Please note: heco gmbh will discontinue support for Internet Explorer in early 2021.
We recommend Microsoft Edge , which is already installed on Windows 10, also Google Chrome or Mozilla Firefox.
stainless steel
stainless steel
stainless steel
Newsletter
stainless steel
Material
Shipping conditions
Customer- and supplier portal
- Butt welding fittings
- bends
- T- X- Y- pieces
- T- and Y-bends
- reducers
- caps and heads
- collars
- branch saddles
- orbital fittings
- ANSI / ASME
- Industrial valves
- ball valves
- actuators
- drain cocks
- gate valves
- globe valves
- non-return valves
- Y-strainers
- control technology
- Flanges
- welding neck flanges
- threaded flanges
- blind flanges
- plate flanges
- loose plate flanges
- collars
- flange-fittings
- ANSI/ ASME
- other
- Systems
- TEEKAY
- Victaulic
- press fittings
- quick couplings
- clamp connections
- cutting rings
- DIN 11864/ DIN 11853
- railing construction
- Beverage fittings
- unions
- fittings
- pipe clamps
- Tri-Clamp
- valves & cocks
- flange connections
- inspection glasses
- filter & strainers
- spray balls
Diesen Artikel aus der Anfrageliste entfernen?
Ja
Nein
Ok
Ok
Hint
By clicking on this bar you'll return to the table view.
Don't show this hint again!
measures and values
development of stocks
request list
associated articles
current selection
reducer DIN EN 10253-4/ARK.
reducer DIN EN 10253-4/A concentric, welded
Concentric reducers
EN 10253-4 (old DIN 2616-W)
Version |
---|
Type A (Identical wall thickness on the welded end and shaped piece body) |
W (welded) - from welded pipes acc. to EN 10217-7 |
with cylindrical ende |
cold reshaped (pressed) |
pickled surface |
Material: 1.4307/304L - 1.4541 - 1.4571 - 1.4404/316L |
Certificate acc. to EN 10204/3.1 |
from in-House production
Design pressure
Dimensions (D/d) | Thickness (s/s2) | Design pressure |
---|---|---|
21,3/ 17,2 mm | 2,0/ 1,8 mm | 141 bar |
26,9/ 21,3 mm | 2,0/ 2,0 mm | 139 bar |
33,7/ 21,3 mm | 2,0/ 2,0 mm | 109 bar |
33,7/ 26,9 mm | 2,0/ 2,0 mm | 109 bar |
42,4/ 21,3 mm | 2,0/ 2,0 mm | 86 bar |
42,4/ 26,9 mm | 2,0/ 2,0 mm | 86 bar |
42,4/ 33,7 mm | 2,0/ 2,0 mm | 86 bar |
48,3/ 21,3 mm | 2,0/ 2,0 mm | 75 bar |
48,3/ 26,9 mm | 2,0/ 2,0 mm | 75 bar |
48,3/ 33,7 mm | 2,0/ 2,0 mm | 75 bar |
48,3/ 42,4 mm | 2,0/ 2,0 mm | 75 bar |
60,3/ 21,3 mm | 2,3/ 2,0 mm | 59 bar |
60,3/ 26,9 mm | 2,3/ 2,0 mm | 59 bar |
60,3/ 33,7 mm | 2,0/ 2,0 mm | 59 bar |
60,3/ 42,4 mm | 2,0/ 2,0 mm | 59 bar |
60,3/ 48,3 mm | 2,0/ 2,0 mm | 59 bar |
76,1/ 33,7 mm | 2,3/ 2,0 mm | 46 bar |
76,1/ 42,4 mm | 2,3/ 2,0 mm | 46 bar |
76,1/ 48,3 mm | 2,0/ 2,0 mm | 46 bar |
76,1/ 60,3 mm | 2,0/ 2,0 mm | 47 bar |
