griglia afonica griglia acustica griglie afoniche
It can be standard or special, based on client’s constructional and dimensional specifications.
Perfectly sealed welded steel, which complies with EN 1886 2006, painted RAL 9005 opaque. On request it can be made in other kind of material and paint.
External insulation with heat-insulating adhesive polyethylene in first class of fire reaction (DM 26/06/1984).
Internar insulation on request.
Maximum operating temperature: 70°C (filter excluded).
PFA series plenums are installed on air diffusion systems with controlled contamination envoirement, as hospitals, clean rooms, pharmaceutic and food laboratories.