XLXCel flange

Doby Verrolec XCel flange system.

All rectangular ductwork cross joints shall be the Xcel slide on flange type complete with captive sealant pocket with integral
permanently flexible non toxic sealant, consisting of a Galvanised MS profile and EZP corner pieces. The appropriate size of
flange shall be fitted to the ductwork as covered by the construction tables 2 to 4 of specification DW144, shall be independently
tested to the procedures of BSRIA in accordance with HVCA specification DW/TM1, and as manufactured by Doby Verrolec. The
flanges shall be fitted to the ductwork and assembled on site with the appropriate gasket all to the manufacturers instructions.