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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. Flojet-G57-diaphragm-pump-PumpBiz2.jpg

    Flojet Pumps

    Duplex Diaphragm pump

    G573175
    $317.40
    Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 1/2" Male Pipe Thread MNPT. Air connection is 1/4" barb brass. 2CFM air. Special mod...

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  2. Graymills SG4F 1/2 Vertical CI Centrifugal Pump Mtr

    Graymills Pumps

    Vertical CI Centrifugal Pump & Mtr

    SG4F 1/2
    $1,104.44
    The SG series are gear pumps specially designed for high pressure applications. These pumps are recommended for use with liquids that have some lubricating qualities and are relatively free of abrasives and scale. These pumps mount vertically and...
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  3. Darley AK306 Portable Fire Pump Portable Fire Pumps 13 HP Two-Stage

    Darley Pumps

    Portable Fire Pumps 13 HP Two-Stage

    AK306
    $4,050.00

    Portable Fire Pump 9HP with electric start.

    If you've ever been in the market for a portable fire pump then you probably experienced the frustration of finding just the right pump that meets your performance requirements as well as your budget. T...

    Honda GX270 Learn More
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  4. Graymills SG4E 1/4 Vertical CI Centrifugal Pump Mtr

    Graymills Pumps

    Vertical CI Centrifugal Pump & Mtr

    SG4E 1/4
    $1,072.62
    The SG series are gear pumps specially designed for high pressure applications. These pumps are recommended for use with liquids that have some lubricating qualities and are relatively free of abrasives and scale. These pumps mount vertically and...
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  5. Oberdorfer N970H-N76 3/4 Bronze gear pump 1HP Oberdorfer

    Oberdorfer Pumps

    3/4" Bronze gear pump 1HP Oberdorfer

    N970H-N76
    $2,611.08
    Oberdorfer 3/4" Bronze rotary gear pump with relief valve and close coupled to a 1 HP 24VDC 1725 RPM motor. Often used to pump Diesel fuel. Pump housings and gears are made of top quality bronze, shafts are stainless steel 303. Bearings are made ...
    24vDC Learn More
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  6. Myers - QP20: Sprinkler Pump CI pump 2 hp

    Myers Pumps

    Sprinkler Pump CI pump 2 hp

    QP20
    $2,181.00
    Quick Prime self-priming pumps are designed to supply large quantities of water for long periods. QPs are ideal for lawn sprinkler systems, car washes and other high volume cleaning and maintenance applications. Also used on water cutting saws ...
    115v230v Learn More
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  7. Pacer 58-72K8 P Dewatering Pump Ped. Mnt.

    Pacer Pumps

    Dewatering Pump Ped. Mnt.

    58-72K8 P
    $1,102.85
    Dewatering pump. Self-priming, tough but light weight 2" dewatering pump, Pedestal Mounted for long coupled motor or belt drive. Industrial cast iron bearing pedestal with ball bearings and solid 3/4" Stainless Steel shaft. Pump casing is made or...
    TE2KBB Learn More
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  8. Oberdorfer N990RH-M46 Bronze Rotary Gear Pump w/ motor relief valve

    Oberdorfer Pumps

    Bronze Rotary Gear Pump w/ motor & relief valve

    N990RH-M46
    $2,748.20
    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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  9. Flojet-G57-diaphragm-pump-PumpBiz2.jpg

    Flojet Pumps

    Duplex Diaphragm pump

    G573185
    $317.40
    Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 3/8" MNPT" . Air connection is 1/4HB brass.

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  10. 379c-95 AMT Pump Sprinkler Booster pump

    AMT Pumps

    Sprinkler / Booster 2HP

    379C-95
    23% Off Special Price $891.76 Regular Price $1,158.13

    Sprinkler/Booster pumps by AMT feature Investment Cast 316 SS closed impellers for high efficiency and resistance against erosion caused by abrasive particles. All models self-prime to 20 feet. Single stage models feature a built-in check valve to...

    2HP 115/230v/1 TEFC Learn More
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