Home Reference Manual Dimensions of the steel Flanges DN150-6"
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Dimensions of the steel Flanges DN 150 - 6"

 


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*		 2,5-6 265 225 18 8 M16 20 202 3
10 285 240 22 8 M20 22 212 3
16 285 240 22 8 M20 22 212 3
25 300 250 26 8 M24 28 218 3
40 300 250 26 8 M24 28 218 3
64 345 280 33 8 M30 36 215
 3
100 355 290 33 12 M30 44 215
 3
ISO/DIS 7005-1.2
NF E 29-203		 20 280 241,5 22,0 8 M20 25,5 216 2
50 320 270,0
 22,0 12 M20 37,0 216 2
100 355 292,0 29,5 12 M27 48,0 216 7**
ANSI B 16.5
BS 1560		 150 11,00
(279,4)		 9,50
(241,3)		 0,88
(22,2)		 8 0,75
(19,0)		 1,00
(25,4)		 8,50
(215,9)		 0,06
(1.6)
300 12.50
(317,5)		 10,62
(269,9)
 0,88
(22,2)		 12 0,75
(19,0)		 1,44
(36,6)		 8,50
(215,9)		 0,06
(1,6)
400 12.50
(317,5)		 10,62
(269,9)		 1,00
(25,4)		 12 0,88
(22,2)		 1,62
(41,3)		 8,50
(215,9)		 0,25**
(6,4)
600 14,00
(355,6)		 11,50
(292,1)		 1,12
(28,6)		 12 1,00
(25,4)		 1,88
(47,6)		 8,50
(215,9)		 0,25**
(6,4)
900 15,00
(381,0)		 12,50
(317,5)		 1,25
(31,7)		 12 1,12
(28,6)		 2,19
(55,6)		 8,50
(215,9)		 0,25**
(6,4)
BS 10
AS 2129		 A 11
(279,4)		 9¼
(234,9)		 11/16
(17,5)		 4 ⅝
(15,9)		 ½
(12,7)		 — —
D 11
(279,4)		 9¼
(234,9)		 11/16
(17,5)		 8 ⅝
(15,9)		 11/16
(17,5)		 — —
E 11
(279,4)		 9¼
(234,9)		 ⅞
(22,2)		 8 ¾
(19,0)		 11/16
(17,5)		 — —
F 12
(304,8)
 10¼
(260,4)		 ⅞
(22,2)		 12 ¾
(19,0)		 ⅞
(22,2)		 — —
H 12
(304,8)		 10¼
(260,4)		 ⅞
(22,2)		 12 ¾
(19,0)		 1⅛
(28,6)		 8¼
(209,6)		 1/16
(1.6)
J 12
(304,8)		 10¼
(260,4)		 1
(25,4)
 12 ⅞
(22,2)		 1½
(38,1)		 8¼
(209,6)		 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