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...for weld-neck collar

loose plate flange PN 25LF.25

Stainless steel loose plate flanges DIN / EN PN 25

Stainless steel loose plate flanges DIN / EN PN 25 Product specification

loose plate flange PN 25

Loose plate flange PN 25

(Dimensions for DN < 200 see PN 40)

Comparison DIN und EN:

DIN (old)	EN (new)
DIN 2655	EN 1092-1 type 02

Use with smooth collars according to DIN 2655 or according to EN 1092-1 with smooth collars of

type 32 and with welded-on rings of type 35.

In contrast to the DIN standard, EN-1092-1 only specifies the pipe connection dimensions of the

ISO series. It is therefore sufficient to stamp the nominal diameter (DN) for marking purposes.

Dimensions range

DIN 2655	EN 1092-1
DN 200 to 500	DN 200 to 600

DN 450 were recently added to EN 1092-1

Comparison of dimensions DIN 2655 and EN 1092-1

The following dimensions are identical:

- Outer diameter, [D]

- Hole of pattern, [k]

- Number of drill holes, [Num]

- Hole diameter, [d2]

Deviations at a glance:

Dimensions [b], Thickness of sheet

DN	DIN	EN
200	26	32
250	30	35
300	34	38
350	38	42
400	42	48
450	(*)	54
500	50	58
600	(*)	68

All dimensions in mm

(*) = DN 450 were recently added to EN 1092-1

Dimensions [d6], Inner diameter

DN	DIN	EN
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
500	517	519

All diameter in mm

Flange connection according to DIN 601

(fits to a pair of flanges)

Consisting of hexagon head screws (number of corresponding flange drill holes) 4-6 Mu DIN 601

and a gasket EN 1514 DIN 2690 (for example Klingersil C-4400)

DN	Number	Size
200	12	M 24 x 80
250	12	M 27 x 90
300	16	M 27 x 90
350	16	M 30 x 100
400	16	M 33 x 110
450	20	M 33 x 120
500	20	M 33 x 120
600	20	M 36 x 140

<p><b>Loose plate flange PN 25</b></p><p>(Dimensions for DN < 200 see PN 40)</p><br><p>Comparison DIN und EN:</p><table class="techDescTable"><thead><tr><th><b>DIN (old) </b></th><th><b>EN (new)</b></th></tr> </thead><tbody><tr class="Even"><td>DIN 2655</td><td>EN 1092-1 type 02</td></tr></tbody></table><br><p>Use with smooth collars according to DIN 2655 or according to EN 1092-1 with smooth collars of</p><p>type 32 and with welded-on rings of type 35.</p><br><p>In contrast to the DIN standard, EN-1092-1 only specifies the pipe connection dimensions of the</p><p>ISO series. It is therefore sufficient to stamp the nominal diameter (DN) for marking purposes.</p><br><p>Dimensions range</p><table class="techDescTable"><thead><tr><th><b>DIN 2655 </b></th><th><b>EN 1092-1</b></th></tr> </thead><tbody><tr class="Even"><td>DN 200 to 500</td><td>DN 200 to 600</td></tr></tbody></table><p><span class="tDescSmall">DN 450 were recently added to EN 1092-1</span></p><br><br><p><b>Comparison of dimensions DIN 2655 and EN 1092-1</b></p><br><p>The following dimensions are identical:</p><br><p>- Outer diameter, [D]</p><p>- Hole of pattern, [k]</p><p>- Number of drill holes, [Num]</p><p>- Hole diameter, [d2]</p><br><hr><br><br><p><b>Deviations at a glance:</b></p><br><p>Dimensions [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>200</td><td>26</td><td>32</td></tr><tr class="UnEven"><td>250</td><td>30</td><td>35</td></tr><tr class="Even"><td>300</td><td>34</td><td>38</td></tr><tr class="UnEven"><td>350</td><td>38</td><td>42</td></tr><tr class="Even"><td>400</td><td>42</td><td>48</td></tr><tr class="UnEven"><td>450</td><td>(*)</td><td>54</td></tr><tr class="Even"><td>500</td><td>50</td><td>58</td></tr><tr class="UnEven"><td>600</td><td>(*)</td><td>68</td></tr></tbody></table><p><span class="tDescSmall">All dimensions in mm</span></p><p><span class="tDescSmall">(*) = DN 450 were recently added to EN 1092-1</span></p><br><p>Dimensions [d6], Inner diameter</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>200</td><td>225</td><td>226</td></tr><tr class="UnEven"><td>250</td><td>279</td><td>281</td></tr><tr class="Even"><td>300</td><td>329</td><td>333</td></tr><tr class="UnEven"><td>350</td><td>362</td><td>365</td></tr><tr class="Even"><td>400</td><td>413</td><td>416</td></tr><tr class="UnEven"><td>500</td><td>517</td><td>519</td></tr></tbody></table><p><span class="tDescSmall">All diameter in mm</span></p><br><br><p><b>Flange connection according to DIN 601</b></p><p><span class="tDescSmall">(fits to a pair of flanges)</span></p><br><p>Consisting of hexagon head screws (number of corresponding flange drill holes) 4-6 Mu DIN 601</p><p>and a gasket EN 1514 DIN 2690 (for example Klingersil C-4400)</p><br><table class="techDescTable"><thead><tr><th><b>DN </b></th><th><b>Number </b></th><th><b>Size </b></th></tr> </thead><tbody><tr class="Even"><td>200</td><td>12</td><td>M 24 x 80</td></tr><tr class="UnEven"><td>250</td><td>12</td><td>M 27 x 90</td></tr><tr class="Even"><td>300</td><td>16</td><td>M 27 x 90</td></tr><tr class="UnEven"><td>350</td><td>16</td><td>M 30 x 100</td></tr><tr class="Even"><td>400</td><td>16</td><td>M 33 x 110</td></tr><tr class="UnEven"><td>450</td><td>20</td><td>M 33 x 120</td></tr><tr class="Even"><td>500</td><td>20</td><td>M 33 x 120</td></tr><tr class="UnEven"><td>600</td><td>20</td><td>M 36 x 140</td></tr></tbody></table>

