Dry Gas Seal -DG312
Features:
- Dual Seal
- Cartridge Unite
- Unidirectional or bidirectional rotation available
Typical Applications:
Widely used in upstream pumping for handling toxic, hazardous, flammable, and explosive process media (liquids and gases) in petrochemical, refining, chemical, pharmaceutical, and energy industries.
Mediums:
Designed for use with toxic, hazardous, flammable, and explosive process media (liquids and gases).
Performance Capabilities:
Pressure: 0~ 2.5 MPa
Temperature: -20 ~260°C
Linear Speed: ≤25 m/s
Material Selection:
Metallic Components: 1Cr13, 304, 316L, 2507, TA2
Spring: 316L, Hastelloy C-276
Seal Rings: SSiC , WC, Graphite, DLC
Elastomer Options: FKM, FFKM, EPDM, NBR , OMNISEAL
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Product Description:
DG321 upstream pumping dry gas seal is designed in accordance with the API 682 standard for use in agitator equipment handling toxic, hazardous, flammable, or explosive process media (liquids or gases). It is rated for a pressure of up to 2.5 MPa. This dry gas seal assembly includes sleeve, rotating ring, stationary ring, auxiliary seals, flexible element , gland plate and drive mechanism.
Technical Features:
1.DG321 upstream pumping dry gas seal features a back-to-back configurationThe process side is an upstream pumping configuration.
2.The seal gas pressure shall be maintained above the process pressure, achieves zero process leakage.
3.The seal gas is supplied from an external inert gas source (nitrogen). Minimal seal gas migrates into the process side but does not react with the process fluid, ensuring safe and reliable operation.
4.The unique structural design prevents process-side seal face separation during equipment shutdown or seal gas supply loss.
5.The highly reliable drive design effectively prevents slippage even on high-hardness shafts.
6.Non-contact operation of the dry gas seal ensures extended service life.
Solution Selection:
Designed for DEREI’s GCS74 dry gas seal support system to ensure stable sealing performance. Customization is available based on user application and requirements.