Home Reference Manual Dimensions of the steel Flanges DN125-5"
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Dimensions of the steel Flanges DN 125 - 5"

 


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
NF E 29-203*
ISO/DIS 7005-1.2*		 2,5-6 240 200 18 8 M16 20 178 3
10 250 210 18 8 M16 22 188 3
16 250 210 18 8 M16 22 188 3
25 270 220 26 8 M24 26 188 3
40 270 220 26 8 M24 26 188 3
64 295 240 30 8 M28 34 185
 3
100 315 250 33 8 M30 40 185
 3
ISO/DIS 7005-1.2
NF E 29-203		 20 255 216,9 22 8 M20 24,0 186 2
50 280 235,0
 22 8 M20 35,0 186 2
100 330 267,0 29,5 8 M27 44,5 186 7**
ANSI B 16.5
BS 1560		 150 10,00
(254,0)		 8,50
(215,9)		 0,88
(22,2)		 8 0,75
(19,0)		 0,94
(23,8)		 7,31
(185,7)		 0,06
(1.6)
300 11.00
(279,4)		 9,25
(234,9)
 0,88
(22,2)		 8 0,75
(19,0)		 1,38
(34,9)		 7,31
(185,7)		 0,06
(1,6)
400 11.00
(279,4)		 9,25
(234,9)		 1,00
(25,4)		 8 0,88
(22,2)		 1,50
(38,1)		 7,31
(185,7)		 0,25**
(6,4)
600 13,00
(330,2)		 10,50
(266,7)		 1,12
(28,6)		 8 1,00
(25,4)		 1,75
(44,4)		 7,31
(185,7)		 0,25**
(6,4)
900 13,75
(349,2)		 11,00
(279,4)		 1,38
(34,9)		 8 1,25
(31,7)		 2,00
(50,8)		 7,31
(185,7)		 0,25**
(6,4)
BS 10
AS 2129		 A 10
(254,0)		 8¼
(209,6)		 11/16
(17,5)		 4 ⅝
(15,9)		 ½
(12,7)		 — —
D 10
(254,0)		 8¼
(209,6)		 11/16
(17,5)		 8 ⅝
(15,9)		 11/16
(17,5)		 — —
E 10
(254,0)		 8¼
(209,6)		 11/16
(17,5)		 8 ⅝
(15,9)		 11/16
(17,5)		 — —
F 11
(279,4)
 9¼
(234,9)		 ⅞
(22,2)		 8 ¾
(19,0)		 ⅞
(22,2)		 — —
H 11
(279,4)		 9¼
(234,9)		 ⅞
(22,2)		 8 ¾
(19,0)		 1⅛
(28,6)		 7
(177,8)		 1/16
(1.6)
J 11
(279,4)		 9¼
(234,9)		 1
(25,4)
 8 ⅞
(22,2)		 1½
(38,1)		 7
(177,8)		 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