Flygt Submersible Pump Repair Kits

Flygt plug-in 20 mm double cartridge mechanical seal kit, replaces 769.94.30, fits Flygt 2610, 2620, 2630 and 2640 pumps

Flygt Plug-In 20mm Seal Kit (769.94.30)Fits 2610, 2620, 2630, 2640, 4610, 4620, 2840

Item #2630

Flygt Plug-In 20mm Seal Kit — Double Cartridge Mechanical Seal (Replaces 769.94.30 / 7699430)

The Flygt plug-in 20 mm seal kit is a direct-fit aftermarket replacement pre-assembled double cartridge mechanical seal for Flygt/Xylem submersible pumps and mixers built on a 20 mm shaft, replacing OEM part 769.94.30 (7699430).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: 20mm
Replaces: 769.94.30 / 7699430
Type: Pre-assembled double cartridge (plug-in)
Fits: Flygt 2610, 2620, 2630, 2640, 4610, 4620, 2840

Flygt 20mm Plug-In Seal Kit – 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 included	Choose this if
Cartridge mechanical seal	– Pre-assembled double cartridge mechanical seal (motor-side and liquid-side seals in one unit)Replaces Flygt 769 94 30	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 2610 — 2610.160, 2610.170, 2610.172
Flygt 2620 — 2620.170, 2620.172
Flygt 2630 — 2630.180, 2630.181
Flygt 2640 — 2640.180, 2640.181
Flygt 4610 and 4620 — compact submersible mixers
Flygt 2840

The Flygt 2610, 2620, 2630 and 2640 are 2600-series submersible dewatering and drainage pumps used on construction sites, in mining and quarrying, and in industrial and municipal service, available in medium head, high head and super head versions with wear-resistant or open impellers. The Flygt 4610 and 4620 are the smallest of the compact submersible mixer range, used in reception pits and small tanks. All of these share the 20 mm plug-in cartridge seal covered by this kit.

Build prefixes and head codes you may see on the nameplate: BS and KS (and DS on some builds), where B is a wear-resistant impeller and K is an open impeller; MT is medium head, HT is high head, and SH is super high head. All of these take the same 20 mm cartridge.

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

Weight	3 lbs
Dimensions	6 × 6 × 4 in

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

Flygt Plug-In 25mm Seal KitFits 2660, 4630, 4640, 8105.182

Item #4630

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

Weight	3 lbs
Dimensions	6 × 6 × 4 in

Flygt plug-in 35 mm double cartridge mechanical seal kit for Flygt 2670, 3153 and 5100.210 pumps

Flygt Plug-In 35mm Seal KitFits 2670, 3153, 5100.210/.211/.220/.221

Item #3153

Flygt Plug-In 35mm Seal Kit — Double Cartridge Mechanical Seal

The Flygt plug-in 35mm seal kit is a replacement pre-assembled double cartridge mechanical seal for Flygt/Xylem submersible pumps built on a 35mm 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.

Housing spring note: The “long spring” is a housing retention spring used to help hold the plug-in components and pump housing together. It is not part of the mechanical seal cartridge. This spring is included in the factory/OEM O-ring kit.

At a Glance

Shaft size: 35mm
Type: Pre-assembled double cartridge (plug-in)
Fits: Flygt 2670, 3153, 5100.210/.211/.220/.221

Choose Your Kit

Every version fits all pumps listed below. Find the version you need, then select the same name from the dropdown above.

Kit	What’s included	Choose this if
Cartridge mechanical seal	– Pre-assembled double cartridge mechanical seal (motor-side and liquid-side seals in one unit)	Your O-rings and hardware are still in good condition and you only need to replace the seal cartridge.
Cartridge mechanical seal + O-ring kit	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model	You are doing a full rebuild and want the O-rings replaced with the seal.
Cartridge mechanical seal + O-ring kit + long spring	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model– Long spring for the bearing housing / volute (Flygt 607 48 00)	Your build uses the long housing retention spring and it needs replacing.
Cartridge mechanical seal + O-ring kit + basic repair hardware kit	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model– Basic repair hardware kit: snap rings and wave washer	Your retaining rings or washer were damaged during removal or are missing.
Cartridge mechanical seal + O-ring kit + basic repair hardware kit + long spring	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model– Basic repair hardware kit: snap rings and wave washer– Long spring for the bearing housing / volute (Flygt 607 48 00)	You want the most complete refresh: new seal, O-rings, retaining hardware and long spring.

