Maryland Metrics: Technical Data Chart
Dimensions of PN 16 Flanges DIN EN 1092-1
NOTE 1: Dimensions N1, N2 and N3 are measured at the intersection of the hub draft angle and the back face of the flange.
NOTE 2: For d1 dimensions see document "Flange facing according to DIN EN 1092-1".
Dimensions in mm
* For flanges type 21 the outside hub diameter
approximately corresponds to the outside pipe diameter,
** 8 holes is
preferred however 4 holes may be supplied upon special request by the
purchaser.
NOTE: The p/t ratings from EN 1092-1 apply only for flange types 05, 11, 12, 13 and 21 having nominal sizes up to and including DN 600. The p/t rating of all other flanges shall be agreed between the manufacturer and the purchaser.