RD + SKK

Access Door RD with Rubber Edge Molding SKK

Duct wall.
Press formed covers (original METU-Design available in galv. and stainless steel V2A + V4A, alu.).
SKK Rubber Edge Molding.
Sealing ring made of PE.
Mushroom head bolts.
Steel springs.
Stop-nuts prevent the knobs from being totally removed.
Ergonomic and corrosion resistant knobs which do not allow the bolts to protrude (protected design).
Retaining cable with M6 bolt and nut (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
Access doors with rubber edge molding (SKK): S1 = max. 2 mm

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.