Weld neck flange, DN 25, PN 16, pipe 33.7 mm, DIN 2633, 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 33.7 mm and a flange outside diameter of 115 mm. The stated figure is a nominal size of DN 25. In addition the data give the version to DIN 2633 and 4 bolt holes.

Benefits

• Nominal size DN 25 at a nominal pressure of PN 16 to DIN 2633.
• Welding end of 33.7 mm outside diameter and 2.6 mm wall thickness.
• Flange outside diameter 115 mm on a bolt circle of 85 mm.
• 4 bolt holes of 14 mm diameter.
• Overall height 38 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 2633 at a nominal pressure of PN 16.