Dry Gas Seals
A.W. Chesterton Company Dry Gas Seals
Chesterton dry gas seals offer advanced, patented sealing technology in a compact and easy-to-install design. The fault-tolerant design of our dry gas seals offers higher reliability, reduced gas consumption requirements, and allows for gas supply disruptions.
Why Use a Dry Gas Seal ?
Dry gas seals are useful in processes that cannot tolerate any product contamination or escape into the atmosphere. They are also useful for processes or materials that are sensitive to heat that typical mechanical seal faces generate. Dry gas seals use an inert gas to separate the seal faces. The seal faces are profiled to capture the gas and provide lift for seal face separation or light contact. With separation or light contact, minimal heat is generated. The inert gas provides the lubrication for the seal faces and acts as a barrier against the product.
Featured Product: Chesterton 4400 Dual Concentric Dry Gas Seals
A.W. Chesterton Company has developed technology that makes the use of a dry gas seal easy and intuitive. The 4400 delivers higher reliability with lower gas consumption than conventional gas-lubricated seals. It acommodates loss of barrier gas for greater seal reliability.
- Transitions to a traditional liquid seal in the event of the loss of barrier gas and recovers
- to a gas seal upon restoring the barrier gas
- Compact flush mount design that does not require modification of the stuffing box; fits more equipment types than conventional gas seals
- Innovative in-Gland Control System (IGCS) dynamically controls gas pressure to process pressure
|Zero fugitive emission, monitoring exempt, dual gas seal design
|Full sealing recovering following loss of barrier gas
|Unique design minimizes profiled gas face wear due to loss of barrier fluid
|Seal transitions to a contacting wet mode during gas disruptions for greater sealing reliability
|In-Gland Control System (IGCS) dynamically tracks process pressure to minimize gas consumption
|No heat generation
|Designed for ANSI/API pumps, compressors, and blowers
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