Home Reference Manual Dimensions of the steel Flanges DN100-4"
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Dimensions of the steel Flanges DN 100 - 4"

 


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*		 2,5-6 210 170 18 4 M16 18 128 3
10 220 180 18 8 M16 20 138 3
16 220 180 18 8 M16 20 138 3
25 235 190 22 8 M20 24 138 3
40 235 190 22 8 M20 24 138 3
64 250 200 26 8 M24 30 130
 3
100 265 210 30 8 M27 36 130
 3
ISO/DIS 7005-1.2
NF E 29-203		 20 230 190,5 18 8 M16 24,0 127 2
50 255 200,0
 22 8 M20 32,0 127 2
100 275 216,0 26 8 M24 38,5 127 7**
ANSI B 16.5
BS 1560		 150 9,00
(228,6)		 7,50
(190,5)		 0,75
(19,0)		 8 0,62
(15,9)		 0,94
(23,8)		 5,00
(127,0)		 0,06
(1.6)
300 10.00
(254,0)		 7,88
(200,0)
 0,88
(22,2)		 8 0,75
(19,0)		 1,25
(31,7)		 5,00
(127,0)		 0,06
(1,6)
400 10.00
(254,0)		 7,88
(200,0)		 1,00
(25,4)		 8 0,88
(22,2)		 1,38
(34,9)		 5,00
(127,0)		 0,25**
(6,4)
600 10,75
(273,0)		 8,50
(215,9)		 1,00
(25,4)		 8 0,88
(22,2)		 1,50
(38,1)		 5,00
(127,0)		 0,25**
(6,4)
900 11,50
(292,1)		 9,25
(234,9)		 1,25
(31,7)		 8 1,12
(28,6)		 1,75
(44,4)		 5,00
(127,0)		 0,25**
(6,4)
BS 10
AS 2129		 A 8½
(215,9)		 7
(177,8)		 11/16
(17,5)		 4 ⅝
(15,9)		 ⅜
(9,5)		 — —
D 8½
(215,9)		 7
(177,8)		 11/16
(17,5)		 4 ⅝
(15,9)		 11/16
(17,5)		 — —
E 8½
(215,9)		 7
(177,8)		 11/16
(17,5)		 8 ⅝
(15,9)		 11/16
(17,5)		 — —
F 9
(228,6)
 7½
(190,5)		 11/16
(17,5)		 8 ⅝
(15,9)		 ¾
(19,0)		 — —
H 9
(228,6)		 7½
(190,5)		 11/16
(17,5)		 8 ⅝
(15,9)		 1
(25,4)		 6
(152,4)		 1/16
(1.6)
J 9
(228,6)		 7½
(190,5)		 ⅞
(22,2)		 8 ¾
(19,0)		 1⅜
(34,9)		 6
(152,4)		 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