Heavy gauge ducting systems
Full welded manual non-return valves with counterweight.
Assembled with two-part ring for easy opening in case of obstruction or material build-up.
The counter weight can be locked in the desired position by a butterfly nut for optimal airflow.
Rolled sheets with 6 mm edges for lock rings.
The displayed prices exclude VAT and are for informational purposes only, subject to change without prior notice. Images of the products used are 3D illustrations, small deviations are therefore possible. Although all the measurements are as precise as possible, some variations may occur during the production processes.