HMK - Reactive diffuser plenum box

Plenum box HMK is used for hidden ­installation of ­reactive supply air diffusers in a ­suspended ­ceiling system. The diffuser box is sound ­absorbent and equipped with a damper for ­adjustment. The diffuser section is installed in the plenum box with bayonet fitting.

Available for duct dimension 250 mm. The full name for HMK is HMK-250/400.

Other
HMK is equipped with nipple for pressure measurement. Current flow from the diffuser can be easily checked by multiplying the measured pressure in Pa by 10.

Where necessary, HMK can be converted to ­plenum box HTK for ­installation of active ­supply air diffusers.