Weld neck flange, DN 25, PN 100, pipe 33.7 mm, DIN 2637 and EN 1092-1 (type 11), 1.4571

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 140 mm. Its rating is a nominal size of DN 25. The version is listed with the version to DIN 2637 and EN 1092-1 (type 11) and 4 bolt holes.

Benefits

• Nominal size DN 25 at a nominal pressure of PN 100 to DIN 2637 and EN 1092-1 (type 11).
• Welding end of 33.7 mm outside diameter and 2.6 mm wall thickness.
• Flange outside diameter 140 mm on a bolt circle of 100 mm.
• 4 bolt holes of 18 mm diameter.
• Overall height 58 mm with a formed hub for the transition to the pipe.
• Material 1.4571 for the choice by medium and surroundings.

Applications

On pumps and valves the bolt circle of 100 mm matches the counter flange to DIN 2637 and EN 1092-1 (type 11).

Standards and conformity

The version complies with DIN 2637 and EN 1092-1 (type 11), the bolt circle is 100 mm with 4 holes.