KW draft limiter ZUK 250

Precision draught limiter type series Universal ZUK 250 and ZUK 250 SG, with motor control as a combined secondary air device.
Regulator plate and housing made of aluminised steel, setting weight made of brass, external blade bearings made of stainless steel, overpressure dampers for the regulator plate, locking option when being closed. Attached, adjustable overpressure flap, with connection flange for the installation on the KW pipe lining F 250, for walling it in the chimney wall or installing it on the KW connection piece A 250/000.

Technical data:
Outer dimensions: 300 x 300 mm
Group according to DIN 4795: 6 (EF)
Air capacity at Δp 5/40 Pa: 220/525 m³/h
Adjustable draught: 10-50 Pa
DIN reg. number: NL 101