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REDUCERS & END CAPS
Reducers
Fabricated reducer fittings designed to provide smooth
transitions between different duct sizes in industrial
ventilation and exhaust systems. Available in PVC
and CPVC materials for superior corrosion resistance,
chemical durability, and long-term performance.

Fabricated reducer fittings designed to provide smooth transitions between different duct sizes in industrial ventilation and exhaust systems. Available in PVC and CPVC materials for superior corrosion
resistance, chemical durability, and long-term performance.

Corrosion
Resistant

Chemical
Resistant

Lightweight &
Strong

Low
Maintenance

Specifications
Select Material & Size

Choose your material to view available models, dimensions, and end configurations.

PVC & CPVC Tabs

PVC

Polyvinyl Chloride

CPVC

Chlorinated Polyvinyl Chloride

PVC REDUCERS

Model Number Nominal Duct SizeConnection I.D.A* B* C*
D-CPVC-666.625 + 1/1681210.5
D-CPVC-777.375 + 1/1681211.3
D-CPVC-888.625 + 1/1681212.5
D-CPVC-999.375 + 1/16101413.2
D-CPVC-101010.75 + 1/16101414.6
D-CPVC-121212.75 + 1/16121616.6
D-CPVC-141414 + 1/16141817.9
D-CPVC-161616 + 1/16162020.3
D-CPVC-181818 + 1/16182222.3
D-CPVC-202020 + 1/16202624.3
D-CPVC-242424 + 1/16303628.3
*Within 1⁄4 Inch
20-CPVC-Butterfly-Dampers-2026-06-16.csv

CPVC REDUCERS

Model NumberNominal Duct SizeOD Pipe SizeAB
SBG-CPVC-444.5 + 1/1611.96877.75
SBG-CPVC-666.625 + 1/1614.06259.5
SBG-CPVC-888.625 + 1/1617.12511.5
SBG-CPVC-101010.75 + 1/1620.2514
SBG-CPVC-121212.75 + 1/1623.312516
SBG-CPVC-141414 + 1/1626.37517
SBG-CPVC-161616 + 1/1629.2519
SBG-CPVC-181818 + 1/1632.312521.25
SBG-CPVC-202020 + 1/1635.37523.25
SBG-CPVC-242424 + 1/1638.2527.25
21-CPVC-Saddle-Blast-Gate-2026-06-16.csv

Need a size or configuration not listed?

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