Slip-on Flanges
Slip-On Flanges We offer carbon and stainless steel slip-on flanges in AWWA, ANSI/ASME and DIN standards, available in flat face and raised face designs. Visit Store Fast Pipe Connection About Slip-On Flanges A slip-on flange is a type of pipe flange designed to slide over the end of a pipe. Its slightly larger inner diameter […]
DIN Flanges
DIN Flanges We stock PN-rated steel and stainless steel slip-on flanges made to DIN EN 1092-1 specifications, available in ring and slip-on styles in PN10, PN16, and PN25. DIN Catalog European Standards What is DIN? Deutsches Institut für Normung (DIN), or the German Institute for Standardization, is the official body that designates industrial and non-industrial […]
ASME Flanges
ASME Flanges We stock steel and stainless steel ASME flanges in slip-on and blind styles, available in both flat face and raised face designs, offered in class 150 and 300. ASME Catalog Reliable Code Compliance What is ASME? The American Society of Mechanical Engineers (ASME) is one of the oldest and most respected standards-developing organizations […]
ANSI Flanges
ANSI Flanges We stock steel and stainless steel ANSI flanges in slip-on and blind styles, available in both flat face and raised face designs, meeting ANSI/ASME B16.5 specifications for Class 150 and Class 300. ANSI Catalog Built to Industry Standards What is ANSI? People often call these flanges ‘ANSI flanges,’ but the correct standards are ASME […]
Theoretical Flange Weight Calculator
Enter in the specifications and material type associated with your Flange to produce theoretical weights. Reference Diagram Metal Weight Calculator Outside Ø / Dim 1 (inches): Dim 2 (inches. For square flanges only. Leave 0 for round): Inside Diameter (inches): Bolt Hole Diameter (inches): Number of Bolt Holes: Thickness (inches): Metal or Alloy: Material Density […]
AWWA Flanges
AWWA Flanges We produce steel and stainless steel AWWA flanges for waterworks service to comply with American Water Works Association (AWWA) C207 and C228 specifications. AWWA Catalog Behind Reliable Waterworks What is AWWA? The American Water Works Association (AWWA) was founded in 1881 to establish and unify standards across the water industry. With members ranging […]
Technical Resources
About Our Resources Our Technical Resources are here to provide you useful information including Spec Sheets, Product Catalog, Line Cards, Manuals, and Industry Associations. The purpose is to help you make informed product decisions when selecting from our wide variety of flanges, valves, and other pipe fittings. Line Cards, Flyers, and Brochures Product Catalog Line […]
Press Releases
Articles Our Press Release articles are here to provide you useful information about the latest news and company updates from API International, Inc. Here are our latest Press Release articles to choose from:
Request a Quote
It is API International’s policy to respect your privacy regarding any information we may collect while operating our website. Click to review our Privacy Policy.
Industries
1,500+ Customers Across US, CAN, & MEX Explore The Industries We Serve Waterworks Industry Data Center Industry Agriculture Industry Marine Industry Exhaust Industry HVAC Industry Mining Industry Energy & Power Generation Industries Oil & Gas Industries Lumber Industry Why IndustryExperience Matters At API International, our commitment to engineered precision, collaborative problem-solving, and rigorous quality assurance […]