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90° Tee Saddle

Fabricated 90° tee saddle fittings designed to create branch connections at a 90-degree angle in industrial duct and ventilation systems. Available in PVC and CPVC materials, these fittings provide efficient airflow distribution while delivering excellent corrosion resistance, chemical durability, and long-term performance in demanding environments.

Fabricated 90° tee saddle fittings designed to create branch connections at a 90-degree angle in industrial duct and ventilation systems. Available in PVC and CPVC materials, these fittings provide efficient airflow distribution while delivering excellent corrosion resistance, chemical durability, and long-term performance in demanding environments.

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 supports corrosion-resistant industrial ventilation applications with strong chemical durability and low maintenance.

PVC 90° TEE SADDLE

Model NumberNominal Reducer SizeAB"B" End Type
SA-90-6-66 ON 66.625 + 1/166.625Socket
SA-90-6-76 ON 76.625 + 1/167.375Socket
SA-90-6-86 ON 86.625 + 1/168.625Socket
SA-90-6-96 ON 96.625 + 1/169.375Socket
SA-90-6-106 ON 106.625 + 1/1610.75Socket
SA-90-6-126 ON 126.625 + 1/1612.75Socket
SA-90-6-146 ON 146.625 + 1/1614Socket
SA-90-6-166 ON 166.625 + 1/1616Socket
SA-90-6-186 ON 186.625 + 1/1618Socket
SA-90-6-206 ON 206.625 + 1/1620Socket
SA-90-6-246 ON 246.625 + 1/1624Socket
SA-90-7-77 ON 77.375 + 1/167.375Socket
SA-90-7-87 ON 87.375 + 1/168.625Socket
SA-90-7-97 ON 97.375 + 1/169.375Socket
SA-90-7-107 ON 107.375 + 1/1610.75Socket
SA-90-7-127 ON 127.375 + 1/1612.75Socket
SA-90-7-147 ON 147.375 + 1/1614Socket
SA-90-7-167 ON 167.375 + 1/1616Socket
SA-90-7-187 ON 187.375 + 1/1618Socket
SA-90-7-207 ON 207.375 + 1/1620Socket
SA-90-7-247 ON 247.375 + 1/1624Socket
SA-90-PVC-8-88 ON 88.625 + 1/168.625Socket
SA-90-PVC-8-98 ON 98.625 + 1/169.375Socket
SA-90-PVC-8-108 ON 108.625 + 1/1610.75Socket
SA-90-PVC-8-128 ON 128.625 + 1/1612.75Socket
SA-90-PVC-8-148 ON 148.625 + 1/1614Socket
SA-90-PVC-8-168 ON 168.625 + 1/1616Socket
SA-90-PVC-8-188 ON 188.625 + 1/1618Socket
SA-90-PVC-8-208 ON 208.625 + 1/1620Socket
SA-90-PVC-8-248 ON 248.625 + 1/1624Socket
SA-90-PVC-9-99 ON 99.375 + 1/169.375Socket
SA-90-PVC-9-109 ON 109.375 + 1/1610.75Socket
SA-90-PVC-9-129 ON 129.375 + 1/1612.75Socket
SA-90-PVC-9-149 ON 149.375 + 1/1614Socket
SA-90-PVC-9-169 ON 169.375 + 1/1616Socket
SA-90-PVC-9-189 ON 189.375 + 1/1618Socket
SA-90-PVC-9-209 ON 209.375 + 1/1620Socket
SA-90-PVC-9-249 ON 249.375 + 1/1624Socket
SA-90-PVC-10-1010 ON 1010.75 + 1/1610.75Socket
SA-90-PVC-10-1210 ON 1210.75 + 1/1612.75Socket
SA-90-PVC-10-1410 ON 1410.75 + 1/1614Socket
SA-90-PVC-10-1610 ON 1610.75 + 1/1616Socket
SA-90-PVC-10-1810 ON 1810.75 + 1/1618Socket
SA-90-PVC-10-2010 ON 2010.75 + 1/1620Socket
SA-90-PVC-10-2410 ON 2410.75 + 1/1624Socket
SA-90-PVC-12-1212 ON 1212.75 + 1/1612.75Socket
SA-90-PVC-12-1412 ON 1412.75 + 1/1614Socket
SA-90-PVC-12-1612 ON 1612.75 + 1/1616Socket
SA-90-PVC-12-1812 ON 1812.75 + 1/1618Socket
SA-90-PVC-12-2012 ON 2012.75 + 1/1620Socket
SA-90-PVC-12-2412 ON 2412.75 + 1/1624Socket
SA-90-PVC-14-1414 ON 1414 + 1/1614Socket
SA-90-PVC-14-1614 ON 1614 + 1/1616Socket
SA-90-PVC-14-1814 ON 1814 + 1/1618Socket
SA-90-PVC-14-2014 ON 2014 + 1/1620Socket
SA-90-PVC-14-2414 ON 2414 + 1/1624Socket
SA-90-PVC-16-1616 ON 1616 + 1/1616Socket
SA-90-PVC-16-1816 ON 1816 + 1/1618Socket
SA-90-PVC-16-2016 ON 2016 + 1/1620Socket
SA-90-PVC-16-2416 ON 2416 + 1/1624Socket
SA-90-PVC-18-1818 ON 1818 + 1/1618Socket
SA-90-PVC-18-2018 ON 2018 + 1/1620Socket
SA-90-PVC-18-2418 ON 2418 + 1/1624Socket
SA-90-PVC-20-2020 ON 2020 + 1/1620Socket
SA-90-PVC-20-2420 ON 2420 + 1/1624Socket
SA-90-PVC-24-2424 ON 2420 + 1/1624Socket
30-PVC-90°-Tee-Saddle-2026-06-16.csv
  • CPVC supports industrial ventilation applications requiring greater temperature resistance and chemical durability.