88,9/ 33,7 mm | 2,6/ 2,0 mm | 36 bar |
88,9/ 42,4 mm | 2,6/ 2,0 mm | 36 bar |
88,9/ 48,3 mm | 2,6/ 2,0 mm | 36 bar |
88,9/ 60,3 mm | 2,0/ 2,0 mm | 39 bar |
88,9/ 60,3 mm | 2,6/ 2,0 mm | 39 bar |
88,9/ 76,1 mm | 2,0/ 2,0 mm | 40 bar |
88,9/ 76,1 mm | 2,6/ 2,3 mm | 45 bar |
114,3/ 60,3 mm | 2,0/ 2,0 mm | 30 bar |
114,3/ 88,9 mm | 2,0/ 2,0 mm | 31 bar |
139,7/ 88,9 mm | 2,0/ 2,0 mm | 25 bar |
139,7/ 114,3 mm | 2,0/ 2,0 mm | 25 bar |
168,3/ 114,3 mm | 2,0/ 2,0 mm | 21 bar |
168,3/ 139,7 mm | 2,0/ 2,0 mm | 21 bar |
219,1/ 168,3 mm | 2,0/ 2,0 mm | 15 bar |
273,0/ 168,3 mm | 3,0 mm | 18 bar |
273,0/ 219,1 mm | 3,0 mm | 19 bar |
The design pressure was determined for the material 1.4307 for +20°C acc. to EN 10253-3, Type A
Tolerances
Limit deviations for wall thickness [s] |
---|
≤ 4 mm - 12,5 % / + 20 % |
> 4 mm - 12,5 % / + 15 % |
Limit deviations for diameter [D] |
---|
+/- 1,0 % or +/- 0,5 mm, the relevant higher value applies (EN tolerance class D2) |
Limit deviations for dimensions [L] |
---|
≤ 219,1 = ± 2 mm |
Limit deviations for shaped piece geometry [X] |
---|
X = 1 % of the outside-Ø or 1 mm, the relevant higher value applies |
concentric, welded
extended product description
more...
extended product description
<p><b>Concentric reducers</b></p><p><span class="tDescSmall">EN 10253-4 (old DIN 2616-W)</span></p><br><table class="techDescTable"><thead><tr><th><b>Version</b></th></tr> </thead><tbody><tr class="Even"><td>Type A (Identical wall thickness on the welded end and shaped piece body)</td></tr><tr class="UnEven"><td>W (welded) - from welded pipes acc. to EN 10217-7</td></tr><tr class="Even"><td>with cylindrical ende</td></tr><tr class="UnEven"><td>cold reshaped (pressed)</td></tr><tr class="Even"><td>pickled surface</td></tr><tr class="UnEven"><td>Material: 1.4307/304L - 1.4541 - 1.4571 - 1.4404/316L</td></tr><tr class="Even"><td>Certificate acc. to EN 10204/3.1</td></tr></tbody></table><p><i>from in-House production</i></p><br><br><br><p><b>Design pressure</b></p><br><table class="techDescTable"><thead><tr><th><b>Dimensions (D/d)</b></th><th><b>Thickness (s/s2)</b></th><th><b>Design pressure</b></th></tr> </thead><tbody><tr class="Even"><td>21,3/ 17,2 mm</td><td>2,0/ 1,8 mm</td><td>141 bar</td></tr><tr class="UnEven"><td>26,9/ 21,3 mm</td><td>2,0/ 2,0 mm</td><td>139 bar</td></tr><tr class="Even"><td>33,7/ 21,3 mm</td><td>2,0/ 2,0 mm</td><td>109 bar</td></tr><tr class="UnEven"><td>33,7/ 26,9 mm</td><td>2,0/ 2,0 mm</td><td>109 bar</td></tr><tr class="Even"><td>42,4/ 21,3 mm</td><td>2,0/ 2,0 mm</td><td>86 bar</td></tr><tr class="UnEven"><td>42,4/ 26,9 mm</td><td>2,0/ 2,0 