Flange dimensions

What size is a pipe flange? Weld neck, Threade Slip-on, Lap joint, Socket weld and Blind flanges. The following charts are for reference use only. Straightness and alignment of the bolt hole.

Flat face option available. We provide ANSI, API, and AWWA pipe flanges in carbon steel, stainless steel, alloys, and chrome steel.

The number and diameter (mm) of the bolt holes for the example below of 300NB is: x 25. There are many common flange standards and flanges within the same standard can etiher be flat (commonly cast iron, ductile iron) or raised face (commonly cast steel and stainless steel). Standard Bore will be furnished unless otherwise specified. All sales are governed by our terms and conditions, which are available on request. We reserve the right to modify or improve the designs or specifications of our products at any time without notice.

Limitation of Liability and Disclaimer of Warranty: In no event will South Coast Industrial Metals or any of its affiliates be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. All dimensions are in inches. K mm Hole H mm Bolts No.

Flange bolting, gaskets and joints. STEEL FLANGE DIMENSIONS -r. Our wide assortment of ANSI B 16.

The dimensions of these flanges correspond to the inside diameter of the pipe and has a standard wall thickness. A flange manufactured to meet ANSI standards (USA) for size, pressure ratings and temperature ratings. We offer high quality ANSI standards flanges that are dimensionally accurate and highly resistant to corrosion. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line.

Class 1loose flanges are thicker than integral flanges for sizes 31f,. Lengths of alloy steel stud bolts do not include the height of the points. Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line. Diameter of Raised Face B. Dimensions for Classes 40 6and 9NPS and larger for Series B flanges are the same as for the Series A flanges. The length of the Stud Bolt does not include the height of the chamfers (points).

These flange tables cover the critical flange dimensions to help you identify the standard you have. Type 3Fasteners Are A Must For Any Rust-Prone Environment. Start Shopping Online Today!

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