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How to Order Pipe Flanges

When ordering pipe flanges and parts, it’s best to be as specific as possible. Include details such as: 1: Size Nominal Pipe Size (NPS) The nominal pipe size of the connecting pipe is defined by the flange size (NPS). The NPS does not always correspond to the flange inside diameter. B16.5 is for .5″-24″ NPS flanges, and […]

Steel Flange Materials: A Comprehensive Guide to Common Alloys and Their Properties

awwa flanges

Steel flanges are vital in various industrial applications, including piping systems and equipment connections. Understanding the different steel alloys available for manufacturing flanges is crucial to ensure optimal performance and longevity. This article will provide a comprehensive guide to common steel flange materials, exploring their properties, applications, and benefits. Whether you are a professional engineer […]

AIS and Buy America Flange Specifications (Pre-BABA Law)

Some of the information in this article has been superseded by the new Build America, Buy America (BABA) law which went into effect on May 14, 2022. You can read about the new BABA law that governs domestic preferences for iron and steel (AIS), manufactured products and construction materials here: What is Build America, Buy America […]

Guide to Stainless Steel Flanges and Fittings

When high durability and corrosion resistance are required, stainless steel flanges and fittings are often suitable choices. Stainless steel offers improved longevity over hot dip galvanized steel as it’s stronger and more corrosion-resistant. When selecting the appropriate stainless steel flanges and fittings, consider the specific manufacturing technique used to produce the stainless steel—the most common options are […]

Guide to DIN Flanges

In the United States, flange standards are set by the American Society of Mechanical Engineers (ASME), American National Standards Institute (ANSI), and American Water Works Association (AWWA) but a variety of international standards also apply to flanges outside the USA. Deutsches Institut für Normung (DIN) is one such system that complies with European and International […]

Advantages of Grooved Piping Systems

A grooved piping system is a durable, long-lasting option that can often be used in areas where flanged connections or welding aren’t possible or convenient. Explore the benefits of a grooved piping system and learn how grooved pipe fittings can make installation quicker, easier, and more cost-effective. What Is a Grooved Piping System? A grooved piping system […]

How to Choose a Flange Distributor

Sourcing piping system components—from flanges to other standard and non-standard pipe fittings—is easier when you have a dedicated distributor. We cover the 5-key points on how to choose a flange distributor. Flange distributors should ensure you’re getting the right parts, and you should look for a supplier who offers attentive service and helps you get the best […]

Flange Facing Options and How to Choose

When choosing flanges, flange facing type and finish—in addition to flange material and class—are important considerations. Without the correct facing type and related options, your piping system may not meet the minimum requirements, leading to leakage or failure. How do facing type and finish affect flange performance? Explore this guide to flange facing types to learn […]

How Are Flanges Manufactured

Flanges are manufactured using three main techniques: casting, cutting from rolled plate material, or forging. No matter the technique, the basic flange production includes processing raw materials, then forming them to the appropriate specifications. Flanges are finished to meet the applicable standards for fit and seal, then flanges are packaged and shipped to the customer. […]

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