Weld neck flange, DN 25, PN 160, pipe 33.7 mm, DIN 2638 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. The article is listed with a nominal size of DN 25. This version is listed with a pipe outside diameter of 33.7 mm and a flange outside diameter of 140 mm. Material 1.4571 is listed for this version. Also stated are the version to DIN 2638 and EN 1092-1 (type 11) and 4 bolt holes.

Benefits

• Nominal size DN 25 at a nominal pressure of PN 160 to DIN 2638 and EN 1092-1 (type 11).
• Welding end of 33.7 mm outside diameter and 2.0 mm wall thickness.
• Flange outside diameter 140 mm on a bolt circle of 100 mm.
• 4 bolt holes of 18 mm diameter.
• Overall height 48 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 25 joint gives access to the line without touching the weld.

Standards and conformity

Dimensions and design follow DIN 2638 and EN 1092-1 (type 11) at a nominal pressure of PN 160.