Home Reference Manual Dimensions of the steel Flanges DN40-1½"
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Dimensions of the steel Flanges DN 40 - 1½"

 


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*		 2,5-6 130 100 14 4 M12 16 80 3
10 150 110 18 4 M16 16 88 3
16 150 110 18 4 M16 16 88 3
25 150 110 18 4 M16 18 88 3
40 150 110 18 4 M16 18 88 3
64 170 125 22 4 M20 26 85
 3
100 170 125 22 4 M20 26 85
 3
ISO/DIS 7005-1.2
NF E 29-203		 20 130 98,5 16 4 M14 17,5 73 2
50 155 114,5
 22 4 M20 21,6 73 2
100 155 114,5 22 4 M20 22,5 73 7**
ANSI B 16.5
BS 1560		 150 5,00
(127,0)		 3,88
(98,4)		 0,62
(15,8)		 4 0,50
(12,7)		 0,69
(17,5)		 2,88
(73,0)		 0,06
(1.6)
300 6,12
(155,6)		 4,50
(114,3)
 0,88
(22,2)		 4 0,75
(19,0)		 0,81
(20,6)		 2,88
(73,0)		 0,06
(1,6)
400 6,12
(155,6)		 4,50
(114,3)		 0,88
(22,2)		 4 0,75
(19,0)		 0,88
(22,2)		 2,88
(73,0)		 0,25**
(6,4)
600 6,12
(155,6)		 4,50
(114,3)		 0,88
(22,2)		 4 0,75
(19,0)		 0,88
(22,2)		 2,88
(73,0)		 0,25**
(6,4)
900 7,00
(177,8)		 4,88
(123,8)		 1,12
(28,6)		 4 1,00
(25,4)		 1,25
(31,7)		 2,88
(73,0)		 0,25**
(6,4)
BS 10
AS 2129		 A 5¼
(133,4)		 3⅞
(98,4)		 9/16
(14,3)		 4 ½
(12,7)		 ¼
(6,4)		 — —
D 5¼
(133,4)		 3⅞
(98,4)		 9/16
(14,3)		 4 ½
(12,7)		 ½
(12,7)		 — —
E 5¼
(133,4)		 3⅞
(98,4)		 9/16
(14,3)		 4 ½
(12,7)		 ½
(12,7)		 — —
F 5½
(139,7)
 4⅛
(104,8)		 11/16
(17,5)		 4 ⅝
(15,9)		 ½
(12,7)		 — —
H 5½
(139,7)		 4⅛
(104,8)		 11/16
(17,5)		 4 ⅝
(15,9)		 11/16
(17,5)		 3¼
(82,6)		 1/16
(1.6)
J 5½
(139,7)		 4⅛
(104,8)		 11/16
(17,5)		 4 ⅝
(15,9)		 ⅞
(22,2)		 3¼
(82,6)		 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