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...for weld-neck collar

loose plate flange PN 40 LF.40

Stainless steel loose plate flanges DIN / EN PN 40

Stainless steel loose plate flanges DIN / EN PN 40 Product specification

loose plate flange PN 40

Loose plate flange PN 40

Comparison DIN und EN:

DIN (old)	EN (new)
DIN 2656	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 2656	EN 1092-1
DN 10 to 400	DN 10 to 600

Comparison of dimension DIN 2656 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
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

All dimensions in mm

(*) = DN 450 and DN 600 were recently added to EN 1092-1

(b) = to be specified by the ordering party

Dimensions [d6], Inner diameter

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

All dimensions in mm

(*) = DN 450 and DN 600 were recently added to EN 1092-1

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
10	4	M 12 x 45
15	4	M 12 x 45
20	4	M 12 x 50
25	4	M 12 x 50
32	4	M 16 x 50
40	4	M 16 x 50
50	4	M 16 x 55
65	8	M 16 x 60
80	8	M 16 x 60
100	8	M 20 x 65
125	8	M 24 x 75
150	8	M 24 x 75
200	12	M 27 x 90
250	12	M 30 x 100
300	16	M 30 x 110
350	16	M 33 x 120
400	16	M 36 x 130
450	20	M 36 x 140
500	20	M 39 x 150
600	20	M 45 x 190

<p><b>Loose plate flange PN 40</b></p><br><p>Comparison DIN und EN:</p><br><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 2656</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 2656 </b></th><th><b> EN 1092-1</b></th></tr> </thead><tbody><tr class="Even"><td>DN 10 to 400</td><td>DN 10 to 600</td></tr></tbody></table><br><br><p><b>Comparison of dimension DIN 2656 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>10</td><td>16</td><td>14</td></tr><tr class="UnEven"><td>15</td><td>16</td><td>14</td></tr><tr class="Even"><td>25</td><td>18</td><td>16</td></tr><tr class="UnEven"><td>65</td><td>20</td><td>22</td></tr><tr class="Even"><td>80</td><td>22</td><td>24</td></tr><tr class="UnEven"><td>100</td><td>22</td><td>26</td></tr><tr class="Even"><td>125</td><td>24</td><td>28</td></tr><tr class="UnEven"><td>150</td><td>24</td><td>30</td></tr><tr class="Even"><td>200</td><td>30</td><td>36</td></tr><tr class="UnEven"><td>250</td><td>36</td><td>42</td></tr><tr class="Even"><td>300</td><td>40</td><td>52</td></tr><tr class="UnEven"><td>350</td><td>46</td><td>58</td></tr><tr class="Even"><td>400</td><td>50</td><td>65</td></tr><tr class="UnEven"><td>450</td><td>(*)</td><td>(b)</td></tr><tr class="Even"><td>500</td><td>(*)</td><td>(b)</td></tr><tr class="UnEven"><td>600</td><td>(*)</td><td>(b)</td></tr></tbody></table><p><span class="tDescSmall">All dimensions in mm</span></p><p><span class="tDescSmall">(*) = DN 450 and DN 600 were recently added to EN 1092-1</span></p><p><span class="tDescSmall">(b) = to be specified by the ordering party</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>10</td><td>19</td><td>21</td></tr><tr class="UnEven"><td>15</td><td>24</td><td>25</td></tr><tr class="Even"><td>20</td><td>30</td><td>31</td></tr><tr class="UnEven"><td>25</td><td>36</td><td>38</td></tr><tr class="Even"><td>32</td><td>46</td><td>47</td></tr><tr class="UnEven"><td>40</td><td>54</td><td>53</td></tr><tr class="Even"><td>100</td><td>119</td><td>120</td></tr><tr class="UnEven"><td>150</td><td>173</td><td>174</td></tr><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>450</td><td>(*)</td><td>467</td></tr><tr class="Even"><td>500</td><td>(*)</td><td>519</td></tr><tr class="UnEven"><td>600</td><td>(*)</td><td>622</td></tr></tbody></table><p><span class="tDescSmall">All dimensions in mm</span></p><p><span class="tDescSmall">(*) = DN 450 and DN 600 were recently added to EN 1092-1</span></p><br><hr><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>10</td><td>4</td><td>M 12 x 45</td></tr><tr class="UnEven"><td>15</td><td>4</td><td>M 12 x 45</td></tr><tr class="Even"><td>20</td><td>4</td><td>M 12 x 50</td></tr><tr class="UnEven"><td>25</td><td>4</td><td>M 12 x 50</td></tr><tr class="Even"><td>32</td><td>4</td><td>M 16 x 50</td></tr><tr class="UnEven"><td>40</td><td>4</td><td>M 16 x 50</td></tr><tr class="Even"><td>50</td><td>4</td><td>M 16 x 55</td></tr><tr class="UnEven"><td>65</td><td>8</td><td>M 16 x 60</td></tr><tr class="Even"><td>80</td><td>8</td><td>M 16 x 60</td></tr><tr class="UnEven"><td>100</td><td>8</td><td>M 20 x 65</td></tr><tr class="Even"><td>125</td><td>8</td><td>M 24 x 75</td></tr><tr class="UnEven"><td>150</td><td>8</td><td>M 24 x 75</td></tr><tr class="Even"><td>200</td><td>12</td><td>M 27 x 90</td></tr><tr class="UnEven"><td>250</td><td>12</td><td>M 30 x 100</td></tr><tr class="Even"><td>300</td><td>16</td><td>M 30 x 110</td></tr><tr class="UnEven"><td>350</td><td>16</td><td>M 33 x 120</td></tr><tr class="Even"><td>400</td><td>16</td><td>M 36 x 130</td></tr><tr class="UnEven"><td>450</td><td>20</td><td>M 36 x 140</td></tr><tr class="Even"><td>500</td><td>20</td><td>M 39 x 150</td></tr><tr class="UnEven"><td>600</td><td>20</td><td>M 45 x 190</td></tr></tbody></table>

