RRD SI 200°C

Access Door RRD with Silicone Gasket and Metal Knobs (up to 200°C)

  1. Duct wall.
  2. Press formed covers (original METU-Design available in galv. and stainless steel V2A + V4A, alu.).
  3. Silicon Gasket SI.
  4. Silicon O-Rings.
  5. Mushroom head bolts.
  6. Steel springs.
  7. Locking nuts prevent the knobs from being totally removed.
  8. Metal knobs.
  9. Retaining cable with M6 bolt and nut (D01V-2001) preventing the loss of the door.

Duct Wall Thicknesses
Standard access doors with polyethylene, vitreous fibers or silicon gaskets: S1 = max. 5 mm
For thicker duct wall thickness special access door versions with longer bolts can be ordered.

Top Required Clearance when Installed
RRD 18: H ≈ 36 mm
RRD 21: H ≈ 40 mm
RRD 32: H ≈ 55 mm
RRD 43: H ≈ 60 mm
RRD 54: H ≈ 70 mm

Steel knobs made of
galvanized steel or stainless steel V2A


List of Products & Prices

Opening Dimensions


RRD opening dimensions
according to the duct-Ø


Installation Instructions

Installation Video

Texts for Tenders


STP Dokuments

Made by METU in Germany