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A 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.

GPM offers diaphragm pumps and parts from:

Air-Operated Diaphragm Pumps

Versa-Matic is our most popular air-operated diaphragm line. Versa-Matic is the leader in robust AODD's and come in a variety of sizes and materials. For more information on the key features of Versa-Matic, click the link below:

Versa-Matic (VM): Double Diaphragm Air-Operated Pumps


Motor Driven Diaphragm Pumps

GPM carries Hydra-Cell High Pressure Hydraulic Diaphragm Pumps. No matter what the application, Hydra-Cell Diaphragm Pumps are built tough to get the job done without the constant worry about pump failure and costly repairs.

Key Features Include:

  • Smooth, low pulse output

  • Repeatable, accurate output - ideal for metering and dosing

  • Sealless design - can pump particles in suspension

  • Flexible installation with a variety of mounting configurations

  • Minimal maintenance; no cups, packings or seals - can even run dry!

  • Wide choice of materials of construction for pump heads, diaphragms and valve assemblies

  • High efficiency - low power consumption

  • Wide range of flow rates from 0.1 to 37 gpm (0.4 to 128 l/min) and pressures up to 2500 psi (170 bar)


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