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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.

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  1. AMT Pumps

    2" Electric Diaphragm Trash Pump

    338E-96

    23% Off Special Price $2,646.64 Regular Price $3,437.19

    New model 338E-96 Powered by 1.5HP electric motor. AMT 2" Diaphragm pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. ALSO AVAILABLE IN 1-PHASE,115/230V Often referred to as ...

    1.5HP 115/230v Learn More
  2. AMT Pumps

    2" Gas Powered Diaphragm Pump

    69-G633

    23% Off Special Price $2,045.31 Regular Price $2,656.25

    Mud pump. Powered by 4 HP Honda GX 120 Engine. 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 pumps, diap...

    Honda GX120 Learn More
  3. AMT Pumps

    2" Diesel Pump

    336Z-96

    23% Off Special Price $3,876.93 Regular Price $5,034.98
    2" Mud pump. Powered by 4.8 HP Hatz diesel Engine, Electric Start. 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, mudho...
  4. AMT Pumps

    2" Diaphragm Trash Pump KIT

    336G-K6

    23% Off Special Price $1,758.97 Regular Price $2,284.38
    Mud pump. Pump KIT only, NO Engine. 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 pumps, diaphragm pu...
  5. AMT Pumps

    2" Diaphragm Trash Pump KIT

    338G-K6

    $3,007.94
    Mud pump. Pump KIT only, NO Engine. 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 pumps, diaphragm pu...
  6. AMT Pumps

    3" Honda Driven Diaphragm Pump

    69-H533

    20% Off Special Price $2,150.50 Regular Price $2,688.13

    Honda GX160 gas engine 5.5HP. 3" 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 or Sludge pumps, diaphragm pumps are designed to p...

    Honda GX160 Learn More
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