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Dimensions of the steel Flanges DN175-7" |
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Dimensions of the steel Flanges DN 175 - 7" (1)
n° - number of holes
dia - diameter of bolts
| Flange standard |
PN
Rating |
D |
K |
L |
n° |
dia |
c |
d |
f |
UNI 2223
DIN 2501
BS 4504
|
2,5-6 |
— |
— |
— |
— |
— |
— |
— |
— |
| 10 |
315 |
270 |
22 |
8 |
M20 |
24 |
242 |
3 |
| 16 |
315 |
270 |
22 |
8 |
M20 |
24 |
242 |
3 |
| 25 |
330 |
280 |
26 |
12 |
M24 |
28 |
248 |
3 |
| 40 |
350 |
295 |
30 |
12 |
M27 |
32 |
260 |
3 |
| 64 |
375 |
310 |
33 |
12 |
M30 |
40 |
245
|
3 |
| 100 |
385 |
320 |
33 |
12 |
M30 |
48 |
245
|
3 |
ISO/DIS 7005-1.2
NF E 29-203 |
20 |
|
|
|
|
|
|
|
|
| 50 |
|
|
|
|
|
|
|
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| 100 |
|
|
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ANSI B 16.5
BS 1560 |
150 |
|
|
|
|
|
|
|
|
| 300 |
|
|
|
|
|
|
|
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| 400 |
|
|
|
|
|
|
|
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| 600 |
|
|
|
|
|
|
|
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| 900 |
|
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BS 10
AS 2129 |
A |
12
(304,8) |
10¼
(260,4) |
11/16
(17,5) |
8 |
⅝
(15,9) |
½
(12,7) |
— |
— |
| D |
12
(304,8) |
10¼
(260,4) |
11/16
(17,5) |
8 |
⅝
(15,9) |
½
(12,7) |
— |
— |
| E |
12
(304,8) |
10¼
(260,4) |
⅞
(22,2) |
8 |
¾
(19,0) |
¾
(19,0) |
— |
— |
| F |
13¼
(336,6)
|
11½
(292,1) |
⅞
(22,2) |
12 |
¾
(19,0) |
⅞
(22,2) |
— |
— |
| H |
13¼
(336,6) |
11½
(292,1) |
⅞
(22,2) |
12 |
¾
(19,0) |
1¼
(31,8) |
9¼
(234,9) |
1/16
(1.6) |
| J |
13¼
(336,6) |
11½
(292,1) |
1
(25,4)
|
12 |
⅞
(22,2) |
1⅝
(41,3) |
9¼
(234,9) |
1/16
(1.6) |
Note - The dimensions of ANSI - BS -AS flanges are in inch; the others are in mm (the ones in brackets included which are derived from the dimensions in inch)(1) For ships only
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