FS25/FS-25 Cartridge Mechanical Seal | Xylem Itt Flygt Plug-In Type | Compatible with Flygt Pumps 2660/ 4630/4640

Price range: $218.88 through $258.98

  • Integrated Dual-Seal Design
    Inner and outer seals in a single unit ensure precise alignment and easy, reliable installation.

  • Superior Leak Prevention
    Advanced sealing faces deliver outstanding leakage protection for long-term, stable operation.

  • Solid One-Piece Seal Ring
    A robust, monolithic ring design ensures durable performance and high resistance to vibration.

  • Durable & Easy to Install
    Made from wear- and corrosion-resistant materials, it allows quick replacement to minimize downtime.

  • Built-In Cooling Function
    Integrated cooling effectively manages seal face heat, prevents overheating, and extends service life.

The FS25/FS-25 advanced cartridge mechanical seal is a precision-engineered, drop-in replacement for original seals in Flygt water pumps. It is fully compatible with models 2660, 4630, and 4640.

Featuring an innovative cassette design, the seal enables tool-free, single-step installation—eliminating complex adjustments, shortening downtime, and cutting labor costs. Manufactured from high-grade, wear-resistant materials, it delivers reliable performance in harsh operating conditions, effectively preventing leakage and ensuring stable operation in applications including wastewater treatment, industrial fluid systems, and municipal water supply.

Upgrading to the FS25 cartridge seal enhances pump reliability, reduces unplanned maintenance, and lowers the total cost of ownership.

Weight 1 lbs
Dimensions 13 × 8 × 9 in
Material

Plastic Shell, Aluminum Shell, Metal Shell

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