mm</td><td>86 bar</td></tr><tr class="Even"><td>42,4/ 33,7 mm</td><td>2,0/ 2,0 mm</td><td>86 bar</td></tr><tr class="UnEven"><td>48,3/ 21,3 mm</td><td>2,0/ 2,0 mm</td><td>75 bar</td></tr><tr class="Even"><td>48,3/ 26,9 mm</td><td>2,0/ 2,0 mm</td><td>75 bar</td></tr><tr class="UnEven"><td>48,3/ 33,7 mm</td><td>2,0/ 2,0 mm</td><td>75 bar</td></tr><tr class="Even"><td>48,3/ 42,4 mm</td><td>2,0/ 2,0 mm</td><td>75 bar</td></tr><tr class="UnEven"><td>60,3/ 21,3 mm</td><td>2,3/ 2,0 mm</td><td>59 bar</td></tr><tr class="Even"><td>60,3/ 26,9 mm</td><td>2,3/ 2,0 mm</td><td>59 bar</td></tr><tr class="UnEven"><td>60,3/ 33,7 mm</td><td>2,0/ 2,0 mm</td><td>59 bar</td></tr><tr class="Even"><td>60,3/ 42,4 mm</td><td>2,0/ 2,0 mm</td><td>59 bar</td></tr><tr class="UnEven"><td>60,3/ 48,3 mm</td><td>2,0/ 2,0 mm</td><td>59 bar</td></tr><tr class="Even"><td>76,1/ 33,7 mm</td><td>2,3/ 2,0 mm</td><td>46 bar</td></tr><tr class="UnEven"><td>76,1/ 42,4 mm</td><td>2,3/ 2,0 mm</td><td>46 bar</td></tr><tr class="Even"><td>76,1/ 48,3 mm</td><td>2,0/ 2,0 mm</td><td>46 bar</td></tr><tr class="UnEven"><td>76,1/ 60,3 mm</td><td>2,0/ 2,0 mm</td><td>47 bar</td></tr><tr class="Even"><td>88,9/ 33,7 mm</td><td>2,6/ 2,0 mm</td><td>36 bar</td></tr><tr class="UnEven"><td>88,9/ 42,4 mm</td><td>2,6/ 2,0 mm</td><td>36 bar</td></tr><tr class="Even"><td>88,9/ 48,3 mm</td><td>2,6/ 2,0 mm</td><td>36 bar</td></tr><tr class="UnEven"><td>88,9/ 60,3 mm</td><td>2,0/ 2,0 mm</td><td>39 bar</td></tr><tr class="Even"><td>88,9/ 60,3 mm</td><td>2,6/ 2,0 mm</td><td>39 bar</td></tr><tr class="UnEven"><td>88,9/ 76,1 mm</td><td>2,0/ 2,0 mm</td><td>40 bar</td></tr><tr class="Even"><td>88,9/ 76,1 mm</td><td>2,6/ 2,3 mm</td><td>45 bar</td></tr><tr class="UnEven"><td>114,3/ 60,3 mm</td><td>2,0/ 2,0 mm</td><td>30 bar</td></tr><tr class="Even"><td>114,3/ 88,9 mm</td><td>2,0/ 2,0 mm</td><td>31 bar</td></tr><tr class="UnEven"><td>139,7/ 88,9 mm</td><td>2,0/ 2,0 mm</td><td>25 bar</td></tr><tr class="Even"><td>139,7/ 114,3 mm</td><td>2,0/ 2,0 mm</td><td>25 bar</td></tr><tr class="UnEven"><td>168,3/ 114,3 mm</td><td>2,0/ 2,0 mm</td><td>21 bar</td></tr><tr class="Even"><td>168,3/ 139,7 mm</td><td>2,0/ 2,0 mm</td><td>21 bar</td></tr><tr class="UnEven"><td>219,1/ 168,3 mm</td><td>2,0/ 2,0 mm</td><td>15 bar</td></tr><tr class="Even"><td>273,0/ 168,3 mm</td><td>3,0 mm</td><td>18 bar</td></tr><tr class="UnEven"><td>273,0/ 219,1 mm</td><td>3,0 mm</td><td>19 bar</td></tr></tbody></table><p><span class="tDescSmall">The design pressure was determined for the material 1.4307 for +20°C acc. to EN 10253-3, Type A</span></p><br><br><p><b>Tolerances</b></p><br><table