extended product description

material

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
10	heco_LF-017-040-4.pdf	heco_LF-017-040-4.step
10	heco_LF-017-E40-4.pdf	heco_LF-017-E40-4.step
15	heco_LF-021-040-4.pdf	heco_LF-021-040-4.step
15	heco_LF-021-E40-4.pdf	heco_LF-021-E40-4.step
20	heco_LF-026-040-4.pdf	heco_LF-026-040-4.step
20	heco_LF-026-E40-4.pdf	heco_LF-026-E40-4.step
25	heco_LF-033-040-4.pdf	heco_LF-033-040-4.step
25	heco_LF-033-E40-4.pdf	heco_LF-033-E40-4.step
32	heco_LF-042-040-4.pdf	heco_LF-042-040-4.step
32	heco_LF-042-E40-4.pdf	heco_LF-042-E40-4.step
40	heco_LF-048-040-4.pdf	heco_LF-048-040-4.step
40	heco_LF-048-E40-4.pdf	heco_LF-048-E40-4.step
50	heco_LF-060-040-4.pdf	heco_LF-060-040-4.step
50	heco_LF-060-E40-4.pdf	heco_LF-060-E40-4.step
65	heco_LF-076-040-4.pdf	heco_LF-076-040-4.step
65	heco_LF-076-E40-4.pdf	heco_LF-076-E40-4.step
80	heco_LF-088-040-4.pdf	heco_LF-088-040-4.step
80	heco_LF-088-E40-4.pdf	heco_LF-088-E40-4.step
100	heco_LF-108-040-4.pdf	heco_LF-108-040-4.step
100	heco_LF-114-040-4.pdf	heco_LF-114-040-4.step
100	heco_LF-114-E40-4.pdf	heco_LF-114-E40-4.step
125	heco_LF-133-040-4.pdf	heco_LF-133-040-4.step
125	heco_LF-139-040-4.pdf	heco_LF-139-040-4.step
125	heco_LF-139-E40-4.pdf	heco_LF-139-E40-4.step
150	heco_LF-159-040-4.pdf	heco_LF-159-040-4.step
150	heco_LF-168-040-4.pdf	heco_LF-168-040-4.step
150	heco_LF-168-E40-4.pdf	heco_LF-168-E40-4.step
200	heco_LF-219-040-4.pdf	heco_LF-219-040-4.step
200	heco_LF-219-E40-4.pdf	heco_LF-219-E40-4.step
250	heco_LF-273-040-4.pdf	heco_LF-273-040-4.step
250	heco_LF-273-E40-4.pdf	heco_LF-273-E40-4.step
300	heco_LF-323-040-4.pdf	heco_LF-323-040-4.step
300	heco_LF-323-E40-4.pdf	heco_LF-323-E40-4.step
350	heco_LF-355-040-4.pdf	heco_LF-355-040-4.step
350	heco_LF-355-E40-4.pdf	heco_LF-355-E40-4.step
400	heco_LF-406-040-4.pdf	heco_LF-406-040-4.step
400	heco_LF-406-E40-4.pdf	heco_LF-406-E40-4.step

associated articles

Ask our experts

...

