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PFI Standards

About the Pipe Fabrication Institute

The Pipe Fabrication Institute (PFI) is a trade association, founded in the United States in 1913. The PFI’s purpose is to promote the highest standard of excellence in the global pipe fabrication industry.

Piping systems are used in complex facilities such as steel mills, refineries, chemical processing plants and nuclear and fossil fuel power plants. These systems must perform under great stress and meet stringent requirements.

The PFI publishes fabrication and engineering Standards plus technical bulletins to guide the piping industry and clients of that industry in meeting these challenging requirements.


Intertek Inform: Your Gateway to PFI Standards

Intertek Inform makes it easy for businesses to buy PFI Standards from our website, giving convenient access to globally recognised guidelines set by the Pipe Fabrication Institute. Browse our Standards Store for the latest pipe fabrication and engineering guidance.

On our website, you can purchase individual PFI Standards in digital PDF or printed (hardcopy) formats. Or you may wish to manage your Standards with i2i, our secure, configurable, cloud-based platform, made available through our subscription service.

 

Random Examination
Published: 31-Aug-2024
Fabricating Tolerances
Published: 31-Aug-2024
Access Holes, Bosses, and Plugs for Radiographic Inspection of Pipe Welds
Published: 24-Aug-2024
Minimum Length and Spacing for Welded Nozzles
Published: 23-Aug-2024
Recommended Practice for Color Coding of Piping Materials
Published: 23-Aug-2024
Welded Load Bearing Attachments to Pressure Retaining Piping Materials
Published: 23-Aug-2024
Branch Reinforcement Work Sheets
Published: 28-Oct-2021
Guidelines for calculating factored weld diameter inches for project reporting.
Published: 20-Oct-2021
Internal Oxidation for Piping Welds (Figure 3 hard copy will follow by mail)
Published: 05-Dec-2020
CUSTOMARY FITTING, FORGING, PLATE AND BAR MATERIALS USED WITH PIPE
Published: 12-Jan-2013
PIPE BENDING METHODS, TOLERANCES, PROCESS AND MATERIAL REQUIREMENTS
Published: 01-Jan-2013
STANDARD FOR PROTECTION OF AUSTENITIC STAINLESS STEEL AND NICKEL ALLOY MATERIALS
Published: 11-Sept-2024
WALL THICKNESS MEASUREMENT BY ULTRASONIC EXAMINATION
Published: 11-Sept-2024
PRESSURE-TEMPERATURE RATINGS USED IN POWER PLANT PIPING SYSTEMS
Published: 11-Sept-2024
GUIDELINES FOR INSTALLATION OF INTEGRALLY REINFORCED BRANCH CONNECTION OUTLET FITTINGS
Published: 11-Sept-2024
CLEANING OF FABRICATED PIPING
Published: 11-Sept-2024
WELDING OF INTERNALLY CLAD PIPING
Published: 11-Sept-2024
TOOL CALIBRATION
Published: 11-Sept-2024
INFORMATION REQUIRED FOR THE BIDDING OF PIPE FABRICATION
Published: 11-Sept-2024
FABRICATING TOLERANCES FOR GROOVED PIPING SYSTEMS
Published: 11-Sept-2024
RECOMMENDED PRACTICE FOR THE FABRICATION OF POLYVINYLIDENE FLUORIDE (PVDF) PIPING
Published: 11-Sept-2024
INTERNAL MACHINING AND SOLID MACHINED BACKING RINGS FOR CIRCUMFERENTIAL BUTT WELDS
Published: 11-Sept-2024
FABRICATING TOLERANCES FOR GROOVED PIPING SYSTEMS
Published: 11-Sept-2024
PERMANENT MARKING ON PIPING MATERIALS
Published: 11-Sept-2024

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Frequently Asked Questions

Below are some of the most common questions about the Pipe Fabrication Institute.

The PFI’s primary purpose is to promote excellence in the global pipe fabrication industry.

The organisation offers a forum for members and other bodies to work collaboratively to address key issues. A significant part of the PFI’s role is developing and publishing advisory Standards that help ensure consistent, high quality piping systems.

A central aspect of the PFI’s work is proposing, publishing and maintaining fabrication and engineering Standards and technical bulletins. Topics range from material requirements, pipe bending methods, processes and testing to fabricating tolerances, tool calibration, drafting practices and quality control.

Other activities include initiating engineering studies and research, developing safe operating methods and best practice guidelines, promoting communication and co-operation within the industry, organising meetings, technical exchanges and forums and working with labour organisations to provide well trained, qualified employees.

The PFI is one of the oldest and most respected industry associations in the United States. This non-profit trade association is governed by a Board of Directors with support from committees and sub-committees. The PFI headquarters are in Maryland in the US, and there’s also an office in Montreal, Canada.

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