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Air-Operated Double Diaphragm (AODD) Pump
What is an AODD pump?
An AODD pump, or Air-Operated Double Diaphragm pump, is a type of positive displacement pump that uses compressed air as the power source to move fluids. It's often used for transferring various types of liquids, slurries, and even some solids.
Air Operated Double Diaphragm (AODD) Pumps from Fluimac are developed through innovative design and have long been recognized as the most flexible pumps of the industry for handling difficult liquids at relatively low pressure and flow.
Here's how an AODD pump generally works:
1) Diaphragms: AODD pumps have two flexible diaphragms, typically made of materials like rubber or thermoplastics. These diaphragms are connected to the pump's air distribution system on one side and the fluid chambers on the other side.
2) Fluid Chambers: The pump contains two fluid chambers, each separated by a diaphragm. These chambers are connected to the suction and discharge ports.
3) Air Distribution System: The pump uses compressed air to alternate between the two diaphragms. When one diaphragm is being pushed outward by the compressed air, the other diaphragm is pulled inward. This alternating action creates a pumping motion.
4) Suction Stroke: As one diaphragm pulls inward, it creates a vacuum in the corresponding fluid chamber, causing fluid to be drawn in from the suction side of the pump.
5) Discharge Stroke: Simultaneously, the other diaphragm is being pushed outward, pressurizing the fluid in the other chamber and forcing it out through the discharge side of the pump.
6) Check Valves: AODD pumps usually have check valves at the inlet and outlet ports of each fluid chamber. These valves prevent backflow of fluid and help maintain the flow direction.
Advantages of AODD Pumps
Why AODD Is For Your Business
Versatility
AODD pumps can handle a wide range of fluids, from thin liquids to viscous materials, corrosive chemicals, abrasive slurries, and even solids in suspension.
Easy Maintenance
These pumps have relatively simple design construction and fewer moving parts compared to some other types of pumps, which can lead to easy maintenance and lower maintenance costs.
Reduced Manual Input
AODD pumps are often self-priming, meaning they can create a vacuum to draw fluid into the pump without needing external priming assistance.
Ability to Run Dry
AODD pumps can run dry for short periods without damage, which can be beneficial in applications where fluid availability might be inconsistent.
Portable & Easy to Install
Since they are air-operated, AODD pumps don't require electricity and can be easily moved to different locations.
AODD pumps find applications in various industries, such as chemical, pharmaceutical, food and beverage, mining, wastewater treatment, and more, where their versatility and ability to handle different types of fluids make them valuable tools for fluid transfer.