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welding neck flange PN 40FL.40

Stainless steel welding neck flanges PN 40

Stainless steel welding neck flanges PN 40 Product specification

welding neck flange PN 40 DIN 2635/C - EN 1092-1/B1

Welding neck flange PN 40 acc. to DIN 2635 and EN 1092-1 Type 11

Seal surface with sealing face

Nominal diameter	Sealing face height [f]*
DN < 40	2,0 mm
DN 50 - 250	3,0 mm
DN > 250	4,0 mm

* = see fig. 3/4

Machining	Ra (µm)	Rz (µm)
rotaded	min. 3,25 / max. 12,5	min. 12,5/ max. 50

Wall thickness tolerance on the welded end

Nominal diameter	Tol. [s] in mm
< DN 80	+1,0/-0
DN 100 - 400	+1,5/-0
> DN 400	+2,0/-0

Joint shape

Nominal wall thickness [s]	Version
to 3,2 mm	square
> 3,2 mm	V-gap

Comparison of the designations acc. to the old DIN standard and the new EN 1092-1 standard:

DIN 2526	EN 1092-1
Shape C	Shape B1

Comparison of dimension DIN 2635 and EN 1092-1

DN 450 and DN 600 were recently added to EN 1092-1.

All dimensions are identical up to DN 400.

By DN 500 the dimension [b] deviated (DIN=52 mm; EN= 57 mm).

(Please specify if necessary! Otherwise we reserve the right to deliver the less expensive

or the available vaiant.)

DIN 2635/C - EN 1092-1/B1

<p><b>Welding neck flange PN 40 acc. to DIN 2635 and EN 1092-1 Type 11</b></p><br><br><p>Seal surface with sealing face</p><table class="techDescTable"><thead><tr><th><b>Nominal diameter</b></th><th><b>Sealing face height [f]*</b></th></tr> </thead><tbody><tr class="Even"><td>DN < 40</td><td>2,0 mm</td></tr><tr class="UnEven"><td>DN 50 - 250</td><td>3,0 mm</td></tr><tr class="Even"><td>DN > 250</td><td>4,0 mm</td></tr></tbody></table><p><span class="tDescSmall">* = see fig. 3/4</span></p><br><table class="techDescTable"><thead><tr><th>Machining</th><th><b> Ra (µm) </b></th><th><b> Rz (µm)</b></th></tr> </thead><tbody><tr class="Even"><td>rotaded</td><td>min. 3,25 / max. 12,5</td><td>min. 12,5/ max. 50</td></tr></tbody></table><br><p>Wall thickness tolerance on the welded end</p><table class="techDescTable"><thead><tr><th><b>Nominal diameter</b></th><th><b>Tol. [s] in mm</b></th></tr> </thead><tbody><tr class="Even"><td>< DN 80</td><td>+1,0/-0</td></tr><tr class="UnEven"><td>DN 100 - 400</td><td>+1,5/-0</td></tr><tr class="Even"><td>> DN 400</td><td>+2,0/-0</td></tr></tbody></table><br><p>Joint shape</p><table class="techDescTable"><thead><tr><th><b>Nominal wall thickness [s]</b></th><th><b>Version</b></th></tr> </thead><tbody><tr class="Even"><td>to 3,2 mm</td><td>square</td></tr><tr class="UnEven"><td>> 3,2 mm</td><td>V-gap</td></tr></tbody></table><br><p>Comparison of the designations acc. to the old DIN standard and the new EN 1092-1 standard:</p><table class="techDescTable"><thead><tr><th><b> DIN 2526 </b></th><th><b> EN 1092-1</b></th></tr> </thead><tbody><tr class="Even"><td>Shape C</td><td>Shape B1</td></tr></tbody></table><br><hr><br><br><p><b>Comparison of dimension DIN 2635 and EN 1092-1</b></p><br><p>DN 450 and DN 600 were recently added to EN 1092-1.</p><p>All dimensions are identical up to DN 400.</p><p>By DN 500 the dimension [b] deviated (DIN=52 mm; EN= 57 mm).</p><p><span class="tDescSmall">(Please specify if necessary! Otherwise we reserve the right to deliver the less expensive</span></p><p><span class="tDescSmall"> or the available vaiant.)</span></p>

