Description
The access door GRD 18-14 has a dimension of 180 x 80 mm and is suitable for spiral seam tubes with Ø 140 mm. The GRD inspection cover is a double-shell, pressed inspection cover made of galvanised sheet steel for closing maintenance (inspection) or cleaning openings in circular or oval air ducts. The stable design with flow-optimised inner cover prevents air turbulence. The access panel type GRD 18-14 is screwed on by means of two polyamide rotary handles.
Material: Galvanized
Dimension: 180 x 80 mm
Scope of application: Spiral ducts
Opening: 140 mm
Gasket: Polyethylene foam seal


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