Ductwork

Rectangular Ductwork. Spiral & Round Seamed Ductwork.
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Rectangular Machine Made Ducting System

Shan Industries proud to be the Pakistan’s first machine made HVAC duct manufacturer. We have following complete range of machine made ducting according to international standard classification..

Duct Transverse Joint System

TDF System

Transverse Duct Flange” is the integral part of the duct which is roll formed onto the duct during the manufacturing process. We’ve separate plant for TDF system capable of producing 34mm wide flange practicing the standard of HVCA and SMACNA. Gasket, Connecting Clip and corner with 4 nuts/bolts are used to connect the duct with the next duct piece. This connection is recognized for low leakage, less production and installation time.

TDC System

Transverse Duct Connector” is flange inserted on duct. It is similar with angle iron flange. It is preferred for strong structure for duct. The selection of size of the TDC Flange is according to the pressure class and size of the duct. Gasket Connecting Cleat or Clamp, corner with 4 nuts/bolts are used to connect the duct with the next duct piece. This connection is also recognized for low leakage, less production and installation time.