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Diaphragm

Diaphragm pumps offer versatile and reliable fluid handling for various applications. Known for their chemical resistance and efficient performance, diaphragm pumps are ideal for chemical processing, water treatment, and industrial applications.

Frequently Asked Questions

AMED-US provides a wide range of pumps, including gear, rotary vane, centrifugal, diaphragm, and peristaltic pumps. These are tailored for industries such as asphalt manufacturing, road
construction, water treatment, chemical processing, pharmaceuticals, and more.

Our preventative maintenance services are designed to extend equipment lifespan, reduce downtime, and enhance productivity. We ensure your pumps operate efficiently and reliably by conducting regular maintenance checks and using advanced technology.

AMED-US offers comprehensive pump installation services handled by experienced technicians. We also provide 24-hour repair services on-site to address any pump issues promptly and effectively, ensuring minimal disruption to your operations.

AMED-US is committed to delivering superior quality control, functionality, and technical support in every pump package. We offer a diverse selection of top-tier industrial pumps sourced from trusted manufacturers, backed by our expertise in customizing solutions to meet your specific requirements.

The frequency of routine maintenance for an Air-Operated Double Diaphragm (AODD) pump can vary significantly based on the specific application and operating conditions. However, a general guideline is to conduct routine maintenance on a monthly basis. Unlike centrifugal pumps, which often exhibit a gradual decline in performance, AODD pumps tend to either function properly or fail abruptly. Therefore, performing regular visual and auditory inspections is crucial for early detection of potential issues and ensuring the pump remains in optimal working condition.

Before commencing maintenance on your Air-Operated Double Diaphragm (AODD) pump, it is essential to familiarize yourself with its basic components. Maintenance typically involves disassembling the pump for inspection.

 

Inspect the Diaphragm: Begin by examining the diaphragm for any signs of wear, such as cracking, holes, warping, or bubbling. The diaphragm is often the first component to degrade, so if you observe any of these issues, it likely needs replacement.

 

Ensure Proper Assembly: Verify that all parts of the pump are securely assembled. AODD pumps can become loose during maintenance, transportation, or operation, which can compromise their effectiveness or lead to malfunction.

By following these steps, you can maintain the optimal performance and longevity of your diaphragm pump.

An Air-Operated Double Diaphragm (AODD) pump is divided into two main sections: the wet/fluid side and the air side.

 

Wet/Fluid Side:

This section contains the components that come into direct contact with the fluid being pumped.

Key Components: Diaphragms, balls, seats.

 

Air Side:

This section consists of the parts that interact with the air used to drive the pump and should remain dry, although leaks can sometimes occur.

Key Components: Air chamber, air valve, main shaft.

Understanding these two sections and their components is crucial for effective maintenance and troubleshooting of the pump.

If fluid is exiting through the air exhaust of your AODD pump, it indicates a leak. To address this, disassemble the pump and clean it thoroughly. Inspect the diaphragms for any signs of leaks, bubbling, or warping, and replace them if necessary.

If your AODD pump is not pumping enough fluid, consider the following:

Pump Capacity: Ensure that your pump is capable of handling the required fluid volume for your application. If it isn’t, you may need a larger, more powerful pump.

 

Air Pressure: If the pump is designed to meet your fluid volume needs but still underperforms, excessive air pressure might be the issue. Contrary to common belief, higher air pressure doesn’t always result in more fluid being pumped. Excessive air pressure can cause the pump to cycle too quickly, preventing the chambers from fully filling with liquid before being expelled. Additionally, too much air pressure increases the strain on the pump by causing unnecessary strokes.

 

To achieve optimal performance, consider using an air filter/regulator. This will help you adjust the air pressure to the ideal level for efficient pumping.

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