Weld neck flange, DN 15, PN 40, pipe 21.3 mm, DIN 2635 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 data sheet gives a nominal size of DN 15. The stated figures are a pipe outside diameter of 21.3 mm and a flange outside diameter of 95 mm. Also stated are the version to DIN 2635 and EN 1092-1 (type 11) and 4 bolt holes.

Benefits

• Nominal size DN 15 at a nominal pressure of PN 40 to DIN 2635 and EN 1092-1 (type 11).
• Welding end of 21.3 mm outside diameter and 2.0 mm wall thickness.
• Flange outside diameter 95 mm on a bolt circle of 65 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 pipework the flange is welded onto a pipe of 21.3 mm outside diameter and drawn together with 4 bolts.

Standards and conformity

The dimensions are based on DIN 2635 and EN 1092-1 (type 11) in the type 11 design with a formed hub.