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    5 - 15 HP Centrifugal Pump / Motor Units, Self Priming or Straight, "Vac-U-Double Seal"

    Double Viton® Wet Seal • The Original Vac-U-Double Seal Pump

    The Centrifugal Pump that is designed to Outlast Your Equipment!

    When it comes to high volume transfer pumping of liquid fertilizers, agchemicals, liquid deicers, water and many other liquids, this series of John Blue Vac-U-Double Seal Centrifugal pumps is considered the leader. The patented Vac-U-Seal system is derived from an inner function of the pump. The impeller applies vacuum pressure or suction to the seal, along with a double "wet" seal, keeps harmful corrosive liquids and abrasive particles from entering the seal. This unique method of lubrication provides extended life for the seal, eliminates thrust loads increasing bearing life, and allows the pump to be operated dry without damaging the unit.

    • Patented Vac-U-Double Seal design eliminates pressure on the seal resulting in long seal life.
    • Closed type hydraulically balanced impeller eliminates thrust loads for increased bearing life. Wear actually improves impeller efficiency.
    • No adjustments of impeller necessary with shims.
    • Pump can be operated DRY without damaging the seal.
    • Cast iron heavy wall section provides extended life to unit.
    • Total Dependability and Versatility.
    • Designed for Many Chemicals and Fertilizers.
    • Speeds to 3600 RPM.
    • 2 Year Unconditional Warranty (Centrifugal Pumps Only).
    • Long Coupled Units Include "Orange Peel" OSHA Approved Guard.

    Next Generation 3" Self Priming Centrifugal Pumps Feature:

    • 2-in-1 Inlet Design (patent pending). Select from (2) Inlet Locations on (1) 3" Self Priming Pump.
    • The Standard Lower Inlet (top pump), with Backflow Check Valve, Yields Maximum Pump Flow.
    • The Higher Inlet (lower pump), Allows the Outlet Lines to Drain After Shutoff While Retaining Self-Priming Capability On Next Start-Up.

    Viton® is a registered trademark of DuPont Performance Elastomers
    Manufacturer: John Blue
    0Types Available
    Picture of "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3" 10 HP/1 PH, Long Coupled, 1.3 Max SG, 340 Max gpm, 265 gpm @ 25 psi
    "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3" 10 HP/1 PH, Long Coupled, 1.3 Max SG, 340 Max gpm, 265 gpm @ 25 psi
    Centrifugal Pump, 3IN, Self Prime, 10 Hp, 1 Phase, Blue
    SKU: DUBU1031
    VIEW CATALOG PAGE E0228
    $5,256.00 / EA
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    Picture of "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 3", 10 HP/1 PH, Long Coupled, 1.0 Max SG, 365 Max gpm, 310 gpm @ 25 psi
    "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 3", 10 HP/1 PH, Long Coupled, 1.0 Max SG, 365 Max gpm, 310 gpm @ 25 psi
    Centrifugal Pump, 3IN, Straight, 10 Hp, 1 Phase, Base Mounted
    SKU: DUBU1031A
    VIEW CATALOG PAGE E0228
    $4,938.00 / EA
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    Picture of "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3", 10 HP/3 PH, Long Coupled, 1.3 Max SG, 340 Max gpm, 265 gpm @ 25 psi
    "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3", 10 HP/3 PH, Long Coupled, 1.3 Max SG, 340 Max gpm, 265 gpm @ 25 psi
    Centrifugal Pump, 3IN, Self Prime, 10 Hp, 3 Phase, Base Mounted
    SKU: DUBU1033
    VIEW CATALOG PAGE E0228
    $4,635.00 / EA
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    Picture of "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3", 15 HP/3 PH, Long Coupled, 1.5 Max SG, 400 Max gpm, 365 gpm @ 25 psi
    "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3", 15 HP/3 PH, Long Coupled, 1.5 Max SG, 400 Max gpm, 365 gpm @ 25 psi
    Centrifugal Pump, 3IN, Self Prime, 15 HP, 3 Phase, Double Seal
    SKU: DUBU1533
    VIEW CATALOG PAGE E0228
    $4,854.00 / EA
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    DELAY MY SHIPMENT until all in-stock items AND backordered items are available in one warehouse before shipping. (You will receive only one freight bill if you choose this option).

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    Picture of "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 3", 15 HP/3 PH, Long Coupled, 1.6 Max SG, 365 Max gpm, 310 gpm @ 25 psi
    "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 3", 15 HP/3 PH, Long Coupled, 1.6 Max SG, 365 Max gpm, 310 gpm @ 25 psi
    Centrifugal Pump, 3IN, Straight, 15 Hp, 3 Phase, Base Mounted
    SKU: DUBU1533A
    VIEW CATALOG PAGE E0228
    $4,619.00 / EA
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    Picture of "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 2", 5 HP/1 PH, Long Coupled, 1.2 Max SG, 197 Max gpm, 112 gpm @ 25 psi
    "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 2", 5 HP/1 PH, Long Coupled, 1.2 Max SG, 197 Max gpm, 112 gpm @ 25 psi
    Centrifugal Pump Unit, 2IN X 2IN Cast Iron 5 Hp, 1 Phase, Double Viton Seal
    SKU: DUBU3510S
    VIEW CATALOG PAGE E0228
    $2,852.00 / EA
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    Picture of "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 2", 5 HP/3 PH, Long Coupled, 1.4 Max SG, 152 Max gpm, 112 gpm @ 25 psi
    "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 2", 5 HP/3 PH, Long Coupled, 1.4 Max SG, 152 Max gpm, 112 gpm @ 25 psi
    Centrifugal Pump, 2IN, Self Prime, 5 Hp, 3 Phase, Base Mounted
    SKU: DUBU3530
    VIEW CATALOG PAGE E0228
    $2,402.00 / EA
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    Picture of "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 2", 5 HP/3 PH, Long Coupled, 1.2 Max SG, 197 Max gpm, 112 gpm @ 25 psi
    "Vac-U-Double Seal" Straight Centrifugal Pump / Motor Unit, 2", 5 HP/3 PH, Long Coupled, 1.2 Max SG, 197 Max gpm, 112 gpm @ 25 psi
    Centrifugal Pump Unit, 2IN, Straight, 5 Hp, 3 Phase, Long Coupled
    SKU: DUBU3530S
    VIEW CATALOG PAGE E0228
    $2,497.00 / EA
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    Picture of "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3", 7.5 HP/3 PH, Long Coupled, 1.0 Max SG, 340 Max gpm, 265 gpm @ 25 psi
    "Vac-U-Double Seal" Self-Priming Centrifugal Pump / Motor Unit, 3", 7.5 HP/3 PH, Long Coupled, 1.0 Max SG, 340 Max gpm, 265 gpm @ 25 psi
    Centrifugal Pump Unit, 3IN, Self Prime, 7.5 Hp, 3 Phase, Base
    SKU: DUBU7533
    VIEW CATALOG PAGE E0228
    $3,456.00 / EA
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    Additional Information

    3" Next Generation Pumps feature 2-in-1 Inlet Design (patent pending). Select from (2) Inlet Locations on (1) 3" Self Priming Pump!
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