Dual Gas Sealing Technology For Pump
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Dual gas seals are gaining acceptance by industrial users as a product that offers advantages over conventional liquid lubricated seals. These advantages are measured in terms of controlling emissions, minimizing product contamination, and reducing system installation and operating costs while being capable of handling both normal and off-design pump operations. Test programs were conducted to document the performance characteristics of various dual gas seal arrangements and technologies while handling thermal sensitive fluids, fluids containing debris, and off-design pump operating conditions. Variances in leakage, projected seal life, and sensitivity to secondary seal hangup were evaluated as a function of the seal design. Results from these test programs, user case histories, and application guidelines provide users with a means for selecting dual gas seal arrangements and technologies to improve process operations.
Adams, William V.; Dingman, Randy R.; Parker, Joseph C. (1995). Dual Gas Sealing Technology For Pump. Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University. Available electronically from