Gas Diaphragm Pumps for Reliable Gas Handling

Precision gas diaphragm pumps from ADI, designed to excel in hazardous and safe areas. These corrosion-resistant and low-maintenance pumps are your go-to choice for accurate gas analysis and gas handling needs.


A Gas Diaphragm Pump is a versatile workhorse in the world of gas sampling, known for its reliability and accuracy. These versatile pumps efficiently transport, compress, and evacuate gasses while maintaining their purity. They play a vital role in industries like oil refining, petrochemicals, power generation, nuclear energy, environmental monitoring, cement production, pulp and paper manufacturing, and automotive applications. 

At ADI, we take gas-powered diaphragm pumps to the next level with our Dia-Vac® pumps. Our pumps offer outstanding performance, and they are entirely free from oil, contamination, and leaks. Our Gas Diaphragm Pump features make it ideal for critical applications across both hazardous and safe areas.


Unleashing the Power of
Gas Diaphragm Pumps 

Choosing ADI for your gas sampling diaphragm pump needs opens the door to a host of valuable advantages: 


  • High Performance Pumps: ADI's Dia-Vac® pumps are efficient and reliable. They're made with precision and thoroughly tested to ensure consistent and effective gas analysis.

  • Contamination-Free Design: Our pumps are carefully designed to keep gas samples pure. They work without oil, preventing pollution and gas leaks. Plus, they have safety certifications like ATEX, NEC, and IECEX for hazardous environments.

  • Customizable Solutions: ADI knows that every application is unique. We offer tailored solutions to match our gas diaphragm pumps with your specific needs. Whether you need different gasses or deal with varying environmental conditions, our flexible approach ensures top performance.

  • Fast , Reliable Delivery: We prioritize quick shipments at ADI because we understand the importance of getting gas sampling solutions on time. Our commitment to prompt deliveries shows our dedication to your success in gas analysis, helping you meet project deadlines efficiently.

Dia-Vac® Technology: The Heart of Precision 

At the heart of our diaphragm pumps is the Dia-Vac® Technology. This innovation enhances pump efficiency, reliability, and durability, ensuring seamless gas sampling operations. Learn more on our dedicated Dia-Vac® Technology page. 

Explore a wealth of knowledge in air and gas handling through our ADI Knowledge Hub. From the basics of air compression to advanced applications across various industries, our hub offers valuable insights. Join us on a journey of excellence in air and gas handling. Welcome to the ADI Knowledge Hub, where our commitment to excellence means sharing insights to help you make informed decisions.


All About Gas Diaphragm Pumps 

What is a Gas Diaphragm Pump? 

A gas diaphragm pump is a versatile device used in various industries, such as oil refining, petrochemical, power generation, nuclear, environmental monitoring, cement, pulp and paper, and automotive sectors. These pumps play a critical role in ensuring accurate gas analysis in both hazardous and safe areas, making them crucial for maintaining result accuracy.

Where are Gas Diaphragm Pumps Used? 

Gas diaphragm pumps find applications across a wide spectrum of industries, including oil refining, petrochemical, power generation, nuclear, environmental monitoring, cement, pulp and paper, and automotive sectors. They play a crucial role in achieving precise gas analysis in both hazardous and safe areas, guaranteeing the accuracy of results. 

How Do Gas Diaphragm Pumps Work? 

Gas Diaphragm Pumps operate using a flexible diaphragm that oscillates within a pump chamber, generating suction and discharge movements. In the suction stroke, the diaphragm moves away from the inlet, creating a partial vacuum.

This action draws gas in through the inlet port. During the reverse stroke, the diaphragm compresses the gas, pressurizing it. Finally, in the discharge stroke, the diaphragm expels the pressurized gas through the outlet port, making it ready for analysis. 

How Can I Optimize Gas Transfer for My Specific Application Using a Gas Diaphragm Pump? 

To optimize gas sampling, focus on key factors like selecting the right pump model, configuring it for specific gasses, and following proper maintenance procedures. ADI provides customization choices and expert assistance to fine-tune the pump to your exact requirements. You can consult your pump choice with one of our experts to ensure compatibility with specific gases and understand any potential limitations.

How To Select the Right Gas Diaphragm Pump?

To choose the best gas-powered diaphragm pump, start by clearly defining its purpose and specific application needs, including the types of gases, desired flow rate, and pressure. Evaluate the operating environment, especially in hazardous areas, and confirm the pump holds essential certifications like ATEX, NEC, or IECEX. Also, verify material compatibility. For assistance in choosing the right pump for your gas sampling needs, utilize our convenient pump finder tool.


Can Gas Diaphragm Pumps Handle Different Types of Gases and Environmental Conditions? 

Yes, Gas Diaphragm Pumps exhibit versatility in handling various types of gasses and adapting to diverse environmental conditions. ADI offers a comprehensive portfolio designed for both hazardous (Zone 1 and 2) and safe areas. You can refine your selection by considering a combination curve, which plots the flow rate against outlet pressure with a constant vacuum at the inlet, ensuring optimal performance across various applications and conditions.


What Maintenance Considerations Are There for Gas Sample Systems with Gas Diaphragm Pumps? 

Regular maintenance is essential to ensure the longevity and optimal performance of gas sample systems using diaphragm pumps. This includes periodic inspections, cleaning, and addressing any issues promptly. You can find more information on this topic here or contact us to discuss your requirements, get assistance in selecting the right spare parts, and ensure uninterrupted gas pumping performance.