The Dürr (DE) and Metasys (A) centrifugal separators separate amalgam at 98% in compliance with European Regulation 2017/852.
The drain valve conveys waste water from the spittoon to the wet loop aspiration system. Its installation prevents aspiration losses as well as annoying noises and odours that may come from the aspiration system.
The selection valve regulates the air flow between the centralised aspiration system and the dental unit. It also ensures that the vacuum is generated only when necessary, thus avoiding annoying noises.