Duct Hardware

D84 Internal Linkage Set

The D 84 Internal Linkage Set may be used on  multi-blade Fire dampers or Volume dampers and will allow either parallel blade action, or contra rotating blade action when used in conjunction with a D 91 Internal Linkage Set ( see DH 009 ) on volume dampers only. Available in Gal or Stainless Steel. Refer also to 8 mm Plated Rod ( see DH 024 )