Duct Hardware
D91 Internal Linkage Set

Duct Hardware

D91 Internal Linkage Set

The D 91 Internal Linkage Set may be used on Volume dampers and will provide  contra rotating blade action when used in conjunction with a D 84 Internal Linkage Set ( see DH 007 ) Available in gal iron or stainless steel. Refer also to 8 mm Plated Rod ( see DH 024 )