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Standard Flange Facings
 

Facing dimensions below are standard
ASME B16.5 for Classes 150, 300, 600 through 24 inches.
Above 24" is in accord with ASME B16.47.
 
Nominal
Pipe Size		 Outside Diameter Height Depth of Groove
Slip-on
and
Weld Neck
Raised Face
6		 Raised Face,
Class 150 and 300


2		 Raised Face,
Class 600


3
 
1/2 1.38 0.06 0.25 0.002
3/4 1.69 0.06 0.25 0.002
1 2.00 0.06 0.25 0.002
1 1/4 2.50 0.06 0.25 0.002
1 1/2 2.88 0.06 0.25 0.002
2 3.62 0.06 0.25 0.002
2 1/2 4.12 0.06 0.25 0.002
3 5.00 0.06 0.25 0.002
3 1/2 5.50 0.06 0.25 0.002
4 6.19 0.06 0.25 0.002
5 7.31 0.06 0.25 0.002
6 8.50 0.06 0.25 0.002
8 10.62 0.06 0.25 0.002
10 12.75 0.06 0.25 0.002
12 15.00 0.06 0.25 0.002
14 16.25 0.06 0.25 0.002
16 18.50 0.06 0.25 0.002
18 21.00 0.06 0.25 0.002
20 23.00 0.06 0.25 0.002
24 27.25 0.06 0.25 0.002
30 38.75 0.06 0.25 0.002
36 46.00 0.06 0.25 0.002
42 53.00 0.06 0.25 0.002
48 59.50 0.06 0.25 0.002

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Weldbend Notes:
  1. All dimensions are in inches.
  2. Weldbend flange facings for Class 150 and Class 300 are standard 0.06" raised face.

  3. Weldbend standard facing for class 600 flange is a 0.25" raised face.

  4. A raised face of 0.06" may be supplied, but will be considered only on special request.

  5. Finishes for raised face portion of the flange (in cut-away diagrams) are illustrated on page 73.

  6. Refer to #6 in large cut-away drawing on page 73.
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