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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. 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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  2. Oberdorfer N990RK-Y95 Bronze Rotary Gear Pump w/ motor relief valve

    Oberdorfer Pumps

    Bronze Rotary Gear Pump w/ motor & relief valve

    N990RK-Y95
    $3,205.80
    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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  3. Riverside AP52B L1552Z Portable Gas Engine Ag Water Pump 2 inch

    Riverside

    Portable Gas Engine Ag Water Pump 2"

    AP52B L1552Z
    $399.00
    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...
    Kohler Learn More
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  4. Gorman-Rupp 3G5IR Engine Driven Portable Pump

    Gorman-Rupp Pumps

    Engine Driven Portable Pump

    3G5IR
    $1,011.00
    • Cast Iron Impeller and Cast Iron Volute
    • Large Pump Casing
    • Built-In Check Valve
    • Die-cast Aluminum
    • Silicon Carbide, Self-Lubricated Seal with Graphite Impregnated Seat
    • Dry Run Survivability
    • Rubber Foot Mounting
    • Built in Check Valve
    • Strainer Suppli...
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  5. 3824-99_1_2_1.gif

    AMT Pumps

    Portable Gas Engine water Pump

    3824-99
    Call For Price

    Water pump with Briggs Stratton gas engine 4-cycle. Discontinued, See Honda engine version 382A-99 or PACER S Pumps. Utility pump 8460 GPH for use in construction, irrigation, washdown, fire fighting & general dewatering, Calcium and magnesium chl...

    OBSOLETE , call or email for alternative assistance. Parts still available. Learn More
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  6. Ober_N9000R.gif

    Oberdorfer Pumps

    Bronze Pedestal Gear Pump w/ relief valve

    N1000R
    $401.70
    Bronze Pedestal Gear pump with relief valve. Often used as a coolant pump on welding torch. Pump flow is reversible.
    • Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite amount of liquid relatively unaffecte...
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  7. Sta-Rite DHHG3-53 Irrigation pump Irrigation Pump

    Sta-Rite

    Irrigation Pump

    DHHG3-53
    $3,157.00
    Irrigation Pump Fountain Pumps High Head Self-priming centrifugal pump for irrigation, fire protection, marine and liquid transfer or water reclaim and water-tank delivery systems. Cast iron construction with Noryl enclosed impeller. Includes ...
    2.5HP 208-230/460v 3 phase Learn More
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  8. Bronze Gear pump 1HP

    Hypro Pumps

    Bronze Gear pump 1HP

    GMBN3VA43
    $1,483.72

    Rotary Gear pump 3/8". 303 SS fasteners, 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 press...

    3/8" 3phase ODP Learn More
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  9. Oberdorfer N61K10G-01C33 Bronze Rotary Gear Pump Motor

    Oberdorfer Pumps

    Bronze Rotary Gear Pump & Motor

    N61K10G-01C33
    $716.30
    PUMP AND MOTOR, no relief valve.

    This Bronze Rotary Gear Pump is popular among OEM users like generator Onan. It is a diesel fuel transfer pump featuring an all bronze design and 303 stainless steel shafts with options of non-metallic gears and a...

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  10. Sta-Rite HMSF 1 1/2hp jet pump

    Sta-Rite

    1 1/2hp jet pump

    HMSF-1FL
    $3,167.00
    Sta-rite water pump. Sprinkler Irrigation pump or water well pump. FEATURES

    Automatic Pressure Regulator –Faster-acting and quieter, design eliminates “hunting” for correct drive pressure. New improved stem and guide are precisely molded to assur...

    115/230v Convertable Learn More
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