AD B-20 Series
Plain Duct Application, Toggle Lock
Door Thickness : 1-25*mm; 2-40mm; 3-50mm
A – Removable; AH – Hinged
Construction: Galvanized Steel (GI)
Data
Standard Construction
Frame
0.9 mm thick galvanised steel.
Door
Double skin 0.9 mm thick galvanized steel internally insulated. Door thickness 25 mm.
Insulation
48 kg/m³ density rockwool.
Lock
Die cast Zinc plated steel Toggle lock.
Gasket
3 mm thick Neoprene Gasket.
Handle
Galvanized steel handle.
Flange
Type 1 : Plain edge type flange.
Optional Fittings
Door
Double skin 0.9 mm thick galvanized steel internally insulated, door thickness 40 / 50 mm.
Hinges
One side Continuous hinges.
Flange
Type 2 : Knock-over edge type flange.
Glass window
Square transparent glass window.
Security chain
Galvanized steel chain.
Frame and Door Material
Stainless steel (304/316L)
Note:
N = Neck size (W x H)
Overall Width = Neck width + 30 mm
Overall Height = Neck Height + 30 mm
Application
• Suitable for installation on plain surface air ducts and can be installed easily on site works.
• The insulated double wall construction will act as a barrier for leakage of air as well as for transfer of heat.
• Suitable for insulated or uninsulated ducts.
