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Diaphragm Pumps

Diaphragm pump is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or Teflon diaphragm and suitable non-return check valves to pump a fluid. Sometimes this type of pump is also called a membrane pump. A membrane made of elastomers or TFE, which flexes to produce pumping action. High viscosity liquids and solids ok.

The diaphragm is sealed with one side in the fluid to be pumped, and the other in air. The diaphragm is flexed, causing the volume of the pump chamber to increase and decrease. A pair of non-return check valves prevent reverse flow of the fluid.

Diaphragm pumps: have good suction lift characteristics, have good dry running characteristics, are low-shear pumps, can handle highly viscous liquids, cause a pulsating flow.

Diaphragm Pumps

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Items 1 to 10 of 14 total

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  1. Sotera

    Sotera 110V Diaphragm Pump

    SS460BX731


    Sotera Pump. Electric diaphragm pump.

    The hardworking SS460 AC pump is outfitted with a mounting
    surface adapter with internal 1"FNPT dual inlet connection and a
    3-wire electrical cord. 30 minute duty cycle. Electric diaphragm
    pump only, with Mou...

    Pump w/base
  2. AMT_336g mud pump AMT_336g mud pump
    Sale

    AMT

    2" Gas Powered Diaphragm Pump

    336G-96 Mud pump

    Mud pump. Powered by Honda GX120 Commercial Engine gas. 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...
    2" GX120 Honda

    35% Off Regular Price: $2,300.00

    Special Price $1,495.00

     Add to Cart Compare
  3. All-Flo

    Air Diaphragm Pump

    AE-15 diaphragm pump


    Air Diaphragm Pump 1.5". Lube-free air valve, Non-stalling, No vent
    holes for corrosive fumes to get into, All plastic air system are
    corrosion resistant. Non-electrical. Models available in PP, PVDF,
    Nylon, Conductive Nylon, Al and 316SS from .2...
  4. All-Flo

    PP Air Operated Double Diaphragm Pump Bolted Series

    PV-15

    PolyPro Air AODD Pump 1.5". Lube-free air valve, Non-stalling, No
    vent holes for corrosive fumes to get into, All plastic air system
    are corrosion resistant. Non-electrical 3/4" air inlet.

    Click here to Learn How to Size your Diaphragm Pump a...
  5. All-Flo

    PVDF Air Operated Double Diaphragm Pump Bolted Series

    C150-FPK-TTKT-B70

    PVDF Kynar Air AODD Pump 3/4". Lube-free air valve, Non-stalling,
    No vent holes for corrosive fumes to get into, All plastic air
    system are corrosion resistant. Non-electrical.

    Click here to Learn How to Size your Diaphragm Pump and for
    a Ma...
    KT-15 PVDF
  6. All-Flo

    Air Double Diaphragm Pump Repair kit

    AE-05 Wet End Kit


    Diaphragm pump wet end repair kit. Includes diaphragms (2), valves
    (4), orings. EPDM / Santoprene

    KIT
  7. All-Flo

    Air Diaphragm pump Aluminum

    A100-NAA-VVYV-000

    Aluminum Air AODD Pump 1". Lube-free air valve, Non-stalling, No
    vent holes for corrosive fumes to get into, All plastic air system
    are corrosion resistant. Non-electrical.

    Click here to Learn How to Size your Diaphragm Pump and for
    a Materi...
    Alum/Viton/1"
  8. All-Flo

    Polypropylene Air Operated Double Diaphragm Pump

    PB-20


    Polypropylene AODD Pump 2" NPT. Lube-free air valve, Non-stalling,
    No vent holes for corrosive fumes to get into, All plastic air
    system are corrosion resistant. Non-electrical. Models available in
    Alum, PVDF, Nylon, Conductive Nylon, Al and 316S...
  9. Myers-Seth

    Industrial Diaphragm pump 6" Diesel

    DD-6HAT


    Myers Seth Pumps we manufacture pumps that can handle more gallons
    per minute and a larger solid than any other 6 inch pump
    manufacturer on the market today. Our "Bread and Butter" are our
    High Volume pump line and our Double Diaphragm pumps, whi...
    Diesel Trailer Mount
    $26,992.00
     Add to Cart Compare
  10. Standard

    Stainless Steel Diaphragm pump

    SPSN15NPT

    Standardç—´ Sanitary Pumps are the ideal
    solution for food processing and pharmaceutical applications. Our
    sanitary AODD pumps feature highly polished SS316 components (32
    Ra), a swivel mounting stand and an energy-efficient, oil-free air
    valv...
    1/2" 316SS
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Items 1 to 10 of 14 total

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