
4400
Accommodates Loss of Barrier Gas for Greater Sealing Reliability
Chesterton gas seals combine advanced, patented sealing technology with a compact, easy-to-install profiled designed to fit standard ANSI/API pumps, mixers, compressors, and blowers without modification. The exclusive In-Gland Control System (IGCS) automatically tracks process pressure to regulate barrier gas, eliminating external gas panels and optimizing gas consumption for significant cost savings.
The fault-tolerant dual concentric design transitions instantly to a liquid-lubricated, contacting seal when barrier gas is interrupted, then reverts to non-contacting mode once supply is restored, ensuring uninterrupted operation and peak reliability under fluctuating conditions. With a streamlined profile that fits into tight spaces and an intuitive cartridge-style installation, you can upgrade your sealing solution quickly—no extensive modifications or lengthy shutdowns required. Engineered for long-lasting performance, the 4400 complies with major environmental standards, making it an ideal choice for facilities focused on safety and sustainability demanding emissions control in their equipment.
Accommodates Loss of Barrier Gas for Greater Sealing Reliability