| DESCRIPTION | VOLUME CONTROL DAMPERS |
| CASING DESIGN | AVAILABLE IN THREE TYPES: FLANGED, SLIP & CLIP OR BOX TYPE. |
| BLADES SECTION | AVAILABLE IN AEROFOILS DOUBLE SKINNED DESIGN OR 3V – SINGLE SKINNED DESIGN. |
| MATERIAL | FORMED 18 OR 20 GAUGE GALVANISED STEEL SHEET FOR CASING. EXTRUDED ALUMINIUM PROFILE OR GALVANISED STEEL SHEET FOR BLADES |
| BLADES OPERATION | MANUAL WITH HAND QUADRANT (STANDARD OPPOSED TYPE) |
| SIZES | AS PER REQUEST. |

