Stop-nuts prevent the knobs from being totally removed.
Metal knobs.
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 RD access doors with ceramic fibers KF : 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
KF Gasket: Binders and adhesives tend to crumble when exposed to temperatures above 200°C. Should that be the case the gaskets must be replaced after each opening of the access door.
Data Sheet
Gasket Properties
Tender Texts
Opening Dimensions
STP Dokuments
Instructions
Instructions
Installation Video
Stainless steel version: use a stainless steel lubricant to prevent seizing.