Technical Knowledge

FBU SEALS GSMA stationary single mechanical seal delivers reliable sealing for ANSI/ASME B73 chemical pumps. Stationary pusher design with flush, quench & drain ports.

FBU SEALS KDC stationary double mechanical seal is a standardized, modular cartridge seal built for OEM chemical and process pump builders. Using stationary face compensation technology, it resists thermal deformation and prevents seal-face drop at speeds up to 20 m/s. Rated to 25 bar (standard ≤20 bar), -20~150°C, shaft 24–100 mm, it fits ISO2858 chambers and replaces packing. Wet parts in Duplex steel, 904L or Alloy 276 with SSIC/TC faces handle acid, solvent and hazardous media. Backed by a 3-year warranty.

FBU SEALS KSC stationary single seal is the standard cartridge mechanical seal for chemical and centrifugal pumps, designed for efficient OEM customers. Its stationary-face compensation technology keeps seal faces aligned under shaft run-out to extend service life and cut downtime. ISO 2858 compatible, shaft 24–100 mm, up to 20 bar and 150 °C, 316SS structure, 4-week lead time. A reliable packing-replacing upgrade. Specs, materials & FAQ.

FBU SEALS EDM double seal: an economical dual cartridge mechanical seal for centrifugal pumps. Back-to-back design, hydraulically balanced faces, ISO 2858 compatible, shaft 24–100 mm. Specs, materials & FAQ.

Built as an affordable single sealing solution for centrifugal pumps, the ESM cartridge mechanical seal adopts hydraulically balanced faces and isolated multi-spring construction. It can directly replace traditional packing seals, delivering reliable long-term operation for medium and light-duty industrial pumping equipment.