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Dosing Pump

Pumpbiz is a worldwide distributor of pumps including chemical dosing pumps. Dosing pumps, or metering pumps, are positive displacement pumps designed to deliver a precise amount of chemicals or substances into a flow of fluid or gas. There are a number of ways a dosing pump delivers a chemical or other product, but it generally involves a specific amount being drawn into a chamber and then injected into a pipe or tank.

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  1. Pulsafeeder

    115V digital metering pump 24 GPD/100 PSI

    LMB4TA-PTC1

    $1,493.10
    Chemical metering injection pump. True microprossor controled instrument for precise and accurate metering control. 24GPD / 1.0GPH flow max. Packed with standard features, it includes automatic control via 4-20mA or 20-4mA inputs, external pace...
  2. Flojet Pumps

    Diaphragm Pump 1.9GPM

    N5100050A

    $300.00
    Oil Resistant Acetyl Copolymer housing with Buna Elastomers. 5100-050A Flow rates to 1.9gpm and operating pressures 20 to 75psi, Duplex diaphragm design. Foam application. SALE!!!

    Max. air 80 PSI and .77 CFM For use on water like liquids.

    Buna Learn More
  3. Pulsafeeder

    115V digital metering pump 120 GPD/100 PSI

    LMH6TA-PTS3

    $1,891.50
    Chemical metering injection pump. True microprossor controled instrument for precise and accurate metering control. 240GPD / 10GPH flow max. Packed with standard features, it includes automatic control via 4-20mA or 20-4mA inputs, external pace w...
  4. Flojet Pumps

    Diaphragm Pump 1.9GPM

    N5100040

    $290.00
    Oil Resistant Acetyl Copolymer housing with Santoprene, FKM, Geolast and Buna Elastomers. Flow rates to 1.9gpm and operating pressures 20 to 75psi, Duplex diaphragm design. Foam application. SALE!!!

    Max. air 80 PSI and .77 CFM

    Neoprene Learn More
  5. Aquatec Pumps

    115v Electric diaphragm pump

    5850-7E12-J574

    $281.78
    Electric diaphragm pump. These pumps are specifically designed for mobile low flow or low voltage applications such as Expreso coffee, water systems, ice makers, pesticides and fertilizers. Pressure switch set at 60 PSI. Connections are 3/8 " Joh...
  6. Pulsafeeder

    METERING PUMP 24GPD/100 PSI

    LPB4MA-PTC1

    $1,261.98
    The Series E Plus offers the option to choose between4-20mAfor external pace inputs for automatic control.
    • 20 flow/pressure envelops
    • 100:1 turn down ratio
    • Optional 4-20mA with stop function
    • Optional External Pacing with stop function
    • Auto-off-Ma...
  7. Pulsafeeder

    Metering Pump 3 GPD/300 PSI

    LPK2SA-PTC1

    $2,615.94
    The Series E Plus offers manual control over stroke length andstroke rate as standard. 3 GPD / 0.47 LPH / .125 GPH
    • 20 flow/pressure envelops
    • 100:1 turn down ratio
    • Auto-off-Manual selection switch with indicator lights
    • Built in fuse
    • Clear h...
    Manual Learn More
  8. Flojet Pumps

    Air Diaphragm pump

    G575215A

    $214.51

    Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with Santoprene diaphragms and EPDM check valve seats. Springs are Hastalloy. Often used on water cooling circuit for spot welders. Coolant pump replacement weilander tim...

  9. Aquatec Pumps

    5 chamber diaphragm pump 230V

    5513-1E12-B706

    $290.54
    550 Series Super Flow Pump: 230V Reverse Osmosis System Pump, High Powered RO / DI Reverse Osmosis Pump

    OPERATION: The 550 pumps can draw water from a holding tank and pressurizeit, or boost the pressure from a low pressure source. It is desig...

  10. Aquatec Pumps

    5 chamber diaphragm pump 230

    5503-1FE1-B706

    $289.08
    550 Series Super Flow Pump: Reverse Osmosis System Pump, High Powered RO / DI Reverse Osmosis Pump. Quad QD ports. Order fittings seperately.

    OPERATION: The 550 pumps can draw water from a holding tank and pressurizeit, or boost the pressure from...

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