Not sure which kit you need? Call or text 561-414-1046 with a photo of your pump nameplate — no purchase required.

Applications

Flygt 2670 — 2670.180, 2670.181, plus MSHA versions 2670.081 and 2670.082
Flygt 3153 — 3153.091, 3153.095, 3153.181, 3153.182, 3153.185, 3153.350, 3153.390, 3153.660, 3153.670
Flygt 5100 — 5100.210, 5100.211, 5100.220, 5100.221

The Flygt 2670 is a 2600-series submersible dewatering pump used on construction sites, in mines and for draining flooded areas where the liquid carries abrasive particles, and is also available in MSHA-approved versions for underground mining. The Flygt 3153 is an N-technology submersible pump for clean water, surface water and wastewater containing solids or long-fibered material, with a chopper version for heavily contaminated sewage and sludge. The Flygt 5100 is an abrasion-resistant submersible slurry pump for sand, gravel, grit and ash duty. All of these share the 35 mm plug-in cartridge seal covered by this kit.

Important: the Flygt 5100 is built on three different shaft sizes. This 35 mm kit fits the 5100.210, .211, .220 and .221. If you have a 5100.250, .251, .260 or .261 you need our Flygt Plug-In 45 mm Seal Kit, and for the 5100.300 or .310 you need the Flygt Plug-In 60 mm Seal 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

Weight	3 lbs
Dimensions	6 × 6 × 4 in

Flygt plug-in 45 mm double cartridge mechanical seal kit for Flygt 3171, 4650, 4660 and 5100.250 pumps

Flygt Plug-In 45mm Seal KitFits 3171, 4650, 4660, 5100.250/.251/.260/.261

Item #3171

Flygt Plug-In 45mm Seal Kit — Double Cartridge Mechanical Seal

The Flygt plug-in 45mm seal kit is a replacement pre-assembled double cartridge mechanical seal for Flygt/Xylem submersible pumps and mixers built on a 45mm 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.

Housing spring note: The “long spring” is a housing retention spring used to help hold the plug-in components / pump housing together. It is not part of the mechanical seal cartridge. This spring is included in the factory/OEM O-ring kit.

At a Glance

Shaft size: 45mm
Type: Pre-assembled double cartridge (plug-in)
Fits: Flygt 3171, 4650, 4660, 5100.250/.251/.260/.261

Flygt 45mm Plug-In Seal Kit – Choose Your Kit

Find the version you need, then select the same name from the dropdown above. The first three fit every pump listed below; the fourth is built for the Flygt 4660 mixer.

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	Double cartridge mechanical sealComplete O-ring kit, matched to your pump model (see the Specifications tab for kit numbers)	You are doing a full rebuild and want the O-rings replaced with the seal.
Cartridge mechanical seal + O-ring kit + long spring	Double cartridge mechanical sealComplete O-ring kit, matched to your pump modelLong spring for the bearing housing / volute (Flygt 607 48 04)	Your build uses the long housing retention spring and it needs replacing.
Cartridge mechanical seal + O-ring kit + basic hardware, bearings & gasket	Double cartridge mechanical sealComplete O-ring kit, matched to your pump modelBasic hardware (snap rings and retaining hardware)BearingsGasket	You are rebuilding a Flygt 4660 mixer and want every wearing part in one order.The 4660 is the only model in this range that takes the gasket.

Not sure which kit you need? Call or text 561-414-1046 with a photo of your pump nameplate — no purchase required.

Applications

Flygt 3171 — 3171.091, 3171.095, 3171.181, 3171.185, 3171.350, 3171.360, 3171.390, 3171.660, 3171.670
Flygt 4650 and 4660 — compact submersible mixers
Flygt 5100 — 5100.250, 5100.251, 5100.260, 5100.261

Flygt 5100 owners: the 5100 is built on three shaft sizes. This 45mm kit fits the 5100.250, .251, .260 and .261. For a 5100.210, .211, .220 or .221 you need our Flygt Plug-In 35mm Seal Kit, and for the 5100.300 or .310 our Flygt Plug-In 60mm Seal Kit.

