FLEXIBLE DUCTING FOR MINE AND TUNNEL VENTILATION.
MINEVENT
High pressure round ventilation ducting for positive airflow.
TWINDUCT
Oval chambered ducting for positive pressure ventilation. Designed to maximize headroom in drift/tunnel by 25%.
MINEDUCT
Round spiral wire reinforced ventilation ducting for positive and negative airflow.
DERFLEX professionally produce PVC coated fabric material, mineduct material, anti-static tarpaulin material, flame retardant fabric. If you are interested, please contact us freely.