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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. Jabsco 18610-0003 Bronze Utility Pump

    Jabsco Pumps

    Bronze Utility Pump

    18610-0003
    $888.33

    For general transfer pumping where self-priming, 6 gpm flow, debris tolerance and portable 115VAC operation is desired. Long lasting AC induction motor has no brushes to wear out. Do not pump gasoline or other flammable liquids. Do not run dry. Mo...

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  2. Flojet-G57-diaphragm-pump-PumpBiz.jpg

    Flojet Pumps

    Duplex Diaphragm pump

    G573205A
    $345.00
    Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 3/8" straight. Air connection is 1/4" BARB brass. Air operated diaphragm pumps used for cleaning chemicals an...

    3/8" FKM Learn More
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  3. Flojet 4300-529A 115v Dia. Pump w/Switch

    Flojet Pumps

    115v Dia. Pump w/Switch

    04300529A
    $623.33
    Commercial Duty - Developed to deliver higher flows up to 3.3 GPM using a four piston design with excellent self-priming capability. Built-in pressure switch automatically starts and stops pump at its 30 PSI setting. Motor is a Induction moto...
    Continuous Duty FKM Induction motor Learn More
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  4. Flojet 4300-531A 115v Dia. Pump w/Switch

    Flojet Pumps

    115v Dia. Pump w/Switch

    4300-531A
    $603.00
    Commercial Duty - Developed to deliver higher flows up to 3 GPM using a four piston design with excellent self-priming capability. Built-in pressure switch automatically starts and stops pump at its 30 PSI setting. Motor is a continuous duty PSC,...
    Continuous Duty Santo Learn More
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  5. Oberdorfer N993RM-J07 N993 Pump motor

    Oberdorfer Pumps

    N993 Pump & motor

    N993RM-J07
    $1,609.40
    Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pumps are positive displac...

    1/2HP 115/230v Relief Vavle Learn More
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  6. Oberdorfer N993C-M26 Bronze gear pump

    Oberdorfer Pumps

    Bronze gear pump

    N993C-M26
    $1,298.70
    Bronze gear pump. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pumps are p...

    3/4HP 115/230v Learn More
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  7. Oberdorfer N993R N993 bronze Gear pump

    Oberdorfer Pumps

    N993 bronze Gear pump

    N993R
    $1,019.20
    Pump Only PEO, no motor.Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

    Gear pu...

    Pump Only PEO Relief Learn More
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  8. 24vDC gear pump and motor oberdorfer bronze

    Oberdorfer Pumps

    N992R Gear Pump & Mtr

    N992R-C82
    $2,103.53
    24vDC gear pump and motor. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life. Inclu...
    1/4HP 24vDC 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...
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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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