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Clear wall distance = 370 - 520 mm (without mounting material)
For mounting the BKA ventilation chimney
For mounting ventilation chimney BKA
Security lock hardened 60 HRC, for cover with screw cap (SD3/RC3 / SD4/RC3) - 35 mm
Compatible with our ladders
For retrofitting the opening option from below for manhole covers with self-closing lock
Clearance to wall = 100 mm (without mounting material)
For installation in manhole covers with vapour hood and ventilation chimneys
Entrance handle, form B, height 1100, made of stainless steel
Entrance handle, form D, height 1100, made of stainless steel
Self-locking lock + screw lock (internal triangle)