RD + SI 80°C

Access Door RD with Silicone Gasket and Plastic Knobs (up to 80°C)
  1. Duct wall.
  2. Press formed covers (original METU-Design available in galv. and stainless steel V2A + V4A, alu.).
  3. Silicone gasket SI.
  4. Sealing rings made of silicone.
  5. Mushroom head bolts.
  6. Steel springs.
  7. Stop-nuts prevent the knobs from being totally removed.
  8. Ergonomic and corrosion resistant knobs which do not allow the bolts to protrude (protected design).
  9. Retaining cable with M6 bolt and nut (order separately, art. nr. D01V-2001) preventing the loss of the door.

Minimum Duct Dimensions
A ≈ min. 50 mm
B ≈ min. 50 mm
C ≈ min. 15 mm
D ≈ min. 15 mm


Duct Wall Thicknesses
RD access doors with silicon gasket: S1 = max. 5 mm
For thicker duct wall thickness special access door versions with longer bolts can be ordered.

Top Required Clearance when Installed
RD 18: H ≈ 37 mm
RD 21: H ≈ 35 mm
RD 315, 32, 42: H ≈ 50 mm
RD 43, 53: H ≈ 56 mm
RD 54, 64: H ≈ 67 mm
RD 65, 75: H ≈ 73 mm


The steel knobs require the same clearance since the same bolt length is required to operate the access door properly.


Opening Dimensions


Installation Instructions

Installation Video

To be taken into consideration when fitting stainless steel parts


STP Dokuments

Made by METU in Germany