ASTM Flange Dimensions and Weights

Flange End Pressure Ratings – Pressure ratings for fittings that have both tube fitting end connections and flange connections are determined by the connection with the lowest pressure rating.

*Pressures based on using A193 B-7 Bolting
** Every effort has been made to insure the accuracy of this chart, for critical applications consult a qualified engineer.

ANSI B16.5 Class 150 Flanges

ANSI B16.5 Class 300 Flanges

ANSI B16.5 Class 600 Flanges

ANSI B16.5 Class 900 Flanges

ANSI B16.5 Class 1500 Flanges

ANSI B16.5 Class 2500 Flanges

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