The GTSP high-temperature pump gas seal increases equipment reliability and reduces energy consumption for the hottest process pumps in refinery and hydrocarbon facilities. Using Flowserve’s exclusive bidirectional wavy face topography, GTSP seals are pressurized with dry steam or nitrogen. Laser-applied wavy face technology creates a gas-film barrier between the seal faces to eliminate seal face wear, minimize fouling, increase long-term equipment reliability, and lower gas consumption. Easier to install and maintain than liquid barrier seals, wavy-face GTSP gas seals eliminate the energy requirements from circulating, cooling and churning a liquid barrier, and create significantly less heat generation and torque at the seal faces. Sinusoidal waves allow bi-directional operation to simplify installation on double-ended pumps, while the smooth-wave texture is self-cleaning to resist contamination. Alloy 718 welded metal bellows assembly construction offers high resistance to stress corrosion cracking in high-temperature, sulphuric-laden services.