DVAC Welded Circular Ducts are constructed with Cold Rolled Coils with a minimum of 16 Gauge, complying with NFPA 96.

This type of duct is mainly used for the Kitchen Ventilation System; it is fixed to the exhaust fans that takes the Air/Odor to outside of the kitchens and cooking areas.
Stainless Steel Ducts can be applied for same usage.

In Restaurants’ Kitchen, the temperature usually goes over 100°C, beside the high humidity levels which occurs a non-healthy and uncomfortable environment in the restaurants.

Construction of DVAC Welded Circular Ducts complies with SMACNA & NFPA 96 Standards

DVAC Welders are qualified and obtained WPQ (Welding Procedures Qualifications) certified by third party based on WPS (Welding Procedures Specifications) accomplished.