Thomas leads the industry with high-quality diaphragm air compressors and gas pumps that offer exceptional durability and performance for OEM applications. The oil-free pumps are characterized by a reliable and stable performance, a compact and lightweight design as well as leak-tight air paths for contamination free operation.
Our gas diaphragm pump portfolio offers:
- Free flows from 530 ml/min (0.018 cfm) to 90 l/min (3.2 cfm)
- Maximum operating pressures up to 3 bar (43.5 psi)
- Maximum operating vacuums up to -990 mbar (29.2 in.Hg)
Gas Diaphragm Pumps for Your Critical Applications
Thomas gas diaphragm pumps are the preferred choice for a range of critical applications, from medical devices to environmental monitoring equipment. Our pumps are trusted in industries where reliability and performance are non-negotiable.
- Medical Devices: Our diaphragm pumps power essential devices such as patient monitors (capnography), dialysis machines, respiratory therapy equipment and negative pressure wound therapy (NPWT) devices.
- Environmental Systems: Applications include air sampling, gas detection, and wastewater treatment, where consistent and reliable pump performance is crucial.
- Industrial Processes: Ranging from pneumatic controls to fuel cell technology, showcasing our diaphragm pumps’ adaptability and resilience.
Customize Your Gas Diaphragm Pump to Fit Your Specifications
Customization is key for Thomas Gas Diaphragm Pumps. We offer an extensive lineup that can be tailored to meet the exact needs of your application.
Learn More About Our Diaphragm Pump Technology


