Flange Patterns and Standard Flange Specifications

Pipe size, bolt circle, no. bolt, bolt diameter, and nut size for series 150 flanges through series 2500; and the patterns for flanges with 12 through 96 bolts.

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Standard Flange Specifications

Standard Flange Patterns

Flange Bolting Patterns 12-40 Bolts

Flange Bolt Patterns 12-40 Bolts

Flange Bolting Patterns 48-96 Bolts

Flange Chart Patterns 48-96 Bolts




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