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ASME B16.9 Reducer

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ASME B16.9 Reducer

ASME B16.9 Reducer Manufacturer & Supplier

ASME B16.9 Reducer is a factory-made butt weld pipe fitting manufactured in accordance with the ASME B16.9 standard. It is designed to connect pipes of different diameters while ensuring a smooth and efficient flow of liquids, gases, or steam in industrial piping systems. Reducers are widely used to minimize pressure loss, optimize flow characteristics, and accommodate changes in pipe size across high-pressure and high-temperature applications.

The ASME B16.9 standard specifies the dimensions, tolerances, materials, manufacturing, marking, inspection, and testing requirements for wrought butt welding fittings. Our ASME B16.9 reducers are manufactured using premium-quality raw materials and advanced forming processes to deliver excellent dimensional accuracy, mechanical strength, corrosion resistance, and long service life.

Available in a variety of sizes, schedules, reducer types, and material grades, our ASME B16.9 reducers are widely used in oil & gas, petrochemical, chemical processing, power generation, marine, offshore, water treatment, pharmaceutical, and other industrial piping systems.

ASME B16.9 Reducer Specifications

StandardASME B16.9
ProductButt Weld Reducer
Reducer TypeConcentric Reducer & Eccentric Reducer
Connection TypeButt Weld
Size Range1/2" NB to 48" NB (Larger sizes available on request)
Wall ThicknessSCH 10, SCH 20, SCH 40, SCH 80, SCH 160, XXS
Material StandardsASTM A234, ASTM A403, ASTM A420, ASTM A815
Manufacturing ProcessHot Forming, Cold Forming & Welding
Surface FinishNatural, Black Painted, Pickled, Passivated, Sand Blasted
InspectionVisual Inspection, PMI, Dimensional Inspection & Third-Party Inspection

ASME B16.9 Reducer Dimensions

ASME B16.9 reducers are manufactured according to the dimensional requirements specified by the ASME B16.9 standard. They are available in Concentric and Eccentric designs to suit different piping layouts and flow requirements.

Dimension charts generally include:

  • Nominal Pipe Size (NPS)
  • Large End Diameter
  • Small End Diameter
  • Overall Length
  • Wall Thickness
  • Weight
  • Pipe Schedule

Detailed dimensional tables and engineering drawings are available upon request.

Available Material Grades

Our ASME B16.9 reducers are available in a wide range of material grades.

Carbon Steel

  • ASTM A234 WPB
  • ASTM A234 WPC

Low Temperature Carbon Steel

  • ASTM A420 WPL6

Stainless Steel

  • ASTM A403 WP304
  • ASTM A403 WP304L
  • ASTM A403 WP316
  • ASTM A403 WP316L
  • ASTM A403 WP321
  • ASTM A403 WP347

Alloy Steel

  • ASTM A234 WP5
  • ASTM A234 WP9
  • ASTM A234 WP11
  • ASTM A234 WP22
  • ASTM A234 WP91

Duplex Stainless Steel

  • ASTM A815 UNS S31803
  • ASTM A815 UNS S32205

Super Duplex Stainless Steel

  • ASTM A815 UNS S32750
  • ASTM A815 UNS S32760

Nickel Alloys

  • Inconel
  • Monel
  • Hastelloy
  • Incoloy
  • Nickel 200
  • Nickel 201

Available Types

We manufacture and supply a complete range of ASME B16.9 reducers, including:

  • Concentric Reducer
  • Eccentric Reducer
  • Seamless Butt Weld Reducer
  • Welded Butt Weld Reducer

Key Features

  • Manufactured according to ASME B16.9 standard
  • Factory-made butt weld construction
  • Smooth and efficient flow transition
  • Available in Concentric and Eccentric designs
  • Excellent corrosion resistance
  • High mechanical strength
  • Precision-manufactured dimensions
  • Suitable for high-pressure and high-temperature service
  • Long service life with low maintenance

Inspection & Testing

Every ASME B16.9 reducer undergoes comprehensive quality inspection before dispatch. Testing includes:

  • Positive Material Identification (PMI)
  • Visual Inspection
  • Dimensional Inspection
  • Hydrostatic Testing (when required)
  • Radiographic Testing (RT)
  • Ultrasonic Testing (UT)
  • Chemical Analysis
  • Mechanical Testing
  • Third-Party Inspection
  • Material Test Certificate (EN 10204 3.1)

Applications

ASME B16.9 reducers are widely used in:

  • Oil & Gas Industry
  • Petrochemical Plants
  • Chemical Processing
  • Refineries
  • Power Generation Plants
  • Offshore Platforms
  • Marine Industry
  • LNG & LPG Plants
  • Water Treatment Plants
  • Pharmaceutical Industry
  • Food & Beverage Processing
  • Paper & Pulp Industry
  • Fertilizer Plants
  • Fire Protection Systems

Standards & Compliance

Our ASME B16.9 reducers are manufactured in compliance with internationally recognized standards, including:

  • ASME B16.9
  • ASTM A234
  • ASTM A403
  • ASTM A420
  • ASTM A815
  • MSS SP-75 (where applicable)
  • EN 10204 3.1 Certification
  • ISO Quality Standards (where applicable)

Packaging & Shipping

To ensure safe transportation and delivery, our ASME B16.9 reducers are packed using export-quality packaging.

  • Wooden Boxes
  • Plywood Boxes
  • Corrugated Cartons
  • Bubble Wrap Protection
  • Sea Worthy Export Packing
  • Customer-Specific Packaging Available

Why Choose Our ASME B16.9 Reducers?

We manufacture and supply premium-quality ASME B16.9 reducers using certified raw materials and advanced manufacturing processes. Every reducer is precision-formed, inspected, and tested to ensure superior dimensional accuracy, excellent flow performance, and long-term reliability.

With competitive pricing, strict quality control, timely worldwide delivery, and customized manufacturing capabilities, we provide dependable butt weld fittings for industrial piping projects worldwide.

Frequently Asked Questions

What is an ASME B16.9 Reducer?

An ASME B16.9 reducer is a factory-made butt weld fitting used to connect pipes of different diameters while maintaining smooth fluid flow in industrial piping systems.

What is the difference between a Concentric Reducer and an Eccentric Reducer?

A concentric reducer has a common centerline and is typically used in vertical piping systems. An eccentric reducer has one flat side and is commonly used in horizontal piping systems to prevent air pockets or liquid accumulation.

Which reducer types are available?

We manufacture Concentric Reducers, Eccentric Reducers, Seamless Reducers, and Welded Reducers.

Which material grades are available?

We supply Carbon Steel, Stainless Steel, Alloy Steel, Low Temperature Carbon Steel, Duplex Stainless Steel, Super Duplex Stainless Steel, and Nickel Alloy reducers.

Which industries use ASME B16.9 Reducers?

They are widely used in oil & gas, petrochemical, chemical processing, refineries, power plants, offshore, marine, pharmaceutical, water treatment, and other industrial piping systems.

Need a Quote on ASME B16.9 Reducers?

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