ANSI STANDARD:

ANSI B16.5 Class 150 Forged Flanges

Dimensions are in inches.
(a)-Bolt hole diameter 1/8 in. larger than bolt diameter.(b)-Standard bore dimensions provided. See bolt chart for other wall thicknesses.
(c)-This dimension is commonly associated with "true" lap joints. Industry standard is to make to the slip on length through the hub.

ANSI B16.5 Class 300 Forged Flanges

Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter. (b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.(c)- This dimension is commonly associated with "true" lap joints. Industry standard is to make to the slip on length through the hub.

ANSI B16.5 Class 600 Forged Flanges

Dimensions are in inches.
(a)- Bolt hole diameter 1/8 in. larger than bolt diameter. (b)- See bore chart for wall thicknesses. (c)- This dimension is commonly associated with "true" lap joints. Industry standard is to make to the slip on length through the hub.
To be specified by Purchaser.

 

 

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