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Metering Pump

Pumpbiz provides a wide selection of metering pumps from a range of manufacturers. Metering pumps, also called dosing pumps and proportioning pumps, are pumps that add precise amounts of liquid to other fluid streams or vessels.
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  1. All-Flo Pumps

    Plastic Air Operated Diaphragm Pump

    A050-SPP-GGPN-S70

    $1,030.50
    PolyPro Air AODD Pump 1/2". 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...
  2. All-Flo Pumps

    PP Air Operated Double Diaphragm Pump Bolted Series

    S038-SQP-GNPN-S70

    $634.49

    PolyPro Air AODD Pump 3/8". Max-Pass valve installed. Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. Replaces previous model PB-038.  Click here to ...

  3. All-Flo Pumps

    PP Air Operated Diaphragm Pump

    PT-038

    $947.10
    PolyPro Air AODD Pump 3/8". C038-SQP-TTPT-S70 Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. For handling large size solids order the Max-pass v...
    3/8" PP/TFE Learn More
  4. All-Flo Pumps

    PP Air Operated Double Diaphragm Pump Bolted Series

    PV-038

    $648.14
    PolyPro Air AODD Pump 3/8". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. For handling large size solids order the Max-pass valve under accessor...
  5. All-Flo Pumps

    PP Air Operated Double Diaphragm Pump Bolted Series

    KT-038

    $968.01
    PolyPro Air AODD Pump 3/8". 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...
  6. Hypro Pumps

    Bronze Gear pump only

    GMBN3VA

    $1,295.88
    Rotary Gear pump end. 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 pres...

    3/8" motor mount kit Learn More
  7. Pulsafeeder

    Chemical Metering Pump

    LB04SA-PTC1

    $1,291.08
    Chemical metering pump. 25GPD The Series A Plus offers manual control over stroke length and stroke rate. Head mat'l is glass-filed PPL.
    • 4 distinct flow/pressure envelops
    • 100:1 turn down ratio
    • Internally dampened to reduce noise - ideal f...
  8. All-Flo Pumps

    PVDF Air Operated Double Diaphragm Pump

    KV-038

    $969.69
    Kynar PVDF Air AODD Pump 3/8". 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 Mat...
  9. Pulsafeeder

    Metering Pump 5 GPD/250 PSI

    LPB2SA-PTC1

    $848.16
    The Series E Plus offers manual control over stroke length andstroke rate.
    • 20 flow/pressure envelops
    • 100:1 turn down ratio
    • Auto-off-Manual selection switch with indicator lights
    • Built in fuse
    • Clear hinged cover over controls for water resistance...
  10. Hypro Pumps

    Bronze Gear pump only

    MBN3VA

    $5,401.27
    Rotary Gear pump end. 303 SS fastners, 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 pressure...

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