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Insights from the Fabrication Floor

Guidance on custom fabrication, duct design and sizing, material selection, and
temperature performance for corrosion-resistant PVC & CPVC duct systems,
written for the engineers, contractors, and facility teams who specify them.

Guidance on custom fabrication, duct design and sizing, material selection, and temperature performance for corrosion-resistant PVC & CPVC duct systems, written for the engineers, contractors, and facility teams who specify them.

★ FEATURED
What Information Does a Duct Fabricator Need to Quote a Custom Duct System
CUSTOM FABRICATION

What Information Does a Duct Fabricator Need to Quote a Custom Duct System?

A custom duct quote is only as good as the information behind it. Give a fabricator the ten items below and you'll get an accurate, buildable price the first time, leave them...

□ September 4, 2026 • ◷ 7 min read
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Occasional material guides, application notes, and product updates for the people who specify and fabricate corrosion-resistant duct. No spam — just the useful stuff.

Occasional material guides, application notes, and product updates for the people who specify and fabricate corrosion-resistant duct. No spam — just the useful stuff.

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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.