Stainless Steel Reducing Bushing UL 514B

Premium SS316 Reducing Bushings for Conduit Size Transitions

TSI INOX Conduits presents our premium Stainless Steel Reducing Bushing, an essential component for adapting conduit systems to different trade sizes while maintaining mechanical protection and corrosion resistance. Manufactured from premium SS316 stainless steel with a vibration polished finish, our reducing bushings provide reliable, sanitary size transitions for rigid conduit and IMC in demanding applications.

Reducing bushings are specifically designed to reduce conduit hubs to a smaller size, connecting larger threaded conduit openings to smaller conduit, nipples, and other threaded fittings. Featuring NPT male threads on one end and NPSM female threads on the other, they are used to accommodate size reductions in rigid conduit systems . Whether you are installing in food processing facilities, chemical plants, wastewater treatment facilities, or marine environments, TSI's stainless steel reducing bushings deliver the quality, durability, and code compliance your project demands.

Stainless Steel Reducing Bushing - UL 514B

Key Features

Reducing Capability for System Size Transitions

TSI reducing bushings provide critical size reduction functionality:

  • Reduces conduit hubs to a smaller size
  • Connects larger threaded conduit to smaller conduit, nipples, and fittings
  • NPT male threads on reducing end for secure connections
  • NPSM female threads for accepting smaller conduit and fittings

Integral Bushing for Wire Protection

Each reducing bushing is provided with an integral bushing to:

  • Prevent conductor damage during installation
  • Provide smooth transition for wire pulling
  • Maintain mechanical protection throughout the raceway system

Superior Corrosion Resistance

Manufactured in Type 316 stainless steel to meet any stringent sanitary condition, our reducing bushings provide:

  • Superior corrosion resistance – Exceptional protection against chlorides, acids, and saline atmospheres
  • Molybdenum-enhanced durability – Resists pitting and crevice corrosion in aggressive environments
  • Sanitary properties – Suitable for food processing, pharmaceutical, and hygienic applications
  • Long service life – Eliminates lifecycle costs associated with corrosion-related failures

Vibration Polished "Brite" Finish

The vibration polished finish provides:

  • Enhanced corrosion resistance – Smooth surface minimizes crevice corrosion and bacterial adhesion
  • Easy cleaning – Sanitary design suitable for CIP (clean-in-place) systems
  • Professional aesthetic – Bright, uniform "brite" finish that increases corrosion resistance and aesthetic appearance
  • Enhanced resistance to pitting and bacterial corrosion

UL 514B Listed & CSA Certified

TSI reducing bushings are:

  • UL 514B Listed – Conduit, Tubing, and Cable Fittings
  • CSA C22.2 Certified – Enclosures for Electrical Equipment
  • NEMA Type 4X Rated – Corrosion-resistant and watertight
  • NEC Certified – National Electrical Code compliance

Key Specifications

Specification Details
Standard UL 514B – Conduit, Tubing, and Cable Fittings
CSA Standard CSA C22.2 – Enclosures for Electrical Equipment
NEMA Rating Type 4X – Corrosion-Resistant Enclosures
Material 316 Stainless Steel
Finish Vibration Polished / "Brite" Finish
Thread Type NPT Male x NPSM Female
Conduit Types Rigid and IMC (Intermediate Metallic Conduit)
Special Feature Integral Bushing Prevents Conductor Damage
Trade Sizes ½" through 4"

Material Specifications

Component Material Grade Finish
Bushing Body Stainless Steel 316SS Vibration Polished
Threads NPT Male / NPSM Female 316SS Vibration Polished
Integral Bushing Stainless Steel 316SS Vibration Polished

Applications

TSI reducing bushings are essential for:

Industries Served
Food

Food & Beverage Production

Sanitary washdown environments

Food

Chemical Plants

Acid fumes and caustic environments

Marine & Coastal Facilities

Saltwater and high-humidity conditions

Pharmaceutical & Cosmetics

Clean rooms and hygienic zones

Pulp & Paper Mills

Corrosive process areas

Wastewater Treatment

Moisture and chemical resistance

Petrochemical Refineries

Hydrocarbon and chemical exposure

Industrial Electrical Systems

Conduit size transitions

Conduit System Functions

  • Reducing conduit hubs to a smaller size
  • Connecting larger conduit to smaller fittings, nipples, and conduit bodies
  • Adapting threaded fittings of different trade sizes
  • Maintaining mechanical protection throughout the raceway system
  • Preserving corrosion resistance at transition points

Available Size Combinations

TSI offers reducing bushings in a comprehensive range of size combinations:

Larger Size Smaller Size
1" ¾"
1½" ¾"
2" 1"
2" ¾"

Additional size combinations available upon request for all trade sizes from ½" through 4".

Complete System Availability

TSI INOX Conduits provides a comprehensive stainless steel conduit system:

  • Rigid Stainless Steel Conduit (RSSC) – UL 6A certified
  • Stainless Steel Rigid Couplings – Standard, three-piece, and reducing configurations
  • Stainless Steel Reducing Bushings – For conduit size transitions
  • Stainless Steel Locknuts – For securing conduit to enclosures
  • Stainless Steel Conduit Bushings – Standard and grounding configurations
  • Stainless Steel Rigid Nipples – Threaded both ends
  • Stainless Steel LT Conduit Connectors – Straight, 45°, and 90° configurations
  • Stainless Steel Watertight Hubs – Standard and grounding configurations
  • Stainless Steel Conduit Bodies – Complete range of configurations
  • Hazardous Location Products – EYS, UNY, UNF, REA, PLG, GUA Series

Why Choose TSI INOX Conduits?

Uncompromising Quality

TSI INOX Conduits manufactures every reducing bushing using premium 316 stainless steel and state-of-the-art production processes, ensuring consistent dimensions, accurate threading, and flawless vibration polished finishes in every product.

Global Supply

Based in India with a worldwide export network, TSI delivers stainless steel electrical conduit solutions to projects across North America, Europe, the Middle East, and beyond.

Technical Expertise

Our engineering team provides application assistance, code compliance guidance, and custom solutions to meet your exact project specifications—from material selection to installation best practices.

Industry Specialization

TSI INOX Conduits specializes in stainless steel conduit solutions for demanding industries, including food processing, pharmaceutical, and chemical, ensuring our products meet the unique requirements of each sector

Ordering Information

Type

Reducing Bushing

Material

316 Stainless Steel

Finish

Vibration Polished / "Brite" Finish

Thread Standard

NPT Male x NPSM Female

Conduit Types

Rigid and IMC

Trade Sizes Available

½" through 4"

Standards

UL 514B Listed, CSA C22.2, NEMA Type 4X

Special Feature

Integral Bushing for Conductor Protection

Custom Sizes

Available upon request

Contact Us

Partner with TSI INOX Conduits for your next project.

Contact us today to discuss your requirements, request samples, or receive a competitive quote for bulk reducing bushings.


TSI INOX Conduits

Engineered for the Toughest Environments. Trusted Worldwide.

Brochure