Flange dimensions are determined by the pipe size and the pressure class required for the application. Flanges are standardized according publications from organizations like ASME, MSS, API and others.

Download Our Printable Texas Flange Pocket Bolt Chart! ASME B16.5 bolt and stud dimensions for Class 150 through 2500 flanges, covering RF and RTJ face types. Bolt count, diameter, and stud …

Use this flange size chart to match ANSI/ASME and DIN flanges by NPS/DN, bolt circle, bolt holes, OD, and pressure class.

The following chart shows the quantity and size of bolts or studs require for a particular flange size and class. NOTE: The length of the stud bolt does not include the height of the points. Questions? Our …

The resulting 1939 edition contained standards for welding neck flanges (completed in March 1937), 1,500-lb flanges in the 14-in. through 24-in. range, 2,500-lb flanges and flanged fittings in the 1∕2-in. …

FLANGE REFERENCE CHART PN6 5K 125 lbs PN10 10K 150 lbs PN16 16K 300 lbs PN25 20K 300 lbs PN40

ASME ANSI Flange Sizes - all expressed in inches and all weights expressed in pounds.

Sizes NPS 1/2 through 3-1/2 are same as Class 600 flanges. 2. 1/4 in. raised face not included in dimensions T, L and L2. 3. Bolt hole diameter 1/8 in. larger than bolt diameter.

Free flange bolt chart with ASME B16.5 bolt sizes for Class 150, 300, 600, 900, 1500 flanges. Instantly find bolt quantity, diameter, and length. Downloadable PDF reference for piping engineers.

This comprehensive reference section provides detailed dimensional data and weight specifications for all major flange types used in industrial piping applications.