM | FFKM/NBR /HNBR/FVMQ EPDM |
| Auxiliary seal | O-ring | FKM | FFKM/NBR /HNBR/FVMQ EPDM |
| Separation seal |
/ |
Labyrinth seal | Carbon ring seal |