![[object Object]](/assets/images/LmunUN4weV-250.jpeg)
Flange Dimensions for DN500
Dimensional tables for PN, ANSI and BS10 DN500mm (20 Inch) flanges.
![[object Object]](/assets/images/D0_5z2ZyC6-300.jpeg)
| DIMENSION TABLES FOR 500mm (20 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 | 645 | 600 | 20 | M20 | 22 | 570 | 2 | 24 (2) |
| PN 10 | 670 | 620 | 20 | M24 | 26 | 585 | 2 | 28 (2) |
| PN 16 | 715 | 650 | 20 | M30 | 33 | 610 | 2 | 44 (2) |
| PN 25 | 730 | 660 | 20 | M33 | 36 | 615 | 2 | 48 (2) |
| PN 40 | 755 | 670 | 20 | M39 | 42 | 615 | 2 | 57 (2) |
| PN 64 | 800 | 705 | 20 | M45 | 48 | 615 | 2 | 68 (2) |
| PN 100 | 870 | 760 | 20 | M52 | 56 | 615 | 2 | 94 (2) |
ANSI | ||||||||
| Class 125 / 150 | 27 1/2 (699) | 25 (635) | 20 | 1 1/8 (29) | 1 1/4 (32) | 23 (584) | 1/16 | 1 11/16 (43) |
| Class 300 | 30 1/2 (775) | 27 (686) | 24 | 1 1/4 (32) | 1 3/8 (35) | 23 (584) | 1/16 | 2 1/2 (64) |
| Class 600 | 32 (813) | 281/2 (724) | 24 | 1 5/8 (41) | 1 3/4 (44) | 23 (584) | 1/4 | 3 1/2 (89) |
| Class 900 | 33 3/4 (857) | 29 1/2 (749) | 20 | 2 (51) | 2 1/8 (54) | 23 (584) | 1/4 | 4 1/4 (108) |
| Class 1500 | 38 3/4 (984) | 323/4 (832) | 16 | 3 (76) | 3 1/8 (79) | 23 (584) | 1/4 | 7 (178) |
BS 10 | ||||||||
| Table A | 27 3/4 (705) | 25 1/4 (641) | 12 | 7/8 (22) | 1 (25) | - | - | - |
| Table D | 27 3/4 (705) | 25 1/4 (641) | 16 | 7/8 (22) | 1 (25) | - | - | - |
| Table E | 27 3/4 (705) | 25 1/4 (641) | 16 | 7/8 (22) | 1 (25) | - | - | 1 1/4 (32) |
| Table F | 29 (737) | 261/2 (673) | 24 | 1 1/8 (29) | 1 1/4 (32) | - | - | 1 1/2 (38) |
| Table H | 29 (737) | 261/2 (673) | 24 | 1 1/8 (29) | 1 1/4 (32) | 231/2 (597) | 1/16 | 2 (51) |
Affiliate Partners
Help support us by using our affiliate links below.
