The 8211 series vacuum diaphragm are ideal for integration with aspirators, vacuum ovens, analyzers, autoclaves, and the like. Models in the series have a vacuum output up to 29 in.Hg (-980 mbar), and a load capacity threshold of 2.5 cfm (35 l/min). They produce minimum vibrations, and create noise levels as low as 54 dBA.

These diaphragms are resistant to aluminium seawater, and require no maintenance.