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Self-Priming Pump

Self priming pumps are able to pull prime after loosing prime or in some cases can run dry and initiate priming. Centrifugal pumps which are called self-priming actually need to be primed the very first time and then after should hold prime or start up again if pump has retained its priming liquid in its volute. These pumps do not prime from a dry condition.

The second type of Self Priming pump is a positive displacement one and can pull prime completely on its own from often a dry condition.

Self-priming pumps all have a common limit to how high they can lift or prime. This is often 25 feet maximum and with some pumps may take up to 5 minutes.

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  1. Hypro MBN3VA Bronze Gear pump only

    Hypro Pumps

    Bronze Gear pump only

    MBN3VA
    $5,401.27
    Rotary Gear pump end. 303 SS fastners, Ryton gears.

    Adjustable relief valve designed for internal pressure relief, can be ported for either internal or external discharge. Do not operate the relief valve for more than one minute.

    Use for pressure...

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  2. Jabsco 12290-0004 Plastic Flexible Impeller Pump FKM

    Jabsco Pumps

    Plastic Flexible Impeller Pump FKM

    12290-0004
    $971.53
    Jabsco's self-priming plastic flexible impeller pump is designed for transfers, circulation, spill returns, filtration and filling line use. Easily handles pure solutions, foaming liquids, emulsions, suspended solids, gels and metallic contamin...
    115v 1/6HP Learn More
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  3. Air Diaphragm Pump

    All-Flo Pumps

    Air Diaphragm Pump

    A050-NAA-TTYT-S00

    $1,171.50

    Air Diaphragm Pump

    Aluminum Air AODD Pump 1/2". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. S = Standard (Suction Right / Discharge Right)Click ...

    1/2" Alum/Teflon Learn More
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  4. Gorman-Rupp 3G5AR Engine Driven Portable Pump

    Gorman-Rupp Pumps

    Engine Driven Portable Pump

    3G5AR
    23% Off Special Price $689.15 Regular Price $895.00
    • Cast Iron Impeller and Cast Iron Volute
    • Large Pump Casing
    • Built-In Check Valve
    • Die-cast Aluminum
    • Carbon / Ceramic seal
    • Roll Cage
    • Rubber Foot Mounting
    • Built in Check Valve
    • Strainer Supplied
    • B&S 5.5HP OHV Engine
    • 3 Qt. Tank
    • 1.4 Run Time
      • ...
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  5. Riverside AP22B L1549Z Portable Gas Engine Ag Water Pump 2

    Riverside

    Portable Gas Engine Ag Water Pump 2"

    AP22B L1549Z
    $356.00
    Water pump with Briggs Stratton gas engine 4-cycle. Utility pump 8460 GPH for use in construction, irrigation, washdown, fire fighting & general dewatering, Calcium and magnesium chloride de-icing solutions, Ag & herbicides. 3 Qt. gas tank will...
    Briggs & Stratton Learn More
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  6. Graymills - IMS75F 3/4: Vertical coolant Pump

    Graymills Pumps

    Coolant pump

    IMS75F 3/4-1
    $972.57

    Coolant pump

    Graymills pumps are typically found on OEM machine tool equipment and are thus well suited for replacement or retrofit machine tool pumping applications. These pumps can also be used on other industrial applications requiring a verti...

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  7. Oberdorfer N990RJ-T95 Bronze Rotary Gear Pump w/ motor relief valve

    Oberdorfer Pumps

    Bronze Rotary Gear Pump w/ motor & relief valve

    N990RJ-T95
    $2,532.40
    Oberdorfer Close coupled bronze rotary gear pumps.
    • Bronze Construction with SS shaft
    • Helical gears for quiet operation
    • Self-lubricating carbon bearings
    • O-ring seal for max. leak protection
    • The pump drive shaft is connected to the motor shaf...
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  8. Air Diaphragm pump Aluminum

    All-Flo Pumps

    Air Diaphragm pump Aluminum

    A050-NAA-VVYV-S30
    $1,314.95

    Aluminum Diaphragm Air AODD Pump 1/2". 

    All-Flo pneumatic diaphragm pumps are used throughout industry, chemical, paints, solvents and paints. Standard (Suction Right / Discharge Right). Made in USA.

    Lube-free air valve, Non-stalling, No vent ho...

    1/2" FKM Learn More
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  9. Graymills - IMS75F 3/4: Vertical coolant Pump

    Graymills Pumps

    Coolant pump

    IMS75F 3/4
    $979.00

    Coolant pump

    Graymills pumps are typically found on OEM machine tool equipment and are thus well suited for replacement or retrofit machine tool pumping applications. These pumps can also be used on other industrial applications requiring a verti...

    Learn More
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  10. Riverside AP22B L1549z Portable Gas Engine Ag Water Pump 2

    Riverside

    Portable Gas Engine Ag Water Pump 2"

    AP22B L1549z-1
    $376.00

    High-Performance Portable Pump for Dewatering, Construction, Agriculture, and More

    The Riverside AP22B is a versatile 2-inch utility pump powered by a Briggs & Stratton 4-cycle gas engine. Designed for tough jobs like construction dewatering, irr...

    Briggs & Stratton Learn More
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