The plenum box is intended for supply and exhaust air.
It is intended to accommodate a valve.
It is designed for ceiling installation but can be used at other locations as well.
All types have Ø 63 mm studs with Lindab Safe sealings for connections of either SR 63 spiral-seamed duct or semiflexible duct LFPE. Each Ø 63 connection is equipped with a clip to hold the semi flexible duct LFPE – Smart lock function.
Fulfils the requirements for air tightness class D.
The shown pressure drop is for the box alone, which means that the pressure drop for the valve has to be added.