PIPINGFLANGE

Tool 02

Flange Dimension Lookup

Look up the outside diameter, bolt circle, bolt count, bolt hole size, recommended bolt diameter, and flange thickness for common ASME B16.5, B16.47, and AWWA C207 flanges. Select the standard, pressure class, and nominal pipe size to populate the reference row.

Inputs

Reference Dimensions

SpecValue
Size4"
Outside Diameter (OD)9.00"
Bolt Circle Diameter7.50"
Bolt Count8
Bolt Hole Diameter3/4"
Recommended Bolt Size5/8"
Flange Thickness15/16"
Raised Face Thickness1/16"

Disclaimer: Dimensions shown are a reference drawn from common editions of ASME B16.5, B16.47, and AWWA C207. For issued-for-construction or QA documents, confirm against the latest published edition of the standard. See the full table at texasflange.com flange dimensions.

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