EN 1092-1 PN 16 Type 13 Flange Dimension
DNMating dimensionsFlange
thickness
LengthNeck diametersCorner
radii
Outside
diameter
Diameter
of bolt
circle
Diameter
of
bolt hole
Bolting
DKLNumberSizeC2H1N2R1
109060144M121622304
159565144M121622354
2010575144M121826454
2511585144M121828524
32140100184M161830606
40150110184M161832706
50165125184M161828846
65185145188bM1618321046
80200160188M1620341186
100220180188M1620401408
125250210188M1622441688
150285240228M20224419510
2003402952212M20244424610
2504053552612M24264629812
3004604102612M24284635012
3505204702616M24305740012
4005805253016M27326345612
4506405853020M27346850212
5007156503320M30367355912
6008407703620M33408365812
7009108403624M33408376012
8001 0259503924M36419086412
9001 1251 0503928M36489496812
1 0001 2551 1704228M39591001 07216
1 2001 4851 3904832M457816
1 4001 6851 5904836M458416
1 6001 9301 8205640M5210216
1 8002 1302 0205644M5211016
2 0002 3452 2306248M5612416
a  For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter and the nominal value dimensions A, N3 and R1 and their tolerances are included for guidance only.
b  According to EN 1092-2 (Cast iron flanges) and EN 1092-3 (Copper alloy flanges), the flanges in this DN and PN may be supplied with 4 holes. Where steel flanges are required with 4 holes, these may be supplied by
agreement between flange manufacturer and purchaser.
c  To be specified by the purchaser.
d  Use is limited up to DN 600.

EN 1092-1 PN 16 Flanges Dimension PDF:

https://www.zzflange.com/wp-content/uploads/2025/08/EN-1092-1-PN-16-Flanges-Dimension.pdf