ZZJG fire dampers are manufactured according to international standards for both rectangular (width B 100-1300 mm and height H 100-1200 mm, 1 mm division) and circular ducts (Ø100-1250 mm). Modular constructions are available for bigger sizes.
Non-standard dimensions and flange drilling are available on request.
Standard flange width 27 mm. Flanges and drilling also available according to ISO 15138 standards.
Blades are made of two sheets, each of them being 1 mm thick (sandwich design).
Technical Parameters:
