Ductwork - Starting Collars and Take-Offs

Starting Collars & Take-Offs

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Starting Collar - Snap Together

This Starting Collar is used to transition from a flat surface like a plenum (made from metal, ductboard or insulated liner) to round pipe or insulated flexible duct. It is made of galvanized steel for durability. The 2in. space between the bead and the flange provides you with plenty of space for properly attaching insulated flexible duct.

  • Made of galvanized steel for strength and durability
  • Helps transition from lined or duct board plenums to round pipe or insulated flexible duct
  • Can be used with lined or unlined metal plenums
  • Snap-together design
  • 2in. between bead and flange allow space for securing insulated flexible duct



Ductboard

Starting Collar - Ductboard

Master Flow's Ductboard Starting Collar is suitable for most HVAC applications. It provides a transition from a flat surface like a plenum (made of metal, Ductboard or insulated) to round pipe or insulated flexible duct. It can be used with Ductboard, an internally lined or unlined plenum. This galvanized steel starting collar features extra-long tabs to fit most duct board thicknesses. It also has a stop bead located just above the teeth to use with bare metal.

  • Connects round pipe or insulated flexible duct to a flat surface to start a duct run
  • Fits most HVAC types for universal application
  • Extra-long tabs to fit most ductboard thicknesses through 1-1/2in. (or R6 value)



Air-Tite

Air-Tite Take Off

An Air-Tite Take-Off provides an airtight seal when connecting insulated flexible duct or round pipe to a flat surface. This take-off can be used to redirect air from any side of the plenum or to transition from a rectangular pipe run. It can be installed with sheet metal screws (sold separately) and is suitable for most HVAC applications.

  • Connects insulated flexible duct or round pipe to a flat surface
  • Can be used to route air from any side of the plenum or a rectangular duct run
  • Fits most HVAC types for universal application
  • Tacky gasket helps create a secure, airtight seal



Saddle Air-Tite

Saddle Air-Tite Take-Off

These Saddle Air-Tite Take-Offs are used to transition from a round surface, such as pipe, to a branch run of round pipe or insulated flexible duct.

  • Tacky gasket creates a secure, substantially air-tight seal
  • Seal & Insulate ductwork for system efficiency and comfort



Side Take-Off

Side Take-Off

The Master Flow Side Take-Off is made of glavanized steel and installs with sheet-metal screws to help you begin trunk-line or branch-like runs from a flat surface. Its crimped collars offer a secure fit to pipe and insulated flexible duct.

  • Galvanized steel construction
  • Use to begin trunk-line or branch-like runs
  • Crimped collar for secure, interlocking fit
  • Seal & Insulate ductwork for system efficiency and comfort



Top Take-Off

Top Take-Off

Master Flow’s Top Take-Off is designed to cut into the plenum or rectangular duct and is used to either begin a trunk line or branch-like runs.

  • Made of galvanized steel for strength and durability
  • Use to cut into plenum or rectangular duct to begin a trunk line or branch-like runs
  • Transitions at less than 90 degrees for smoother air flow
  • Seal & Insulate ductwork for system efficiency and comfort


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