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.
Learn More About Our Diaphragm Pump Technology


