“Air Operated Diaphragm Pumps: The Versatile Solution for Fluid Transfer"

Double Diaphragm Pumps, or Air-Operated Diaphragm Pumps (AODD Pumps), are the positive displacement pumps of general-purpose use. They are operated with compressed air, and hence they can be applied in a vast range of applications in many industries. Ali Yaqoob provides a full line of such pumps for use in demanding environments with reliability and efficiency.

How Air-Operated Diaphragm Pumps Work

AODD pumps utilize compressed air to force two soft diaphragms in opposite directions. Alternating action creates alternating chambers that accumulate fluid and then release the fluid. The process steps are as follows:

Air Distribution: Compressed air is fed to the pump and supplied to either of the two diaphragms.

Chamber Filling: Whenever one diaphragm moves in the outward direction, it creates a vacuum in the chamber so that fluid moves in through an inlet valve.

Chamber Emptying: Simultaneously, the pressurized air pushes the other diaphragm inward, making the fluid exit out of its chamber through an exit valve.

Cycle Reversal: The pressurized air is then channeled through an air valve to the second diaphragm, reversing the cycle and allowing continuous fluid transfer.

Main Benefits of Double Diaphragm Pumps

Versatility: AODD pumps are capable of handling a broad range of fluids, from abrasive slurries to viscous liquids, and shear-sensitive products.

Self-Priming: They are self-priming in design and thus are perfectly suited for applications where the pump is above the fluid source.

Dry Running Ability: AODD pumps won't be harmed if dry-run, and therefore no expensive repair is required.

Explosion-Proof: Compressed air-powered, the AODD pumps are explosion-proof in nature, and thus they can be operated safely in explosive atmospheres.

Pressure and Flow Rate Adjustment: Pressure and flow rate are easily adjustable by adjusting the air supply.

Submersible: There are certain AODD pumps that can be completely submerged in the pumped media.

Applications Across Industries

Double Diaphragm Pumps find applications in various industries including:

Chemical Processing: Chemical transfer and chemical dispensing of chemicals, acids, and solvents.

Wastewater Treatment: Sludge, slurry, and corrosive chemicals pumping.

Food and Beverage: Thick fluid treatment including sauces, syrups, and fruit pulps.

Pharmaceutical: Handling sensitive low-shear fluids.

Mining: managing abrasive slurries and dewatering.

Paint and Coatings: managing paint, coating, and ink.

Oil and Gas: managing oil, fuel, and drilling mud.

Construction: Dewatering operations and working with cement slurries.

Choosing the Proper AODD Pump

It depends on a range of factors, including:

Fluid Type and Viscosity: Materials within the pump must be compatible with the fluid.

Flow Rate and Pressure Requirements: The pump must be sized for the required flow rate and pressure.

Temperature: The working temperature should be withstood by the materials of the pump.

Application Environment: Exposure to hazardous materials or submersible use may have to be accommodated.

Conclusion

Double Diaphragm Pumps/Air Operated Diaphragm Pumps are a robust, versatile, and reliable solution for most fluid transfer operations. Their ability to transfer varied fluids, self-priming action, and explosion-proofing qualify them as a valuable asset in most industries. Ali Yaqoob offers a complete range of Air Operated Double Diaphragm (AODD) pumps for your specific application needs that exhibit better performance, and longer life. When deciding on which pump to use be sure to specifically define the fluid type and flow rate, the pressure, and operating conditions so that you can identify the best solution to your application.