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Flange Dimensions for DN350
Dimensional tables for PN, ANSI and BS10 DN350mm (14 Inch) flanges.
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| DIMENSION TABLES FOR 350mm (14 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 | 490 | 445 | 12 | M20 | 22 | 413 | 415 | 2 |
| PN 10 | 505 | 460 | 16 | M20 | 22 | 429 | 430 | 2 |
| PN 16 | 520 | 470 | 16 | M24 | 26 | 429 | 438 | 2 |
| PN 25 | 555 | 490 | 16 | M30 | 33 | 448 | 450 | 2 |
| PN 40 | 580 | 510 | 16 | M33 | 36 | 465 | 465 | 2 |
| PN 64 | 600 | 525 | 16 | M36 | 39 | - | 465 | 2 |
| PN 100 | 655 | 560 | 16 | M45 | 48 | - | 465 | 2 |
ANSI | ||||||||
| Class 125 / 150 | 21 (533) | 18 3/4 (476) | 12 | 1 (25) | 1 1/8 (29) | - | 16 1/4 (413) | 1/16 (2) |
| Class 300 | 23 (584) | 20 1/4 (514) | 20 | 1 1/8 (29) | 1 1/4 (32) | - | 16 1/4 (413) | 1/16 (2) |
| Class 600 | 23 3/4 (603) | 20 3/4 (527) | 20 | 1 3/8 (35) | 1 1/2 (38) | - | 16 1/4 (413) | 1/4 (6) |
| Class 900 | 25 1/4 (641) | 22 (559) | 20 | 1 1/2 (38) | 1 5/8 (41) | - | 16 1/4 (413) | 1/4 (6) |
| Class 1500 | 29 1/2 (749) | 25 (635) | 16 | 2 1/4 (57) | 2 3/8 (60) | - | 16 1/4 (413) | 1/4 (6) |
BS 10 | ||||||||
| Table A | 20 3/4 (527) | 18 1/2 (470) | 8 | 7/8 (22) | 1 (25) | - | - | - |
| Table D | 20 3/4 (527) | 18 1/2 (470) | 12 | 7/8 (22) | 1 (25) | - | - | - |
| Table E | 20 3/4 (527) | 18 1/2 (470) | 12 | 7/8 (22) | 1 (25) | - | - | - |
| Table F | 21 3/4 (552) | 19 1/2 (495) | 16 | 1 (25) | 1 1/8 (29) | - | - | - |
| Table H | 21 3/4 (552) | 19 1/2 (495) | 16 | 1 (25) | 1 1/8 (29) | - | 16 1/2 (419) | 1/16 (2) |
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