Mechanical Pump Shaft Seal FDN 14–22, Giant 17–22 (Short25, D50x23.5)

The mechanical shaft seal (Short25, D50x23.5) is a precision sealing part designed for pool pumps of the FDN 14–22 and Giant 17–22 series. The seal seals the passage of the pump shaft through the housing so that water cannot enter the electric motor area or leak into the surroundings.

The seal consists of a rotating and a stationary ring with precisely polished ceramic or graphite mating surfaces, between which a thin film of water forms to prevent water leakage. A correctly functioning seal is the basis for reliable and trouble-free pump operation.

Replacement of the mechanical seal is recommended when water is found dripping from the pump housing at the shaft or when there is excessive noise from the seal area. The dimensional description Short25, D50x23.5 mm allows compatibility with the specific pump type to be verified before ordering the part.