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Reducer Duct Pipe PVC / CPVC
Reducer Duct Pipe PVC / CPVC
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

Lightweight &
Strong

Low
Maintenance

Specifications
Select Material & Size

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

PVC

Polyvinyl Chloride

CPVC

Chlorinated Polyvinyl Chloride

PVC REDUCERS

Model Number Nominal Reducer SizeABEnd Types
RE-PVC-6-46 TO 46.625 + 1/164.5 + 1/16Socket
RE-PVC-8-48 TO 48.625 + 1/164.5 + 1/16Socket
RE-PVC-8-68 TO 68.625 + 1/166.625 +1/16Socket
RE-PVC-10-610 TO 610.75 + 1/166.625 + 1/16Socket
RE-PVC-10-810 TO 810.75 + 1/168.625 + 1/16Socket
RE-PVC-12-612 TO 612.75 + 1/166.625 + 1/16Socket
RE-PVC-12-812 TO 812.75 + 1/168.625 + 1/16Socket
RE-PVC-12-1012 TO 1012.75 + 1/1610.75 + 1/16Socket
RE-PVC-14-614 TO 614 + 1/166.625 + 1/16Socket
RE-PVC-14-814 TO 814 + 1/168.625 + 1/16Socket
RE-PVC-14-1014 TO 1014 + 1/1610.75 + 1/16Socket
RE-PVC-14-1214 TO 1214 + 1/1612.75 + 1/16Socket
RE-PVC-16-816 TO 816 + 1/168.625 + 1/16Socket
RE-PVC-16-1016 TO 1016 + 1/1610.75 + 1/16Socket
RE-PVC-16-1216 TO 1216 + 1/1612.75 + 1/16Socket
RE-PVC-16-1416 TO 1416 + 1/1614 + 1/16Socket
RE-PVC-18-818 TO 818 + 1/168.625 + 1/16Socket
RE-PVC-18-1018 TO 1018 + 1/1610.75 + 1/16Socket
RE-PVC-18-1218 TO 1218 + 1/1612.75 + 1/16Socket
RE-PVC-18-1418 TO 1418 + 1/1614 + 1/16Socket
RE-PVC-18-1618 TO 1618 + 1/1616 + 1/16Socket
RE-PVC-20-1020 TO 1020 + 1/1610.75 + 1/16Socket
RE-PVC-20-1220 TO 1220 + 1/1612.75 + 1/16Socket
RE-PVC-20-1420 TO 1420 + 1/1614 + 1/16Socket
RE-PVC-20-1620 TO 1620 + 1/1616 + 1/16Socket
RE-PVC-20-1820 TO 1820 + 1/1618 + 1/16Socket
RE-PVC-24-1224 TO 1224 + 1/1612.75 + 1/16Socket
RE-PVC-24-1424 TO 1424 + 1/1614 + 1/16Socket
RE-PVC-24-1624 TO 1624 + 1/1616 + 1/16Socket
RE-PVC-24-1824 TO 1824 + 1/1618 + 1/16Socket
RE-PVC-24-2024 TO 2024 + 1/1620 + 1/16Socket
15-PVC-Reducers-2026-06-16.csv

CPVC REDUCERS

Model Number Nominal Reducer SizeABEnd Type
RE-CPVC-6-46 TO 46.625 + 1/164.5 + 1/16Socket
RE-CPVC-8-48 TO 48.625 + 1/164.5 + 1/16Socket
RE-CPVC-8-68 TO 68.625 + 1/166.625 + 1/16Socket
RE-CPVC-10-610 TO610.75 + 1/166.625 + 1/16Socket
RE-CPVC-10-810 TO 810.75 + 1/168.625 + 1/16Socket
RE-CPVC-12-612 TO 612.75 + 1/166.625 + 1/16Socket
RE-CPVC-12-812 TO 812.75 + 1/168.625 + 1/16Socket
RE-CPVC-12-1012 TO 1012.75 + 1/1610.75 + 1/16Socket
RE-CPVC-14-614 TO 614 + 1/166.625 + 1/16Socket
RE-CPVC-14-814 TO 814 + 1/168.625 + 1/16Socket
RE-CPVC-14-1014 TO 1014 + 1/1610.75 + 1/16Socket
RE-CPVC-14-1214 TO 1214 + 1/1612.75 + 1/16Socket
RE-CPVC-16-816 TO 816 + 1/168.625 + 1/16Socket
RE-CPVC-16-1016 TO 1016 + 1/1610.75 + 1/16Socket
RE-CPVC-16-1216 TO 1216 + 1/1612.75 + 1/16Socket
RE-CPVC-16-1416 TO 1416 + 1/1614 + 1/16Socket
RE-CPVC-18-818 TO 818 + 1/168.625 + 1/16Socket
RE-CPVC-18-1018 TO 1018 + 1/1610.75 + 1/16Socket
RE-CPVC-18-1218 TO 1218 + 1/1612.75 + 1/16Socket
RE-CPVC-18-1418 TO 1418 + 1/1614 + 1/16Socket
RE-CPVC-18-1618 TO 1618 + 1/1616 + 1/16Socket
RE-CPVC-20-1020 TO 1020 + 1/1610.75 + 1/16Socket
RE-CPVC-20-1220 TO 1220 + 1/1612.75 + 1/16Socket
RE-CPVC-20-1420 TO 1420 + 1/1614 + 1/16Socket
RE-CPVC-20-1620 TO 1620 + 1/1616 + 1/16Socket
RE-CPVC-20-1820 TO 1820 + 1/1618 + 1/16Socket
RE-CPVC-24-1224 TO 1224 + 1/1612.75 + 1/16Socket
RE-CPVC-24-1424 TO 1424 + 1/1614 + 1/16Socket
RE-CPVC-24-1624 TO 1624 + 1/1616 + 1/16Socket
RE-CPVC-24-1824 TO 1824 + 1/1618 + 1/16Socket
RE-CPVC-24-2024 TO 2024 + 1/1620 + 1/16Socket
16-CPVC-Reducers-2026-06-16.csv

Need a size or configuration not listed?

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A Division of Plastic Design Industries
Chemical Systems Services, Inc.

Custom plastic environmental control and containment equipment, fabricated in corrosion-resistant thermoplastics.

Company Overview

Chemical Systems Services, Inc. (CSSI) is a leading custom designer and manufacturer of plastic environmental control and containment equipment, fabricating corrosion-resistant systems from thermoplastics including polypropylene, PVC, CPVC, and PVDF.

Capabilities & Products

An experienced staff of chemical engineers and designers builds systems to each client’s specifications. The range includes PVC and CPVC fittings, blast gates and dampers, scrubbers, fume hoods, tanks and sinks, containment trays, and casework — most fittings stocked for fast delivery, all made in America.

Plastic Design Industries
Plastic Fabrication & Engineering
Plastic Design Industries

New England’s oldest and largest plastic fabrication house — engineered systems from prototype to full production.

Company Overview

Plastic Design Industries (PDI) uses the unique properties of modern engineering plastics to supply systems and products for industries from biomedical and pharmaceutical to microelectronics and photonics. With automated fabrication equipment and expert computer-aided design, PDI supplies any quantity — from a one-off prototype to a full production run.

Capabilities & Services

PDI takes projects from concept to completion — design, engineering, testing, and validation — spanning cleanroom essentials, fume hoods, wet-process equipment, custom tanks, lab furniture, pure-fluid (PFA) assemblies, casework, and precision welding and machining. ISO 9001 accredited and made in the USA.