How Are Weld Neck Flanges Made?
A weld neck flange starts as a solid steel billet and ends as a precisely machined component with a tapered hub and beveled weld end. The manufacturing process of weld neck flanges includes heating, forging, and machining steps. Those steps determine the flange’s grain structure and dimensional accuracy. In this guide, we cover the manufacturing […]
What Is NSF/ANSI/CAN 372? Lead-Free Requirements for Certified Flanges
NSF-61 and NSF/ANSI/CAN 372 are two consistently paired standards which are often called “NSF-61/372” and treated as one certification. strict limits on lead content leaching in drinking water systems. This standard has its own legal basis and its own testing methodology. This guide covers what exactly this standard verifies, where its lead content threshold comes […]
What Is NSF/ANSI/CAN 61? A Guide to Certified Drinking Water Flanges
If a flange is installed in a North American drinking water system, the spec sheet is almost certain to reference NSF®/ANSI/CAN 61 before any other standard. NSF/ANSI/CAN 61 determines whether a flange, gasket, or coating is permitted to contact potable water at all. This guide covers what the standard actually regulates, where it originated, what […]
Press Release: API International Celebrates 45 Years of Customer Commitment, Innovation, and Service
Press Release: Tualatin, Oregon, 02/16/24 API International proudly announces its 45th anniversary by celebrating our dedication to exceptional service, steadfast inventory management, and continuous client commitment. Founded in 1979, API International has emerged as a leader in the manufacturing and wholesale distribution of flanges, expansion joints, valves, and custom-fabricated parts while continuously setting new standards […]
Custom Flanges: Custom Flange Manufacturing
Our machine facility allows API International to create custom flanges and other products that fulfill various standards while incorporating AIS, import, and exotic materials. We also provide quick turnaround customizations to our stock goods to meet customer demands. If you have a CAD drawing or a sample that has to be reverse-engineered, we can assist […]
Blind Flange: A Guide To Industrial Applications
A steel blind flange stands out as an essential element among the intricate network of industrial pipe system operations and serves diverse roles and functions across various industries. From facilitating pipeline closures to providing access points for maintenance, blind flanges play a pivotal role in fluid control systems. This guide explores the world of blind […]
What Are The Most Common Flange Types?
This blog post will cover the most common flange types used in today’s industrial applications. Flanges are essential components in industrial applications. Even though there are many different types of flanges, they all share a common goal- to connect piping systems together. Let’s explore the specifics of the seven most popular flange types, their unique […]
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 […]
Guide to Flange Face Finish Types
As a necessary component in various industries, flanges connect pipes, valves, and other equipment. The efficiency and reliability of these connections heavily depend on the surface finish of the flange face. This Guide to Flange Face Finish Types will explore the four standard flange face finish types as determined by the American Society of Mechanical […]
Steel Flange Materials: A Comprehensive Guide to Common Alloys and Their Properties
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 […]