extended product description

material

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
10	heco_FL-017-040-4.pdf	heco_FL-017-040-4.step
15	heco_FL-020-040-4.pdf	heco_FL-020-040-4.step
15	heco_FL-021-040-4.pdf	heco_FL-021-040-4.step
20	heco_FL-025-040-4.pdf	heco_FL-025-040-4.step
20	heco_FL-026-040-4.pdf	heco_FL-026-040-4.step
25	heco_FL-030-040-4.pdf	heco_FL-030-040-4.step
25	heco_FL-033-040-4.pdf	heco_FL-033-040-4.step
32	heco_FL-042-040-4.pdf	heco_FL-042-040-4.step
40	heco_FL-044-040-4.pdf	heco_FL-044-040-4.step
40	heco_FL-048-040-4.pdf	heco_FL-048-040-4.step
50	heco_FL-057-040-4.pdf	heco_FL-057-040-4.step
50	heco_FL-060-040-4.pdf	heco_FL-060-040-4.step
65	heco_FL-076-040-4.pdf	heco_FL-076-040-4.step
80	heco_FL-088-040-4.pdf	heco_FL-088-040-4.step
100	heco_FL-108-040-4.pdf	heco_FL-108-040-4.step
100	heco_FL-114-040-4.pdf	heco_FL-114-040-4.step
125	heco_FL-133-040-4.pdf	heco_FL-133-040-4.step
125	heco_FL-139-040-4.pdf	heco_FL-139-040-4.step
150	heco_FL-159-040-4.pdf	heco_FL-159-040-4.step
150	heco_FL-168-040-4.pdf	heco_FL-168-040-4.step
200	heco_FL-219-040-4.pdf	heco_FL-219-040-4.step
250	heco_FL-273-040-4.pdf	heco_FL-273-040-4.step
300	heco_FL-323-040-4.pdf	heco_FL-323-040-4.step
350	heco_FL-355-040-4.pdf	heco_FL-355-040-4.step
400	heco_FL-406-040-4.pdf	heco_FL-406-040-4.step
450	heco_FL-457-040-4.pdf	heco_FL-457-040-4.step
500	heco_FL-508-040-4.pdf	heco_FL-508-040-4.step

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...

welding neck flanges

PN 40

Stainless steel welding neck flanges PN 40

welding neck flange PN 40FL.40

Product specification

welding neck flange PN 40

DIN 2635/C - EN 1092-1/B1

Welding neck flange PN 40 acc. to DIN 2635 and EN 1092-1 Type 11

Seal surface with sealing face

Nominal diameter	Sealing face height [f]*
DN < 40	2,0 mm
DN 50 - 250	3,0 mm
DN > 250	4,0 mm

* = see fig. 3/4

Machining	Ra (µm)	Rz (µm)
rotaded	min. 3,25 / max. 12,5	min. 12,5/ max. 50

Wall thickness tolerance on the welded end

Nominal diameter	Tol. [s] in mm
< DN 80	+1,0/-0
DN 100 - 400	+1,5/-0
> DN 400	+2,0/-0

Joint shape

Nominal wall thickness [s]	Version
to 3,2 mm	square
> 3,2 mm	V-gap

Comparison of the designations acc. to the old DIN standard and the new EN 1092-1 standard:

DIN 2526	EN 1092-1
Shape C	Shape B1

Comparison of dimension DIN 2635 and EN 1092-1

DN 450 and DN 600 were recently added to EN 1092-1.

All dimensions are identical up to DN 400.

By DN 500 the dimension [b] deviated (DIN=52 mm; EN= 57 mm).

(Please specify if necessary! Otherwise we reserve the right to deliver the less expensive

or the available vaiant.)

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
10	heco_FL-017-040-4.pdf	heco_FL-017-040-4.step
15	heco_FL-020-040-4.pdf	heco_FL-020-040-4.step
15	heco_FL-021-040-4.pdf	heco_FL-021-040-4.step
20	heco_FL-025-040-4.pdf	heco_FL-025-040-4.step
20	heco_FL-026-040-4.pdf	heco_FL-026-040-4.step
25	heco_FL-030-040-4.pdf	heco_FL-030-040-4.step
25	heco_FL-033-040-4.pdf	heco_FL-033-040-4.step
32	heco_FL-042-040-4.pdf	heco_FL-042-040-4.step
40	heco_FL-044-040-4.pdf	heco_FL-044-040-4.step
40	heco_FL-048-040-4.pdf	heco_FL-048-040-4.step
50	heco_FL-057-040-4.pdf	heco_FL-057-040-4.step
50	heco_FL-060-040-4.pdf	heco_FL-060-040-4.step
65	heco_FL-076-040-4.pdf	heco_FL-076-040-4.step
80	heco_FL-088-040-4.pdf	heco_FL-088-040-4.step
100	heco_FL-108-040-4.pdf	heco_FL-108-040-4.step
100	heco_FL-114-040-4.pdf	heco_FL-114-040-4.step
125	heco_FL-133-040-4.pdf	heco_FL-133-040-4.step
125	heco_FL-139-040-4.pdf	heco_FL-139-040-4.step
150	heco_FL-159-040-4.pdf	heco_FL-159-040-4.step
150	heco_FL-168-040-4.pdf	heco_FL-168-040-4.step
200	heco_FL-219-040-4.pdf	heco_FL-219-040-4.step
250	heco_FL-273-040-4.pdf	heco_FL-273-040-4.step
300	heco_FL-323-040-4.pdf	heco_FL-323-040-4.step
350	heco_FL-355-040-4.pdf	heco_FL-355-040-4.step
400	heco_FL-406-040-4.pdf	heco_FL-406-040-4.step
450	heco_FL-457-040-4.pdf	heco_FL-457-040-4.step
500	heco_FL-508-040-4.pdf	heco_FL-508-040-4.step

associated articles

Ask our experts