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Flange Dimensions for DN80
Dimensional tables for PN, ANSI and BS10 DN80mm (3 Inch) flanges.
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| DIMENSION TABLES FOR 80mm (3 Inch) FLANGES | ||||||||
|---|---|---|---|---|---|---|---|---|
| BS EN 1092 | DIAMETER OF FLANGE (A) | BOLT CIRCLE DIAMETER (G) | number OF BOLTS | BOLT SIZE | DIAMETER OF HOLES (D) | DIAMETER OF RAISED FACE (C) | HEIGHT OF RAISED FACE (F) | THICKNESS (E) |
PN | ||||||||
| PN 6 | 150 | 4 | M16 | 18 | 128 | 2 | 16 | |
| PN 10 | 160 | 8 | M16 | 18 | 138 | 2 | 20 | |
| PN 16 | 160 | 8 | M16 | 18 | 138 | 2 | 20 | |
| PN 25 | 160 | 8 | M16 | 18 | 138 | 2 | 24 | |
| PN 40 | 160 | 8 | M16 | 18 | 138 | 2 | 24 | |
| PN 64 | 170 | 8 | M20 | 22 | 138 | 2 | 28 | |
| PN 100 | 180 | 8 | M24 | 26 | 138 | 2 | 36 | |
ANSI | ||||||||
| Class 125 / 150 | 7 1/2 (191) | 6 (152) | 4 | 5/8 (16) | 3/4 (19) | 5 (127) | 1/16 (2) | 3/4 (19) |
| Class 300 | 8 1/4 (210) | ?6 5/8 (168) | 8 | 3/4 (19) | 7/8 (22) | 5 (127) | 1/16 (2) | 11/8 (29) |
| Class 600 | 8 1/4 (210) | 6 5/8 (168) | 8 | 3/4 (19) | 7/8 (22) | 5 (127) | 1/4 (6) | 11/4 (32) |
| Class 900 | 9 1/2 (241)? | 7 1/2 (192) | 8 | 7/8 (22) | 1 (25) | 5 (127) | 1/4 (6) | 11/2 (38) |
| Class 1500 | 10 1/2 (267) | 8 (203) | 8 | 11/8 (29) | 11/4 (32) | 5 (127) | 1/4 (6) | 17/8 (48) |
BS 10 | ||||||||
| Table A | 7 1/4 (184) | 5 3/4 (146) | 4 | 5/8 (16) | 11/16 (17) | - | - | - |
| Table D | 7 1/4 (184) | ?5 3/4 (146) | 4 | 5/8 (16) | 11/16 (17) | - | - | 9/16 (14) |
| Table E | 7 1/4 (184) | 5 3/4 (146) | 4 | 5/8 (16) | 11/16 (17) | - | - | 9/16 (14) |
| Table F | 8 (203) | 6 1/2 (165) | 8 | 5/8 (16) | 11/16 (17) | - | - | 5/8 (16) |
| Table H | 8 (203) | 6 1/2 (165) | 8 | 5/8 (16) | 11/16 (17) | 5 (127) | 1/16 (2) | 7/8 (22) |
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