CPVC 90° TEE SADDLE

Model Number
Nominal Reducer Size
AB"B" Enf Type
SA-90-6-66 ON 66.625 + 1/166.625Socket
SA-90-6-76 ON 76.625 + 1/167.375Socket
SA-90-6-86 ON 86.625 + 1/168.625Socket
SA-90-6-96 ON 96.625 + 1/169.375Socket
SA-90-6-106 ON 106.625 + 1/1610.75Socket
SA-90-6-126 ON 126.625 + 1/1612.75Socket
SA-90-6-146 ON 146.625 + 1/1614Socket
SA-90-6-166 ON 166.625 + 1/1616Socket
SA-90-6-186 ON 186.625 + 1/1618Socket
SA-90-6-206 ON 206.625 + 1/1620Socket
SA-90-6-246 ON 246.625 + 1/1624Socket
SA-90-7-77 ON 77.375 + 1/167.375Socket
SA-90-7-87 ON 87.375 + 1/168.625Socket
SA-90-7-97 ON 97.375 + 1/169.375Socket
SA-90-7-107 ON 107.375 + 1/1610.75Socket
SA-90-7-127 ON 127.375 + 1/1612.75Socket
SA-90-7-147 ON 147.375 + 1/1614Socket
SA-90-7-167 ON 167.375 + 1/1616Socket
SA-90-7-187 ON 187.375 + 1/1618Socket
SA-90-7-207 ON 207.375 + 1/1620Socket
SA-90-7-247 ON 247.375 + 1/1624Socket
SA90-CPVC-8-88 ON 8 88.625 + 1/168.625Socket
SA90-CPVC-8-9ON 9 88.625 + 1/169.375Socket
SA90-CPVC-8-10ON 10 88.625 + 1/1610.75Socket
SA90-CPVC-8-12ON 12 88.625 + 1/1612.75Socket
SA90-CPVC -8-14ON 14 88.625 + 1/1614Socket
SA90-CPVC -8-16ON 16 88.625 + 1/1616Socket
SA90-CPVC -8-18ON 18 88.625 + 1/1618Socket
SA90-CPVC -8-20ON 20 88.625 + 1/1620Socket
SA90-CPVC -8-24ON 248.625 + 1/1624Socket
SA90-CPVC -9-99 ON 9 99.375 + 1/169.375Socket
SA90-CPVC -9-10ON 10 99.375 + 1/1610.75Socket
SA90-CPVC -9-12ON 12 99.375 + 1/1612.75Socket
SA90-CPVC -9-14ON 14 99.375 + 1/1614Socket
SA90-CPVC -9-16ON 16 99.375 + 1/1616Socket
SA90-CPVC -9-18ON 18 99.375 + 1/1618Socket
SA90-CPVC -9-20ON 20 99.375 + 1/1620Socket
SA90-CPVC -9-24ON 249.375 + 1/1624Socket
SA90-CPVC -10-1010 ON 1010.75 + 1/1610.75Socket
SA90-CPVC -10-1210 ON 1210.75 + 1/1612.75Socket
SA90-CPVC -10-1410 ON 1410.75 + 1/1614Socket
SA90-CPVC -10-1610 ON 1610.75 + 1/1616Socket
SA90-CPVC -10-1810 ON 1810.75 + 1/1618Socket
SA90-CPVC -10-2010 ON 2010.75 + 1/1620Socket
SA90-CPVC -10-2410 ON 2410.75 + 1/1624Socket
SA90-CPVC -12-1212 ON 1212.75 + 1/1612.75Socket
SA90-CPVC -12-1412 ON 1412.75 + 1/1614Socket
SA90-CPVC -12-1612 ON 1612.75 + 1/1616Socket
SA90-CPVC -12-1812 ON 1812.75 + 1/1618Socket
SA90-CPVC -12-2012 ON 2012.75 + 1/1620Socket
SA90-CPVC -12-2412 ON 2412.75 + 1/1624Socket
SA90-CPVC -14-1414 ON 1414 + 1/1614Socket
SA90-CPVC -14-1614 ON 1614 + 1/1616Socket
SA90-CPVC -14-1814 ON 1814 + 1/1618Socket
SA90-CPVC -14-2014 ON 2014 + 1/1620Socket
SA90-CPVC -14-2414 ON 2414 + 1/1624Socket
SA90-CPVC -16-1616 ON 1616 + 1/1616Socket
SA90-CPVC -16-1816 ON 1816 + 1/1618Socket
SA90-CPVC -16-2016 ON 2016 + 1/1620Socket
SA90-CPVC -16-2416 ON 2416 + 1/1624Socket
SA90-CPVC -18-1818 ON 1818 + 1/1618Socket
SA90-CPVC -18-2018 ON 2018 + 1/1620Socket
SA90-CPVC -18-2418 ON 2418 + 1/1624Socket
SA90-CPVC -20-2020 ON 2020 + 1/1620Socket
SA90-CPVC -20-2420 ON 2420 + 1/1624Socket
SA90-CPVC -24-2424 ON 2420 + 1/1624Socket
27-CPVC-90°-Tee-Saddle-2026-06-16.csv

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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.