WATER HAMMER ARRESTOR 20 mm / Model # LF15M2-B (WATTS - 750161)

This belt drive model has a welded housing, powder coating with cast aluminum hub and blades. Typical applications include clean air, fume exhaust, and spark resistant construction. Features include a belt tube and bearing cover protecting drives from airstream, butterfly dampers with a rolled edge for increased strength, and gasket covered edges for quiet closure. The model has a maximum operating temperature of 180 °F.