Dimensions of the steel Flanges DN25-1" Print
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Dimensions of the steel Flanges DN 25 - 1"

 


n° - number of holes
dia - diameter of bolts
 

 

  Flange standard PN
Rating
D K L dia c d f
UNI 2223
DIN 2501
BS 4504
NF E 29-203*
ISO/DIS 7005-1.2*
2,5-6 100 75 11 4 M10 14 60 2
10 115 85 14 4 M12 16 68 2
16 115 85 14 4 M12 16 68 2
25 115 85 14 4 M12 18 68 2
40 115 85 14 4 M12 18 68 2
64 140 100 18 4 M16 24 65
2
100 140 100 18 4 M16 24 65
2
ISO/DIS 7005-1.2
NF E 29-203
20 110 79,5 16 4 M14 14,5 51
2
50 125 89,0 18 4 M16 17,5 51
2
100 125 89,0 18 4 M16 17,5 51
7**
ANSI B 16.5
BS 1560
150 4,25
(107,9)
3,12
(79,4)
0,62
(15,8)
4 0,50
(12,7)
0,56
(14,3)
2,00
(50,8)
0,06
(1.6)
300 4,88
(123,8)
3,50
(88,9)
0,75
(19,0)
4 0,62
(15,9)
0,69
(17,5)
2,00
(50,8)
0,06
(1,6)
400 4,88
(123,8)
3,50
(88,9)
0,75
(19,0)
4 0,62
(15,9)
0,69
(17,5)
2,00
(50,8)
0,25**
(6,4)
600 4,88
(123,8)
3,50
(88,9)
0,75
(19,0)
4 0,62
(15,9)
0,69
(17,5)
2,00
(50,8)
0,25**
(6,4)
900 5,12
(130,2)
4,00
(101,6)
1,00
(25,4)
4 0,88
(22,2)
1,12
(28,6)
2,00
(50,8)
0,25**
(6,4)
BS 10
AS 2129
A
(114,3)

(82,6)
9/16
(14,3)
4 ½
(12,7)
3/16
(4,8)
D
(114,3)

(82,6)
9/16
(14,3)
4 ½
(12,7)

(9,5)
E
(114,3)

(82,6)
9/16
(14,3)
4 ½
(12,7)

(9,5)
F
(120,6)
3 7/16
(87,3)
11/16
(17,5)
4
(15,9)

(9,5)
H
(120,6)
3 7/16
(87,3)
11/16
(17,5)
4
(15,9)
9/16
(14,3)

(63,5)
1/16
(1.6)
J
(120,6)
3 7/16
(87,3)
11/16
(17,5)
4
(15,9)
¾
(19,0)

(63,5)
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)
* For ratings 2,5-6-10-16-25-40 only
** To be added to the thickness C of the flange