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

Weight	3 lbs
Dimensions	6 × 6 × 4 in

Flygt Plugin 60 MM KitFits 3202, 4670, 4680, 5100.300/.310, 5150.300/.310

Flygt Plug-In 60mm Seal KitFits 3202, 4670, 4680, 5100.300/.310, 5150.300/.310

Item #3202

Flygt Plug-In 60mm Seal Kit — Double Cartridge Mechanical Seal

The Flygt plug-in 60mm seal kit is a replacement pre-assembled double cartridge mechanical seal for Flygt/Xylem submersible pumps and mixers built on a 60mm 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: 60mm
Type: Pre-assembled double cartridge (plug-in)
Fits: Flygt 3202, 4670, 4680, 5100.300/.310 and 5150.300/.310

Choose Your Kit

Every version fits all pumps listed below. Find the version you need, then select the same name from the dropdown above.

Kit	What’s included	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	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model (see the Specifications tab for kit numbers)	You are doing a full rebuild and want the O-rings replaced with the seal.
Cartridge mechanical seal + O-ring kit + long spring	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model– Long spring for the bearing housing / volute (Flygt 607 48 01)	Your build uses the long housing retention spring and it needs replacing.

Not sure which kit you need? Call or text 561-414-1046 with a photo of your pump nameplate — no purchase required.

Applications

Flygt 3202 — 3202.090, 3202.095, 3202.180, 3202.185, 3202.350, 3202.390, 3202.660, 3202.670
Flygt 4670 and 4680 — compact submersible mixers
Flygt 5100 — 5100.300, 5100.310 (5100.310 is the explosion-proof version)
Flygt 5150 — 5150.300, 5150.310 (5150.310 is the explosion-proof version)

Important: the Flygt 5150 is built on two different shaft sizes. This 60 mm kit fits the 5150.300 and 5150.310. If you have a 5150.350 or 5150.360, you need our Flygt Plug-In 90 mm Seal Kit instead.

The Flygt 3202 is an N-technology submersible wastewater pump for sewage, stormwater and industrial service, built in cast iron and Hard-Iron versions with a chopper option for heavy sludge. The Flygt 4670 and 4680 are compact submersible mixers used in digesters, storage tanks and biogas reception pits. The Flygt 5100 and 5150 are abrasion-resistant slurry pumps for sand, gravel, grit and ash duty. All of these share the 60 mm plug-in cartridge seal covered by this kit.

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.

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

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

Weight	7 lbs
Dimensions	9 × 9 × 6 in

Flygt pump repair kit for flygt: 3301, 3315, 5150.350, 5150.360

Flygt Plug-In 90mm Seal KitFits 3301, 3315, 5150.350/.360

Item #3301

Flygt Plug-In 90mm Seal Kit — Double Cartridge Mechanical Seal

The Flygt plug-in 90mm seal kit is a replacement pre-assembled double cartridge mechanical seal for Flygt/Xylem submersible pumps built on a 90mm 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. The Flygt 3301 and 3315 are N-technology submersible wastewater pumps used in municipal sewage, stormwater and industrial wastewater service. The Flygt 5150.350 and 5150.360 are abrasion-resistant submersible slurry pumps used for sand, grit, ash and sludge duty. All four share the 90 mm plug-in cartridge seal covered by this kit.

At a Glance

Shaft size: 90mm
Type: Pre-assembled double cartridge (plug-in)
Fits: Flygt 3301, 3315, 5150.350, 5150.360

Choose Your Kit

Every version fits all pumps listed below. Find the version you need, then select the same name from the dropdown above.

Kit	What’s included	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	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model (see the Specifications tab for kit numbers)	You are doing a full rebuild and want the O-rings replaced with the seal.
Cartridge mechanical seal + O-ring kit + long spring	– Double cartridge mechanical seal– Complete O-ring kit, matched to your pump model– Long spring for the bearing housing / volute (Flygt 607 48 05)	Your build uses the long housing retention spring and it needs replacing.

Not sure which kit you need? Call or text 561-414-1046 with a photo of your pump nameplate — no purchase required.

Applications

Flygt 3301 — 3301.090, 3301.095, 3301.180, 3301.185, 3301.660, 3301.670
Flygt 3315 — 3315.090, 3315.095, 3315.180, 3315.185, 3315.660, 3315.670
Flygt 5150 — 5150.350, 5150.360 (5150.360 is the explosion-proof version)

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.

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

Explore our full line up of Flygt Pump Repair Kits & 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

Weight	9 lbs
Dimensions	7 × 7 × 7 in