extended product description

material

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
200	heco_LF-219-025-4.pdf	heco_LF-219-025-4.step
200	heco_LF-219-E25-4.pdf	heco_LF-219-E25-4.step
250	heco_LF-273-025-4.pdf	heco_LF-273-025-4.step
300	heco_LF-323-E25-4.pdf	heco_LF-323-E25-4.step
350	heco_LF-355-025-4.pdf	heco_LF-355-025-4.step
350	heco_LF-355-E25-4.pdf	heco_LF-355-E25-4.step
400	heco_LF-406-025-4.pdf	heco_LF-406-025-4.step
400	heco_LF-406-E25-4.pdf	heco_LF-406-E25-4.step
450	heco_LF-457-E25-4.pdf	heco_LF-457-E25-4.step
600	heco_LF-610-E25-4.pdf	heco_LF-610-E25-4.step

Ask our experts

...

DIN / EN

PN 25

Stainless steel loose plate flanges DIN / EN PN 25

loose plate flange PN 25LF.25

Product specification

loose plate flange PN 25

Loose plate flange PN 25

(Dimensions for DN < 200 see PN 40)

Comparison DIN und EN:

DIN (old)	EN (new)
DIN 2655	EN 1092-1 type 02

Use with smooth collars according to DIN 2655 or according to EN 1092-1 with smooth collars of

type 32 and with welded-on rings of type 35.

In contrast to the DIN standard, EN-1092-1 only specifies the pipe connection dimensions of the

ISO series. It is therefore sufficient to stamp the nominal diameter (DN) for marking purposes.

Dimensions range

DIN 2655	EN 1092-1
DN 200 to 500	DN 200 to 600

DN 450 were recently added to EN 1092-1

Comparison of dimensions DIN 2655 and EN 1092-1

The following dimensions are identical:

- Outer diameter, [D]

- Hole of pattern, [k]

- Number of drill holes, [Num]

- Hole diameter, [d2]

Deviations at a glance:

Dimensions [b], Thickness of sheet

DN	DIN	EN
200	26	32
250	30	35
300	34	38
350	38	42
400	42	48
450	(*)	54
500	50	58
600	(*)	68

All dimensions in mm

(*) = DN 450 were recently added to EN 1092-1

Dimensions [d6], Inner diameter

DN	DIN	EN
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
500	517	519

All diameter in mm

Flange connection according to DIN 601

(fits to a pair of flanges)

Consisting of hexagon head screws (number of corresponding flange drill holes) 4-6 Mu DIN 601

and a gasket EN 1514 DIN 2690 (for example Klingersil C-4400)

DN	Number	Size
200	12	M 24 x 80
250	12	M 27 x 90
300	16	M 27 x 90
350	16	M 30 x 100
400	16	M 33 x 110
450	20	M 33 x 120
500	20	M 33 x 120
600	20	M 36 x 140

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
200	heco_LF-219-025-4.pdf	heco_LF-219-025-4.step
200	heco_LF-219-E25-4.pdf	heco_LF-219-E25-4.step
250	heco_LF-273-025-4.pdf	heco_LF-273-025-4.step
300	heco_LF-323-E25-4.pdf	heco_LF-323-E25-4.step
350	heco_LF-355-025-4.pdf	heco_LF-355-025-4.step
350	heco_LF-355-E25-4.pdf	heco_LF-355-E25-4.step
400	heco_LF-406-025-4.pdf	heco_LF-406-025-4.step
400	heco_LF-406-E25-4.pdf	heco_LF-406-E25-4.step
450	heco_LF-457-E25-4.pdf	heco_LF-457-E25-4.step
600	heco_LF-610-E25-4.pdf	heco_LF-610-E25-4.step

Ask our experts