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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. 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
  2. Flojet Pumps

    Demand Spray Pump

    LF152421

    $179.00
    Demand Spray Pump. Far and away the best selling pump in the industry. Choose from standard models or configure to meet the special needs of your OEM application. Long-life (2000 hours typical) motors have either a chemically resistant plastic ho...
    12vdc Learn More
  3. Flojet Pumps

    Diaphragm pump

    G575208

    $214.51
    Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with Santoprene diaphragms and EPDM check valve seats. Springs are Hastalloy.

    Connections are 3/8" HB . Air connection is 1/4" PLASTIC.

  4. Flojet Pumps

    Duplex Diaphragm pump

    G575245

    $214.51
    Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with Santoprene diaphragms and EPDM check valve seats. Springs are Hastalloy.

    Connections are 1/2" 90 degree elbow. Air connection is 1/4" FNPT brass.

  5. Flojet Pumps

    Duplex Diaphragm pump

    G573175

    $317.40
    Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 1/2" Male Pipe Thread MNPT. Air connection is 1/4" barb brass. 2CFM air. Special mod...

  6. Flojet Pumps

    Duplex Diaphragm pump

    G573185

    $317.40
    Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 3/8" MNPT" . Air connection is 1/4HB brass.

  7. Flojet Pumps

    Duplex Diaphragm pump

    G573218

    $317.40
    Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.

    Connections are 1/2" HB straight. Air connection 1/4” (6.4 mm) Plastic Hose Barb

    Used with all sorts of cleaning chemicals an...
  8. 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
  9. 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
  10. 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...

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