Description:

• Fabricated from 24, 22 or 20 gauge galvanized steel sheet.
• Circular spigots of required diameter and standard length of 75 mm would be fixed to the plenum box. Square, rectangular and oval shape spigots are available as option.
• Plenum boxes with side inlet are standard. Other positions are available as per the site conditions to suit client’s specifications.
• Plenum boxes have hemmed edge at the opening for fixing universal mounting brackets.
• Plenum boxes of length of upto two meters can be manufactured with single spigot. For more than 2 meters plenum boxes will be arranged with multiple spigots.
• Volume control dampers can be fitted to the spigots on request.

• Dummy plenum boxes: Dummy plenum boxes are available to cover inactive linear bar grilles and diffusers.

Plenum opening Vs No of slots: