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two-piece

welding neck flange PN 6FL.6

Stainless steel welding neck flanges PN 6

Stainless steel welding neck flanges PN 6 Product specification

welding neck flange PN 6 DIN 2631/C - EN 1092-1/B1

Welding neck flange PN 6 acc. to DIN 2631 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 300 - 500	4,0 mm
DN 500 - 2000	5,0 mm

see fig. 3/4

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

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

DIN 2526	EN 1092-1
shape C	shape B1

Comparison of dimension DIN 2631 and EN 1092-1

All dimensions are identical up to DN 500. From DN 600 the dimension [b]

and from DN 700 the dimension [h] deviate.

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

variant.)

Dimension [b] (Thickness of sheet)

DN	DIN	EN
600	24	30
700	24	30
800	24	30
900	26	34
1000	26	38
1200	28	42

All dimensions in mm

Dimension [h] (Mounting height)

DN	DIN	EN
700	70	76
800	70	76
900	70	78
1000	70	82
1200	90	104

All dimensions in mm

DIN 2631/C - EN 1092-1/B1

<p><b>Welding neck flange PN 6 acc. to DIN 2631 and EN 1092-1 type 11</b></p><br><p><b>Seal surface with sealing face</b></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 300 - 500</td><td>4,0 mm</td></tr><tr class="UnEven"><td>DN 500 - 2000</td><td>5,0 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>Comparison of the designations acc. to the old DIN standard and the new EN 1092-1:</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><p><b>Comparison of dimension DIN 2631 and EN 1092-1</b></p><br><p>All dimensions are identical up to DN 500. From DN 600 the dimension [b]</p><p>and from DN 700 the dimension [h] deviate.</p><p><span class="tDescSmall">(Please specify if necessary! Otherwise we reserve the right to deliver the less expensive or the available</span></p><p><span class="tDescSmall"> variant.)</span></p><br><p>Dimension [b] (Thickness of sheet)</p><table class="techDescTable"><thead><tr><th><b> DN </b></th><th><b> DIN </b></th><th><b> EN </b></th></tr> </thead><tbody><tr class="Even"><td>600</td><td>24</td><td>30</td></tr><tr class="UnEven"><td>700</td><td>24</td><td>30</td></tr><tr class="Even"><td>800</td><td>24</td><td>30</td></tr><tr class="UnEven"><td>900</td><td>26</td><td>34</td></tr><tr class="Even"><td>1000</td><td>26</td><td>38</td></tr><tr class="UnEven"><td>1200</td><td>28</td><td>42</td></tr></tbody></table><p><span class="tDescSmall">All dimensions in mm</span></p><br><hr><br><br><p>Dimension [h] (Mounting height)</p><table class="techDescTable"><thead><tr><th><b> DN </b></th><th><b> DIN </b></th><th><b> EN </b></th></tr> </thead><tbody><tr class="Even"><td>700</td><td>70</td><td>76</td></tr><tr class="UnEven"><td>800</td><td>70</td><td>76</td></tr><tr class="Even"><td>900</td><td>70</td><td>78</td></tr><tr class="UnEven"><td>1000</td><td>70</td><td>82</td></tr><tr class="Even"><td>1200</td><td>90</td><td>104</td></tr></tbody></table><p><span class="tDescSmall">All dimensions in mm</span></p>

extended product description

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measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
10	heco_FL-017-006-4.pdf	heco_FL-017-006-4.step
15	heco_FL-020-006-4.pdf	heco_FL-020-006-4.step
15	heco_FL-021-006-4.pdf	heco_FL-021-006-4.step
20	heco_FL-026-006-4.pdf	heco_FL-026-006-4.step
25	heco_FL-033-006-4.pdf	heco_FL-033-006-4.step
32	heco_FL-038-006-4.pdf	heco_FL-038-006-4.step
32	heco_FL-042-006-4.pdf	heco_FL-042-006-4.step
40	heco_FL-044-006-4.pdf	heco_FL-044-006-4.step
40	heco_FL-048-006-4.pdf	heco_FL-048-006-4.step
50	heco_FL-054-006-4.pdf	heco_FL-054-006-4.step
50	heco_FL-057-006-4.pdf	heco_FL-057-006-4.step
50	heco_FL-060-006-4.pdf	heco_FL-060-006-4.step
65	heco_FL-076-006-4.pdf	heco_FL-076-006-4.step
80	heco_FL-088-006-4.pdf	heco_FL-088-006-4.step
100	heco_FL-108-006-4.pdf	heco_FL-108-006-4.step
100	heco_FL-114-006-4.pdf	heco_FL-114-006-4.step
125	heco_FL-133-006-4.pdf	heco_FL-133-006-4.step
125	heco_FL-139-006-4.pdf	heco_FL-139-006-4.step
150	heco_FL-159-006-4.pdf	heco_FL-159-006-4.step
150	heco_FL-168-006-4.pdf	heco_FL-168-006-4.step
200	heco_FL-219-006-4.pdf	heco_FL-219-006-4.step
250	heco_FL-273-006-4.pdf	heco_FL-273-006-4.step
300	heco_FL-323-006-4.pdf	heco_FL-323-006-4.step
350	heco_FL-355-006-4.pdf	heco_FL-355-006-4.step
400	heco_FL-406-006-4.pdf	heco_FL-406-006-4.step
500	heco_FL-508-006-4.pdf	heco_FL-508-006-4.step
600	heco_FL-610-006-4.pdf	heco_FL-610-006-4.step
700	heco_FL-711-006-4.pdf	heco_FL-711-006-4.step
800	heco_FL-813-006-4.pdf	heco_FL-813-006-4.step
900	heco_FL-914-006-4.pdf	heco_FL-914-006-4.step
1000	heco_FL-A16-006-4.pdf	heco_FL-A16-006-4.step
1200	heco_FL-C19-006-4.pdf	heco_FL-C19-006-4.step
1400	heco_FL-E22-006-4.pdf	heco_FL-E22-006-4.step

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...

welding neck flanges

PN 6

Stainless steel welding neck flanges PN 6

welding neck flange PN 6FL.6

Product specification

welding neck flange PN 6

DIN 2631/C - EN 1092-1/B1

Welding neck flange PN 6 acc. to DIN 2631 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 300 - 500	4,0 mm
DN 500 - 2000	5,0 mm

see fig. 3/4

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

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

DIN 2526	EN 1092-1
shape C	shape B1

Comparison of dimension DIN 2631 and EN 1092-1

All dimensions are identical up to DN 500. From DN 600 the dimension [b]

and from DN 700 the dimension [h] deviate.

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

variant.)

Dimension [b] (Thickness of sheet)

DN	DIN	EN
600	24	30
700	24	30
800	24	30
900	26	34
1000	26	38
1200	28	42

All dimensions in mm

Dimension [h] (Mounting height)

DN	DIN	EN
700	70	76
800	70	76
900	70	78
1000	70	82
1200	90	104

All dimensions in mm

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
10	heco_FL-017-006-4.pdf	heco_FL-017-006-4.step
15	heco_FL-020-006-4.pdf	heco_FL-020-006-4.step
15	heco_FL-021-006-4.pdf	heco_FL-021-006-4.step
20	heco_FL-026-006-4.pdf	heco_FL-026-006-4.step
25	heco_FL-033-006-4.pdf	heco_FL-033-006-4.step
32	heco_FL-038-006-4.pdf	heco_FL-038-006-4.step
32	heco_FL-042-006-4.pdf	heco_FL-042-006-4.step
40	heco_FL-044-006-4.pdf	heco_FL-044-006-4.step
40	heco_FL-048-006-4.pdf	heco_FL-048-006-4.step
50	heco_FL-054-006-4.pdf	heco_FL-054-006-4.step
50	heco_FL-057-006-4.pdf	heco_FL-057-006-4.step
50	heco_FL-060-006-4.pdf	heco_FL-060-006-4.step
65	heco_FL-076-006-4.pdf	heco_FL-076-006-4.step
80	heco_FL-088-006-4.pdf	heco_FL-088-006-4.step
100	heco_FL-108-006-4.pdf	heco_FL-108-006-4.step
100	heco_FL-114-006-4.pdf	heco_FL-114-006-4.step
125	heco_FL-133-006-4.pdf	heco_FL-133-006-4.step
125	heco_FL-139-006-4.pdf	heco_FL-139-006-4.step
150	heco_FL-159-006-4.pdf	heco_FL-159-006-4.step
150	heco_FL-168-006-4.pdf	heco_FL-168-006-4.step
200	heco_FL-219-006-4.pdf	heco_FL-219-006-4.step
250	heco_FL-273-006-4.pdf	heco_FL-273-006-4.step
300	heco_FL-323-006-4.pdf	heco_FL-323-006-4.step
350	heco_FL-355-006-4.pdf	heco_FL-355-006-4.step
400	heco_FL-406-006-4.pdf	heco_FL-406-006-4.step
500	heco_FL-508-006-4.pdf	heco_FL-508-006-4.step
600	heco_FL-610-006-4.pdf	heco_FL-610-006-4.step
700	heco_FL-711-006-4.pdf	heco_FL-711-006-4.step
800	heco_FL-813-006-4.pdf	heco_FL-813-006-4.step
900	heco_FL-914-006-4.pdf	heco_FL-914-006-4.step
1000	heco_FL-A16-006-4.pdf	heco_FL-A16-006-4.step
1200	heco_FL-C19-006-4.pdf	heco_FL-C19-006-4.step
1400	heco_FL-E22-006-4.pdf	heco_FL-E22-006-4.step

Ask our experts