Built for Power, Built to Last
Global Provider of Air-Operated Double Diaphragm Pumps
WHY CHOOSE AN IWAKI AODD PUMP?
Iwaki Air AODD pumps are engineered for maximum utility. These air operated diaphragm pumps are portable, as well as easy to install, operate, and maintain. With their infinitely variable flow rates and variable discharge pressures, these air diaphragm pumps can handle various fluids, including corrosive chemicals and flammable liquids. Iwaki Air AODD pumps can run dry, self-prime and dead-head without damaging the pump. Most importantly, these air-operated diaphragm pumps feature a lube-free air valve with a non-centering spring, which is specially designed to avoid stalling and is accessible for easy maintenance.
Being an experienced AODD pumps manufacturer, we understand the pumping challenges of different industries dealing with toxic, corrosive, and extremely sensitive fluids. Our AODD diaphragm pumps are built for power. A higher power output means the pump can operate with less applied air pressure compared with many competitor’s pumps – often outperforming pumps that may have a higher listed flow rate.
FIRST IN QUALITY
Iwaki Air understands the importance of quality and innovation. Total Quality Management is ingrained in the Iwaki Air brand of Air-Operated Double Diaphragm pumps, which are manufactured under stringent ISO 9001 standards. Quality is paramount in every aspect of the design, engineering and manufacturing of Iwaki Air AODD pumps. An industry-leading and innovative pilot valve design and superior non-lubricated air valve technology are key to Iwaki Air AODD pump’s renowned reliability. Quality is evident from the start, in the sourcing of raw materials, which come from well-known and reputable global suppliers. Careful selection of high-quality materials ensures exceptional chemical resistance compared to air-driven double diaphragm pumps made from inferior materials. Every air diaphragm pump is leak-tested to ensure years of reliable service.
FEATURES
IWAKI AODD PUMPS
An Air Operated Double Diaphragm pump (AODD) features two pumping chambers and flexible diaphragms and are reliable, as well as easy to maintain. The pumping action is created by feeding and venting the compressed air to chambers located on the diaphragm’s opposite sides. AODD diaphragm pumps are used for fluid transfer applications across industries. They are used for transferring slurries, sludge, sensitive fluids, and abrasives. As an AODD pumps manufacturer, we take pride in our offerings of standard and specialty AODD pumps, which may make the selection of these pumps challenging.
FAQ’s on Air-Operated Double Diaphragm Pumps
Air operated diaphragm pumps utilize flexible diaphragms to separate the fluid and compressed air supply. The diaphragms are driven by compressed air to minimize mechanical stress and improve their lifespan. The air valve system, which has two outlet and inlet valve balls, opens and closes as fluids pass through the pump.
The AODD pump starts the operation when the air distribution system directs the air to the air chamber and the diaphragm. The air is usually directed to the back side of the diaphragm, which moves the diaphragm toward the liquid chamber. In this process, the opposite diaphragm is pulled inward. The atmospheric pressure forces the fluid to reach the inlet manifold. This makes the liquid to flow into the liquid chamber, moving past the inlet valve ball.
Once the liquid chamber on one side of the AODD pump reaches capacity, compressed air is redirected to the back of the opposite diaphragm, causing it to pull away while the other is forced towards the liquid chamber. This process closes the intake valve ball and lifts the discharge valve ball off its seat, allowing the liquid to flow through the discharge manifold. The process is then repeated on the opposite side, with each diaphragm going through one discharge and one suction stroke before returning to its original position.
AODD pumps assure leak-free and smooth fluid transfer in most applications where they are used. This makes them an ideal choice for applications where challenging fluids may be involved. The following are a few applications of these pumps.
- Oil and Gas: Air-driven double diaphragm pumps are also known as double diaphragm pumps, used in the oil and gas industry for safe transfer of corrosive fluids without seals to prevent leaks and contamination.
- Mining: Portable and lightweight Air operated pumps are utilized for mineral and ore extraction to handle high flow rates and prevent leaks. Their mobility allows easy site-to-site transport.
- Water and Wastewater Treatment: Air operated diaphragm pumps are used extensively in water purification, chemical treatment, and sludge removal processes.
- Food and Beverage Processing: Our FDA Air operated Pumps are designed to maintain hygienic standards in food, beverage, and pharmaceutical industries, transferring fluids without altering taste or form and avoiding excessive mixing/shearing.
Iwaki Air provides a range of industrial AODD pumps, available in various sizes and materials. Through extensive testing and critical analysis, Iwaki Air has made significant breakthroughs in AODD pump diaphragm technology, resulting in more durable products that can withstand harsh fluids such as oil, chemicals, and acids. Additionally, Iwaki Air has pioneered new hygienic, FDA-compliant diaphragms with enhanced flex life and durability, making them ideal for sanitary applications and providing substantial savings in labor and downtime.
Over the years, a number of materials have been tested extensively for use in diaphragms in AODD pumps. These materials can be grouped into three primary families: Rubber, TPE (thermoplastic elastomer) and PTFE (Polytetrafluoroethylene or Teflon® ). Each family and the materials offer properties and attributes that make them suitable for different applications.
Elastomer Properties and Limitations
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