Disc Valves

Frame and disc is made of high quality galvanized steel sheet construction with powder coating to RAL colours." Disc is attached to the frame by threaded rod." Air flow can be adjusted by regulating the cone up or down (+A or -A)" Foam gasket is sealed around the back of the frame to avoid air leakage." These valves can be used for supply, exhaust and ventilation applications." Air master disc valves are best suited to air distribution systems handling relatively low air flow rates within small circular duct work." Can be mounted in wall, ceiling or exposed air ducts with mounting rings." Recommended for exhaust of greasy and damp air in damp areas such as toilets, bathrooms and kitchens.Standard finishes:Steel sheet powder coated to RAL 9010 colour. Flexibility of finishing is available as option.