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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 SOME 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. These would be diaphragm / mud Pumps.

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. While some are limited to only a few feet vertical suction lift.

Self Prime pumps come in all materials like Cast Iron, FRP, Aluminum and Stainless. Powered by electric motors, gas / diesel engines, PTO / pedestal and air / pneumatic.

Many self priming pumps are able to handle debris / trash / solids, while others are for high pressure (fire fighting, irrigation, washdown).

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  1. AMT IPT Gorman Rupp trash pump

    Gorman-Rupp Pumps

    2" Honda Powered Trash Pump

    2S5XHR
    25% Off Special Price $1,407.29 Regular Price $1,876.38

    Honda 2" Engine Powered Trash pump by AMT

    is designed for applications which require high flow efficiency and solid handling capability. Honda engine trash pumps are constructed of heavy duty sand cast aluminum components featuring replaceable du...

    Honda Water Trash pump Learn More
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  2. MP - 33354: FM40 Engine Mount Pump

    MP Pumps

    FM40 Engine Mount Pump

    33354
    $10,375.00
    Flomax 40 are self-priming pumps, pipe size 4" NPT. PUMPAK for Engine Drive. Used for irrigation, ship fire protection, and other water pump applications requiring high pressure and high flow. ENGINE NOT INCLUDED, use 18-50 HP.
    For engine drive mount CI Learn More
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  3. MP 21301 FM5 Pump w/ no engine

    MP Pumps

    FM5 Pump w/ no engine

    21301
    $3,537.50
    Flomax 5 are self-priming pumps, pipe size 1.5" NPT. Pump end for use with standard engines. For use with pump engine. Bronze
    Bronze, Engine mount kit Learn More
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  4. MP 21306 FM5 Pump w/ no engine

    MP Pumps

    FM5 Pump w/ no engine

    21306
    $1,100.00
    Flomax 5 are self-priming pumps, pipe size 1.5" NPT. Pump end for use with standard engines. For use with PUMPAK with Base and Fasteners.
    Learn More
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  5. 379D-95_11.gif

    AMT Pumps

    Sprinkler Booster Pump 1.5HP

    379J-95
    $1,116.69

    AMT Sprinkler/Booster pumps 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 in...

    230/460v TEFC Learn More
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  6. 3932-95.gif

    AMT Pumps

    2" Engine-Driven Trash Pump

    3930-95
    23% Off Special Price $899.12 Regular Price $1,167.69

    2" Trash Pump for Sale. The AMT line of Engine Driven Trash pumps is designed for applications which require high flow efficiency and solids handling capability. Pumps are constructed of heavy duty sand cast components featuring removable/replacea...

    Briggs 6.5HP - OBSOLETE, call or email for alternative assistance. Parts still available. Learn More
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  7. AMT 336G-K6 Mud pump 2 Diaphragm Trash Pump KIT

    AMT Pumps

    2" Diaphragm Trash Pump KIT

    336G-K6
    23% Off Special Price $1,758.97 Regular Price $2,284.38
    Mud pump. Pump KIT only, NO Engine. AMT 2" Diaphragm pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps, mudhog or Sludge pumps, diaphragm pu...
    Learn More
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  8. FatBoy Diaphragm Pump Bypass

    Remco

    FatBoy Diaphragm Pump Bypass

    5518-2I1-94A
    $283.94

    THE PROFLO FATBOY® PUMPS UP THE VOLUME WITH 7GPM.

    FatBoy® Demanding industrial pump environments require precise engineering and quality components - the ProFlo FatBoy was designed with both. Liquid de-icing applications. To maximize the potent...

    7GPM 100PSI 12VDC FatBoy® Learn More
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  9. Adjustable mechanical feed rate

    Stenner

    Adjustable mechanical feed rate, dual head dual control 50GPD

    100DM4
    $694.00
    G.H. Stenner & Company offers a complete line of highly reliable peristalic chemical feeders. Use for grease trap enzymes, algaecide, biocide, biocidal, antimicrobial, chlorination - chlorine sanitizers and disinfectants injection, cooling towe...
    Learn More
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  10. Oberdorfer N991R-32 N991 Bronze gear pump PEO

    Oberdorfer Pumps

    N991 Bronze gear pump PEO

    N991R-32
    $596.70

    Bronze gear pump

    NO motor. 1/4" Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Include relief valve built in. Bearings are designed of high performance carbon-graphite material selected for wear resis...

    Pump End ONLY Learn More
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