DIN / EN

PN 40

Stainless steel loose plate flanges DIN / EN PN 40

loose plate flange PN 40 LF.40

Product specification

loose plate flange PN 40

Loose plate flange PN 40

Comparison DIN und EN:

DIN (old)	EN (new)
DIN 2656	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 2656	EN 1092-1
DN 10 to 400	DN 10 to 600

Comparison of dimension DIN 2656 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
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

All dimensions in mm

(*) = DN 450 and DN 600 were recently added to EN 1092-1

(b) = to be specified by the ordering party

Dimensions [d6], Inner diameter

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

All dimensions in mm

(*) = DN 450 and DN 600 were recently added to EN 1092-1

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
10	4	M 12 x 45
15	4	M 12 x 45
20	4	M 12 x 50
25	4	M 12 x 50
32	4	M 16 x 50
40	4	M 16 x 50
50	4	M 16 x 55
65	8	M 16 x 60
80	8	M 16 x 60
100	8	M 20 x 65
125	8	M 24 x 75
150	8	M 24 x 75
200	12	M 27 x 90
250	12	M 30 x 100
300	16	M 30 x 110
350	16	M 33 x 120
400	16	M 36 x 130
450	20	M 36 x 140
500	20	M 39 x 150
600	20	M 45 x 190

measures and values

stocks and pricing

downloads

CAD

dimension	File Download (3D-PDF)	File Download (STEP)
10	heco_LF-017-040-4.pdf	heco_LF-017-040-4.step
10	heco_LF-017-E40-4.pdf	heco_LF-017-E40-4.step
15	heco_LF-021-040-4.pdf	heco_LF-021-040-4.step
15	heco_LF-021-E40-4.pdf	heco_LF-021-E40-4.step
20	heco_LF-026-040-4.pdf	heco_LF-026-040-4.step
20	heco_LF-026-E40-4.pdf	heco_LF-026-E40-4.step
25	heco_LF-033-040-4.pdf	heco_LF-033-040-4.step
25	heco_LF-033-E40-4.pdf	heco_LF-033-E40-4.step
32	heco_LF-042-040-4.pdf	heco_LF-042-040-4.step
32	heco_LF-042-E40-4.pdf	heco_LF-042-E40-4.step
40	heco_LF-048-040-4.pdf	heco_LF-048-040-4.step
40	heco_LF-048-E40-4.pdf	heco_LF-048-E40-4.step
50	heco_LF-060-040-4.pdf	heco_LF-060-040-4.step
50	heco_LF-060-E40-4.pdf	heco_LF-060-E40-4.step
65	heco_LF-076-040-4.pdf	heco_LF-076-040-4.step
65	heco_LF-076-E40-4.pdf	heco_LF-076-E40-4.step
80	heco_LF-088-040-4.pdf	heco_LF-088-040-4.step
80	heco_LF-088-E40-4.pdf	heco_LF-088-E40-4.step
100	heco_LF-108-040-4.pdf	heco_LF-108-040-4.step
100	heco_LF-114-040-4.pdf	heco_LF-114-040-4.step
100	heco_LF-114-E40-4.pdf	heco_LF-114-E40-4.step
125	heco_LF-133-040-4.pdf	heco_LF-133-040-4.step
125	heco_LF-139-040-4.pdf	heco_LF-139-040-4.step
125	heco_LF-139-E40-4.pdf	heco_LF-139-E40-4.step
150	heco_LF-159-040-4.pdf	heco_LF-159-040-4.step
150	heco_LF-168-040-4.pdf	heco_LF-168-040-4.step
150	heco_LF-168-E40-4.pdf	heco_LF-168-E40-4.step
200	heco_LF-219-040-4.pdf	heco_LF-219-040-4.step
200	heco_LF-219-E40-4.pdf	heco_LF-219-E40-4.step
250	heco_LF-273-040-4.pdf	heco_LF-273-040-4.step
250	heco_LF-273-E40-4.pdf	heco_LF-273-E40-4.step
300	heco_LF-323-040-4.pdf	heco_LF-323-040-4.step
300	heco_LF-323-E40-4.pdf	heco_LF-323-E40-4.step
350	heco_LF-355-040-4.pdf	heco_LF-355-040-4.step
350	heco_LF-355-E40-4.pdf	heco_LF-355-E40-4.step
400	heco_LF-406-040-4.pdf	heco_LF-406-040-4.step
400	heco_LF-406-E40-4.pdf	heco_LF-406-E40-4.step

associated articles

Ask our experts

DN	DIN	EN
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

DN	DIN	EN
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

DN	DIN	EN
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

DN	DIN	EN
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

DN	DIN	EN
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622

DN	DIN	EN
10	16	14
15	16	14
25	18	16
65	20	22
80	22	24
100	22	26
125	24	28
150	24	30
200	30	36
250	36	42
300	40	52
350	46	58
400	50	65
450	(*)	(b)
500	(*)	(b)
600	(*)	(b)

DN	DIN	EN
10	19	21
15	24	25
20	30	31
25	36	38
32	46	47
40	54	53
100	119	120
150	173	174
200	225	226
250	279	281
300	329	333
350	362	365
400	413	416
450	(*)	467
500	(*)	519
600	(*)	622