Fittings & Routing · Install guide
Transitions & Reducers
Concentric and eccentric transitions, shape changes, equipment transitions, and field-measured fittings.
Rectangular & TDCTransitions & Reducers
Rectangular concentric transition
Rectangular · Centered size change
Open installation →Rectangular & TDCTransitions & Reducers
Rectangular eccentric transition flat on top
Rectangular · Maintain top elevation
Open installation →Rectangular & TDCTransitions & Reducers
Rectangular eccentric transition flat on bottom
Rectangular · Maintain bottom elevation
Open installation →Rectangular & TDCTransitions & Reducers
Rectangular-to-round transition
Mixed shape · Equipment/branch connection
Open installation →Flat OvalTransitions & Reducers
Rectangular-to-flat-oval transition
Mixed shape · Space-saving change
Open installation →Spiral & RoundTransitions & Reducers
Round concentric reducer
Round · Centered reduction
Open installation →Spiral & RoundTransitions & Reducers
Round eccentric reducer flat on top
Round · Maintain top clearance
Open installation →Equipment & FlexTransitions & Reducers
Equipment discharge transition
Rectangular/round · Fan/AHU outlet
Open installation →Equipment & FlexTransitions & Reducers
Equipment inlet transition
Rectangular/round · Fan/AHU inlet
Open installation →Multi-SystemTransitions & Reducers
Field-measured custom transition
Any metal duct · Mismatch correction
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