A METU invention dating from 1971.
Today we offer access doors for practically
every air-duct type !
RD Access Doors
Access door for rectangular, non-insulated air ducts.
Large selection of sizes (11) and versions.
GX Access Doors
The GX is an alternative to the RD access door for rectangular, non-insulated air-ducts.
Advantages: has a low installation clearance and is easier to install.
Available in three sizes.
IRD-2,-3,-4 Insulated Acces Doors
For insulated rectangular ducts.
Insulation thickness between 20 and 55 mm.
IRD-3DE Insulated Access Doors with a 3rd Lid
For externally insulated rectangular air ducts.
Minimum insulation thickness about 10 mm.
IRD-DW1 Insulated Access Doors
For double-wall rectangular ducts and
ventilation ducts made of aluminum-coated rigid foam.
Insulation thickness from 10 to 60 mm.
Max. insulation thicknesses depending on the opening sizes apply.
Access door solution for double-wall rectangular air ducts
with thick insulations (starting at approx. 42 mm).
IRRD-3DE Insulated Access Doors with a 3rd Lid
For outside insulated round ducts.
Minimum insulation thicknesses apply.
IRRD-3PL Insulated Access Doors with a 3rd Plate
For outside or inside insulated round ducts.
Simple solution, but with lower insulating properties than other IRRD insulated access doors.
IRRD-DW1 Insulated Access Doors
For double-wall round ducts with a relatively thin insulation.
Max. Insulation thicknesses are to be take into account.