- Hardware used to manufacture single blade damper on either rectangular or round ducting.
- The kit includes a cylindrical cup with graduated scale, a 8x8mm square front spindle welded to the handle and 2 locking screws, a 8x8mm square rear spindle, 2 omega straps and 2 screws, 2 air tight washers with gasket and a locking washer clip for rear spindle.
- Suitable for external insulated ducting. The height of the cup allows the use of external insulation up to 50mm thick. Ideal for dampers up to 1000mm.