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ASME B16.11 Coupling

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ASME Standards

ASME B16.11 Coupling

ASME B16.11 Coupling Manufacturer & Supplier

ASME B16.11 Coupling is a forged steel pipe fitting manufactured in accordance with the ASME B16.11 standard. It is designed to connect two pipes of the same size, providing a secure, leak-proof, and durable connection in high-pressure piping systems. These forged couplings are available in Socket Weld and Threaded configurations, making them suitable for a wide range of industrial applications.

The ASME B16.11 standard specifies the design, dimensions, pressure ratings, materials, manufacturing, marking, inspection, and testing requirements for forged fittings. Manufactured using premium-quality raw materials and precision forging technology, our ASME B16.11 couplings offer excellent mechanical strength, corrosion resistance, dimensional accuracy, and long service life.

Available in various sizes, pressure classes, and material grades, our ASME B16.11 couplings are widely used in oil & gas, petrochemical, chemical processing, power generation, marine, offshore, pharmaceutical, water treatment, and other industrial piping systems.

ASME B16.11 Coupling Specifications

StandardASME B16.11
ProductForged Steel Coupling
Connection TypeSocket Weld & Threaded
ConfigurationFull Coupling
Size Range1/8" NB to 4" NB
Pressure ClassesClass 2000, Class 3000, Class 6000 & Class 9000
Material StandardsASTM A105, ASTM A182
Thread StandardNPT, BSPT, BSPP
Manufacturing ProcessClosed Die Forging
Surface FinishNatural, Black, Pickled, Passivated & Hot Dip Galvanized
InspectionPMI, Hydrostatic Test, Visual Inspection & Third-Party Inspection
MarkingAs per ASME B16.11 Requirements

ASME B16.11 Coupling Dimensions

ASME B16.11 couplings are manufactured in accordance with the dimensional requirements specified by the ASME B16.11 standard. They are available in Class 2000, Class 3000, Class 6000, and Class 9000 pressure ratings with nominal pipe sizes ranging from 1/8" NB to 4" NB.

Dimension charts generally include:

  • Nominal Pipe Size (NPS)
  • Outside Diameter (OD)
  • Overall Length (L)
  • Socket Depth
  • Thread Length
  • Pressure Class
  • Weight

Detailed dimension tables and engineering drawings are available upon request.

Available Material Grades

Our ASME B16.11 couplings are manufactured in a wide range of material grades.

Carbon Steel

  • ASTM A105
  • ASTM A350 LF2

Stainless Steel

  • ASTM A182 F304
  • ASTM A182 F304L
  • ASTM A182 F316
  • ASTM A182 F316L
  • ASTM A182 F321
  • ASTM A182 F347

Alloy Steel

  • ASTM A182 F5
  • ASTM A182 F9
  • ASTM A182 F11
  • ASTM A182 F22
  • ASTM A182 F91

Duplex Stainless Steel

  • ASTM A182 F51
  • ASTM A182 F52

Super Duplex Stainless Steel

  • ASTM A182 F53
  • ASTM A182 F55
  • ASTM A182 F60

Nickel Alloys

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

Titanium

  • Grade 2
  • Grade 5

Pressure Classes

Our ASME B16.11 couplings are available in the following pressure classes, ensuring reliable performance in high-pressure and high-temperature industrial piping systems.

  • Class 2000
  • Class 3000
  • Class 6000
  • Class 9000

Key Features

  • Manufactured according to ASME B16.11 standard
  • High-strength forged construction
  • Precision-machined dimensions
  • Available in Socket Weld and Threaded connections
  • Leak-proof and reliable performance
  • Excellent corrosion resistance
  • Suitable for high-pressure and high-temperature applications
  • Long service life with minimal maintenance
  • Available in multiple material grades and pressure classes

Inspection & Testing

Every ASME B16.11 coupling undergoes comprehensive quality inspection before shipment.

  • Positive Material Identification (PMI)
  • Hydrostatic Testing
  • Visual Inspection
  • Dimensional Inspection
  • Hardness Testing
  • Chemical Analysis
  • Mechanical Testing
  • Third-Party Inspection
  • Material Test Certificate (EN 10204 3.1)

Applications

ASME B16.11 couplings are widely used in:

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

Standards & Compliance

Our ASME B16.11 couplings are manufactured in compliance with internationally recognized standards, including:

  • ASME B16.11
  • ASTM A105
  • ASTM A182
  • ASTM A350 LF2
  • MSS SP-25
  • EN 10204 3.1 Certification
  • ISO Quality Standards (where applicable)

Packaging & Shipping

To ensure safe transportation and delivery, our forged couplings 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 B16.11 Couplings?

We manufacture and supply premium-quality ASME B16.11 couplings using certified raw materials and advanced forging technology. Every fitting is precision-machined and thoroughly inspected to ensure exceptional strength, dimensional accuracy, and long-term reliability.

Our commitment to quality, competitive pricing, fast delivery, customized solutions, and worldwide export capabilities makes us a trusted supplier for industrial piping projects across various industries.

Frequently Asked Questions

What is an ASME B16.11 Coupling?

An ASME B16.11 coupling is a forged steel fitting used to connect two pipes of the same size in high-pressure piping systems. It provides a strong and leak-proof connection.

What connection types are available?

Our ASME B16.11 couplings are available in Socket Weld (SW) and Threaded (NPT, BSPT, BSPP) configurations.

What pressure classes are available?

We manufacture ASME B16.11 couplings in Class 2000, Class 3000, Class 6000, and Class 9000.

Which materials do you supply?

We supply Carbon Steel, Stainless Steel, Alloy Steel, Duplex Stainless Steel, Super Duplex Stainless Steel, Nickel Alloys, and Titanium grades.

Which industries use ASME B16.11 couplings?

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

Do you provide customized products?

Yes. We offer customized material grades, pressure classes, dimensions, and project-specific requirements to meet customer specifications.

Need a Quote on ASME B16.11 Couplings?

Share your size, grade and pressure class requirement and our team will get back to you with pricing and availability.