Weld neck flange, DN 250, PN 16, pipe 273.0 mm, DIN 2633 and EN 1092-1 (type 11), 1.4571

Once installed, the weld neck flange carries the welded pipe run and creates a bolted joint that can be opened again. This version is listed with a pipe outside diameter of 273.0 mm and a flange outside diameter of 405 mm. The stated figure is a nominal size of DN 250. The version is listed with the version to DIN 2633 and EN 1092-1 (type 11) and 12 bolt holes.

Benefits

• Nominal size DN 250 at a nominal pressure of PN 16 to DIN 2633 and EN 1092-1 (type 11).
• Welding end of 273.0 mm outside diameter and 6.3 mm wall thickness.
• Flange outside diameter 405 mm on a bolt circle of 355 mm.
• 12 bolt holes of 26 mm diameter.
• Overall height 70 mm with a formed hub for the transition to the pipe.
• Material 1.4571 for the choice by medium and surroundings.

Applications

In plant that is opened often the DN 250 joint gives access to the line without touching the weld.

Standards and conformity

Dimensions and design follow DIN 2633 and EN 1092-1 (type 11) at a nominal pressure of PN 16.