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2 inch Diaphragm Pumps

2" Plastic and Metal diaphragm pumps. These AODD pumps come in PolyPro, Kynar PVDF, Aluminum and Stainless Steel 316SS. All-Flo is a leading manufacturer of air-operated double-diaphragm (AODD) pumps

Double diaphragm pumps are operated by compressed air or any non-flammable compressed gas. The pumping stroke begins as air is delivered by the air distribution system, putting pressure on one diaphragm and then the opposite diaphragm. The two diaphragms are linked together by a common rod. The pumping stroke on one side is simultaneously the suction stroke on the opposing diaphragm alternately drawing fluid in one side while discharging fluid from the other side

All The Diaphragm Pumps in this series are 2 inch and have a Bolted  design.

Click here to Learn How to Size your Diaphragm Pump and for a Material Selection Guide

Diaphragm Trash Mud Pumps. Trash Pumps - Gas and Electric powered. 

Made in the USA by a American company All-Flo, a div of PSG.

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  1. 2" 5 items
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  1. All-Flo

    Stainless Steel Air Operated Double Diaphragm Pump

    A200-CA3-GG3N-B70

    $4,320.41

    316 Stainless Steel Diaphragm 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. 316SS 2" connections are dual FNPT and Flange (ANSI 150#/DI...

    Stainless, Geolast, Nitrile 2 inch Learn More
  2. All-Flo

    Stainless Steel Air Operated Double Diaphragm Pump

    A200-C33-TT3T-B70

    $6,775.51

    Stainless Steel AODD Pump 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. 316SS 2" connections are dual FNPT and Flange (ANSI 150#/DIN) design.

    ...
  3. All-Flo

    Stainless Steel Air Operated Double Diaphragm Pump

    SE-20

    $5,984.69

    2" Stainless Steel Air Operated Double Diaphragm Pump 2". FDA Santoprene diaphragm. Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. 2" connections ar...

    316SS, Santo, EPDM 2" Learn More
  4. All-Flo

    PolyPro 2" Diaphragm Pump

    PT-20

    $4,787.76

    PolyPro 2" Diaphragm Pump, old PT-20. 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.

    Models available in PP, PVDF, Nylon, Conductive Nylon, Al a...

    Teflon diaphragm Learn More
  5. All-Flo

    PolyPro 2" Diaphragm Pump

    PE-20

    $3,997.96
    PolyPro 2" Diaphragm Pump, replaces PE-20. 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. Models available in PP, PVDF, Nylon, Conductive Nylon...
    Santoprene diaphragm Learn More
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