Medium Size Duct Factory

 

There are mainly two kinds of flange systems of duct connection. American standard and European standard, which is TDF flange recommended by SMACNA association and  TDC flange recommended by British Refrigeration Association.

LAROSA knows flange structure very well, and quite familiar with the standards of duct pressure test and leakage test, including SMACNA, DW144/142, GB50243-97 standards. LAROSA import flange forming machines from CHINA  to achieve the international standard.

Medium Size Duct Workshop Diagram