Airway dimensions
1off 550mmW x 550mmH (1 module/1 drive)
D754A (rated 1hr to BS476 part 20)
1.5mm galvanized mild steel flanged casing 200X50x13
1.5mm galvanized mild steel top hat section inner frame
1.5mm galvanized mild steel single skin fully interlocking opposed blades
12mm square stainless steel tubular spindles
2 part oilite Bushes
C/w stainless steel side seals & friction shims
External stainless steel blade interconnection linkage
Fitted with Belimo BFN230 240v spring to close actuator
As this damper is bespoke made returns and refunds cannot be accepted once purchased and delivered.