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561.414.1046

Flygt Plug-In 25mm Seal Kit — Fits 2660, 4630, 4640, 8105.182

Flygt plug-in 25 mm double cartridge mechanical seal kit for Flygt 2660, 4630, 4640 and 8105.182 pumps

Flygt Plug-In 25mm Seal Kit — Fits 2660, 4630, 4640, 8105.182

SKU: 4630

Weight 3 lbs
Dimensions 6 × 6 × 4 in
QTY Price
Have a Question?
  • DESCRIPTION

    Flygt Plug-In 25mm Seal Kit — Double Cartridge Mechanical Seal

    The Flygt plug-in 25mm seal kit is a replacement pre-assembled double cartridge mechanical seal for Flygt/Xylem submersible pumps and mixers built on a 25mm shaft. The plug-in design holds the motor-side and liquid-side seals in a single aligned unit, built to OEM-equivalent standards or higher.

    At a Glance

    • Shaft size:25 mm

    • Type: Pre-assembled double cartridge (plug-in)

    • Fits: Flygt 2660, 4630, 4640, 8105.182

    Choose Your Kit
    Both versions fit every pump listed below. Find the version you need, then select the same name from the dropdown above.
    Kit What’s in the box Choose this if
    Cartridge mechanical seal – Pre-assembled double cartridge mechanical seal (motor-side and liquid-side seals in one unit) Your O-rings are still in good condition and you only need to replace the seal cartridge.
    Cartridge mechanical seal + O-ring kit – Pre-assembled double cartridge mechanical seal (motor-side and liquid-side seals in one unit)– Complete O-ring kit, matched to your pump model (see the Specifications tab for kit numbers) You are doing a full rebuild and want every sealing part replaced at once.
    Not sure which kit you need? Call or text 561-414-1046 with a photo of your pump nameplate — no purchase required.
    Applications

    • Flygt 2660 — 2660.181, in BS and KS builds and MT, HT and SH head configurations

    • Flygt 4630 and 4640 — compact submersible mixers

    • Flygt 8105 — 8105.182

    The Flygt 2660 is a 2600-series submersible dewatering and drainage pump used on construction sites, in mines and quarries, and for tailings ponds and coal pile runoff, built with a high-chrome impeller and available in medium head, high head and super head versions. The Flygt 4630 and 4640 are compact submersible mixers used in reception pits, storage tanks and digesters. The Flygt 8105 is a submersible propeller pump for moving high volumes at low head in irrigation, flood control and stormwater service. All of these share the 25 mm plug-in cartridge seal covered by this kit.

    Don’t see your exact build number? Call or text 561-414-1046 with your pump nameplate and we’ll confirm the correct configuration.

    Important fitment note: Flygt plug-in seal assemblies can vary by build. Please enter your full pump model number at checkout under “Pump Model Number Notes” so we can confirm the correct configuration for your unit.

    Explore our full line up of Pump Repair Kits

    Looking for more? Shop  Shaft seals, Parts & Accessories, and Pre-Cut Gaskets.

    Have questions?- Call us anytime-we’re here to help 

  • SPECIFICATIONS

    Cross References / Alternative Part Numbers

    Also searched as

    • Flygt plug-in 25mm cartridge seal
    • Flygt 25mm double cartridge mechanical seal
    • Flygt double mechanical seal cartridge (pre-assembled)
    • Flygt 2660 seal kit / Flygt 2660 dewatering pump seal
    • Flygt 4630 mixer seal / Flygt 4640 mixer seal
    • Flygt 8105 propeller pump seal

    Model number variations (as printed on nameplates and typed in search)

    • 2660 — 2660.181; also typed 2660-181, 2660 181, BS 2660, KS 2660, BS 2660.181, KS 2660.181, 2660.181 MT, 2660.181 HT, 2660.181 SH
    • 4630 — also typed SR 4630, Flygt 4630 mixer
    • 4640 — also typed SR 4640, Flygt 4640 mixer
    • 8105 — 8105.182; also typed 8105-182, 8105 182, PL 8105

    Brand variations
    Flygt, Xylem Flygt, ITT Flygt

Disclaimer: Seal House USA provides aftermarket replacement parts. Any OEM names are used strictly for cross-reference. We are an independent supplier.

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