Home Reference Manual Dimensions of the steel Flanges DN65-2½"
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Dimensions of the steel Flanges DN 65 - 2½"

 


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*		 2,5-6 160 130 14 4 M12 16 110 3
10 185 145 18 4 M16 18 122 3
16 185 145 18 4 M16 18 122 3
25 185 145 18 8 M16 22 122 3
40 185 145 18 8 M16 22 122 3
64 205 160 22 8 M20 26 120
 3
100 220 170 26 8 M24 30 120
 3
ISO/DIS 7005-1.2
NF E 29-203		 20 180 139,5 18 4 M16 22,5 105 2
50 180 149,0
 22 8 M20 25,5 105 2
100 190 149,0 22 8 M20 29,0 105 7**
ANSI B 16.5
BS 1560		 150 7,00
(177,8)		 5,50
(139,7)		 0,75
(19,0)		 4 0,62
(15,9)		 0,88
(22,2)		 4,12
(104,8)		 0,06
(1.6)
300 7,50
(190,5)		 5,88
(149,2)
 0,88
(22,2)		 8 0,75
(19,0)		 1,00
(25,4)		 4,12
(104,8)		 0,06
(1,6)
400 7,50
(190,5)		 5,88
(149,2)		 0,88
(22,2)		 8 0,75
(19,0)		 1,12
(28,6)		 4,12
(104,8)		 0,25**
(6,4)
600 7,50
(190,5)		 5,88
(149,2)		 0,88
(22,2)		 8 0,75
(19,0)		 1,12
(28,6)		 4,12
(104,8)		 0,25**
(6,4)
900 9,62
(244,5)		 7,50
(190,5)		 1,12
(28,6)		 8 1,00
(25,4)		 1,62
(41,3)		 4,12
(104,8)		 0,25**
(6,4)
BS 10
AS 2129		 A 6½
(165,1)		 5
(127,0)		 11/16
(17,5)		 4 ⅝
(15,9)		 5/16
(7,9)		 — —
D 6½
(165,1)		 5
(127,0)		 11/16
(17,5)		 4 ⅝
(15,9)		 9/16
(14,3)		 — —
E 6½
(165,1)		 5
(127,0)		 11/16
(17,5)		 4 ⅝
(15,9)		 9/16
(14,3)		 — —
F 7¼
(184,2)
 5¾
(146,0)		 11/16
(17,5)		 8 ⅝
(15,9)		 ⅝
(15,9)		 — —
H 7¼
(184,2)		 5¾
(146,0)		 11/16
(17,5)		 8 ⅝
(15,9)		 ¾
(19,0)		 4½
(114,3)		 1/16
(1.6)
J 7¼
(184,2)		 5¾
(146,0)		 11/16
(17,5)		 8 ⅝
(15,9)		 1
(25,4)		 4½
(114,3)		 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