S728
Double Dry Gas Seal
Performance capabilities:
● Pressure:0~4.0MPa
● Temperature:-160~260℃
● Shaft Diameter:25~360mm
● Speed:≦160m/s, for higher speed, special design is required
Features:
√ Preferred structure for high pressure, large shaft diameter and severe application conditions.
√ Dry-running, contact-free operation, no friction
√ Double opposed seal arrangement
√ 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
√ Capable of zero process gases emissions, with a small amount of nitrogen leaking into the compressor
√For low-pressure process gases, not clean, toxic and/or harmful, strong corrosiveness
Recommended applications:
● Rich gas compressor, flare gas compressor, desorption compressor, etc
Interface Details:
√ Buffer gas supply: nitrogen / process gas; nitrogen is preferred
√ Seal gas supply:Nitrogen / other inert gas, nitrogen is preferred
√ Vent: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 |
Polymer seal |
PTFE filled polymer |
/ |
Auxiliary seal |
Polymer seal |
PTFE filled polymer |
/ |
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 | Polymer seal | PTFE filled polymer | / |
Auxiliary seal | Polymer seal | PTFE filled polymer | / |
Separation seal |
/ |
Labyrinth seal | Carbon ring seal |