Royal Metal Products

9 in. Galvanized Steel Starting Collar in Round Duct

Part #R310F9  |  Manufacturer Part #310F9


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Product Details

  • Starting collars are assembled with 1/8" x 1/8" Zinc-coated Steel rivets and are rolled formed with 1 1/2" crimp and 3/8" convex beads for branch duct connection
  • Damper is Duro Dyne Rapit Regulator 5-piece with handle
  • Flange is 1" wide and corrugated for added durability



ASTM Specifications: ASTM A653 CS Type B

Diameter: 9 in

Duct Shape: Round

Gauge: 30

Height: 6 in

Material: Galvanized Steel