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BBA Pumps Mechanical Seals

  • BBA 3911650100SP Mechanical Seal

    BBA 3911650100SP Mechanical Seal

    BBA 3911650100SP Mechanical Seal

    Item #SH-BBA60MM

    BBA 3911650100SP Mechanical Seal

    The Seal House replacement for BBA 3911650100SP is a mechanical seal running silicon carbide against silicon carbide with Viton elastomers, built to OEM-equivalent standards or higher.

    At a Glance

    • Configuration: Single mechanical seal

    • Manufacturer reference: BBA 3911650100SP

    • Replaces BBA Pumps part 3911650100SP

    • Faces: silicon carbide vs silicon carbide

    • Elastomer: Viton (FKM) — high temperature and chemical resistance

    Application

    Fits BBA dewatering, wellpoint and bypass pumps that take the 3911650100SP seal. Common in large-scale construction dewatering, sewer and stormwater bypass, and municipal and industrial water transfer.

    Confirm your shaft diameter against your pump before ordering, or match the OEM number 3911650100SP directly. Not sure which seal your pump takes? Call our seal specialists at 561-414-1046 — we’ll match it from your pump nameplate, no purchase required.

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

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

    Weight 1 lbs
    Dimensions 3 × 3 × 3 in
  • Cornell, Pioneer and Thompson aftermarket pump mechanical seal, T-2 replacement BBA 3911650110SP mechanical seal, silicon carbide faces, Viton elastomers, Seal House replacement

    BBA 3911650110SP Mechanical Seal

    BBA 3911650110SP Mechanical Seal

    Item #SH-BBA835

    BBA 3911650110SP Mechanical Seal

    Seal House supplies the BBA 3911650110SP as a direct-fit replacement mechanical seal in a hard-face build — silicon carbide running against silicon carbide, with Viton (FKM) elastomers for heat and chemical resistance. Built to OEM-equivalent standards or higher and supplied as a seal assembly.

    At a Glance

    • Configuration: Single mechanical seal

    • Manufacturer reference: BBA 3911650110SP

    • Replaces BBA Pumps part 3911650110SP

    • Faces: silicon carbide vs silicon carbide

    • Elastomers: Viton (FKM)

    • Build: OEM-equivalent standards or higher

    Applications

    Built for BBA dewatering, wellpoint and bypass pumps that take the 3911650110SP seal. Common duty includes construction site dewatering, wellpoint systems, sewer and stormwater bypass, and municipal and industrial water transfer.

    Matching from a worn seal or a parts list? Confirm your pump model first, or send a photo of the old seal and your pump nameplate to info@sealhouseusa.com, or call or text 561-414-1046 — we will confirm it before you order. No purchase required.

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

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

    Weight 1 lbs
    Dimensions 3 × 3 × 3 in
  • BBA 3911664218SP Mechanical Seal

    BBA 3911664218SP Mechanical Seal

    BBA 3911664218SP Mechanical Seal

    Item #SH-BBA30MM

    BBA 3911664218SP Mechanical Seal

    The Seal House replacement for BBA 3911664218SP is a 30 mm Type 18/301 mechanical seal, supplied complete with its 48 x 12 cup seat. It runs tungsten carbide against tungsten carbide with Viton elastomers — a hard-face pairing chosen for the abrasive, solids-laden water that dewatering pumps move all day.

    At a Glance

    • Configuration: Single mechanical seal

    • Manufacturer reference: BBA 3911664218SP

    • Replaces BBA Pumps part 3911664218SP

    • Faces: tungsten carbide vs tungsten carbide

    • Elastomer: Viton (FKM) — high temperature and chemical resistanc

    • Includes the 48 x 12 mm cup seat

    Applications

    Fits BBA dewatering, wellpoint and bypass pumps that take the 3911664218SP seal.. Common in construction site dewatering, wellpoint systems, sewer bypass and municipal work.

    Confirm your shaft diameter and seat dimensions against your pump before ordering, or match the OEM number 3911664218SP directly. Not sure which seal your pump takes? Call our seal specialists at 561-414-1046 — we’ll match it from your pump nameplate, no purchase required.

    Explore our full line up of OEM seals 

    Looking for more? Shop Pump Repair Kits, Shaft Seals and Pre-Cut Gaskets

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

    Weight 1 lbs
    Dimensions 2 × 2 × 2 in
  • Placeholder

    BBA B45 BVGMC Mechanical Seal

    BBA B45 BVGMC Mechanical Seal

    Item #SH-19b22MM

    BBA B45 BVGMC Mechanical Seal

    A direct-fit replacement mechanical seal for the BBA B45 BVGMC electrically driven self-priming centrifugal pump, built to OEM-equivalent standards or higher. Silicon carbide against silicon carbide with Viton (FKM) elastomers.

    At a Glance

    • Fits pump: BBA B45 BVGMC

    • Faces: Silicon Carbide / Silicon Carbide

    • Elastomers: Viton (FKM)

    • Includes: Seal only (O-rings and gaskets sold separately)

    The B45 is a self-priming centrifugal working construction dewatering, wellpoint systems, bypass and general water transfer — liquid carrying grit and silt, pumped continuously, often unattended for long stretches. Silicon carbide against silicon carbide is the hard-face pairing that resists that abrasion, runs cooler under marginal lubrication, and tolerates the brief dry-running that comes with a falling water table.

    The Viton (FKM) elastomers hold up against the heat and the fuels, oils and treatment chemistry that come with the same work.

    Not sure this is your seal? BBA pumps use several different seals across the range, and the model on the nameplate is the only reliable way to tell them apart. Send us a photo of the nameplate and the old seal and we will identify it for you — no purchase required.

    Email info@sealhouseusa.com or call or text 561-414-1046. Our seal specialists match BBA pumps every week.

    Fitting it yourself? See the seal replacement guide

    Weight .25 lbs
    Dimensions 2 × 2 × 2 in