class="techDescTable"><thead><tr><th><b>Limit deviations for wall thickness [s]</b></th></tr> </thead><tbody><tr class="Even"><td>≤ 4 mm - 12,5 % / + 20 %</td></tr><tr class="UnEven"><td>> 4 mm - 12,5 % / + 15 %</td></tr></tbody></table><table class="techDescTable"><thead><tr><th><b>Limit deviations for diameter [D]</b></th></tr> </thead><tbody><tr class="Even"><td>+/- 1,0 % or +/- 0,5 mm, the relevant higher value applies (EN tolerance class D2)</td></tr></tbody></table><table class="techDescTable"><thead><tr><th><b>Limit deviations for dimensions [L]</b></th></tr> </thead><tbody><tr class="Even"><td>≤ 219,1 = ± 2 mm</td></tr></tbody></table><br><table class="techDescTable"><thead><tr><th><b>Limit deviations for shaped piece geometry [X]</b></th></tr> </thead><tbody><tr class="Even"><td>X = 1 % of the outside-Ø or 1 mm, the relevant higher value applies</td></tr></tbody></table>
material
1.4301 >>
1.4307 >>
1.4541 >>
1.4571 >>
316L >>
You can find the accordings material data sheets in the category Interesting facts
measures and values
stocks and pricing
downloads
Stock and price list
reducer DIN EN 10253-4/A
concentric, welded
The document will be created with lastest data.
CAD
associated articles
Ask our experts
phone
Chat
We are online!
For technical questions about our products or instructions for handling our website please consult experts in our chat.
offline
Availability
We are online on Monday till Friday from 8am to 5pm.
E-Mail
Business card
Stainless steel reducers welded & concentric DIN EN 10253-4
reducer DIN EN 10253-4/ARK.
Product specification
reducer DIN EN 10253-4/A
concentric, welded
Concentric reducers
EN 10253-4 (old DIN 2616-W)
Version |
---|
Type A (Identical wall thickness on the welded end and shaped piece body) |
W (welded) - from welded pipes acc. to EN 10217-7 |
with cylindrical ende |
cold reshaped (pressed) |
pickled surface |
Material: 1.4307/304L - 1.4541 - 1.4571 - 1.4404/316L |
Certificate acc. to EN 10204/3.1 |
from in-House production
Design pressure
Dimensions (D/d) | Thickness (s/s2) | Design pressure |
---|---|---|
21,3/ 17,2 mm | 2,0/ 1,8 mm | 141 bar |
26,9/ 21,3 mm | 2,0/ 2,0 mm | 139 bar |
33,7/ 21,3 mm | 2,0/ 2,0 mm | 109 bar |
33,7/ 26,9 mm | 2,0/ 2,0 mm | 109 bar |
42,4/ 21,3 mm | 2,0/ 2,0 mm | 86 bar |
42,4/ 26,9 mm | 2,0/ 2,0 mm | 86 bar |
42,4/ 33,7 mm | 2,0/ 2,0 mm | 86 bar |
48,3/ 21,3 mm | 2,0/ 2,0 mm | 75 bar |
48,3/ 26,9 mm | 2,0/ 2,0 mm | 75 bar |
48,3/ 33,7 mm | 2,0/ 2,0 mm | 75 bar |
48,3/ 42,4 mm | 2,0/ 2,0 mm | 75 bar |
60,3/ 21,3 mm | 2,3/ 2,0 mm | 59 bar |
60,3/ 26,9 mm | 2,3/ 2,0 mm | 59 bar |
60,3/ 33,7 mm | 2,0/ 2,0 mm | 59 bar |
60,3/ 42,4 mm | 2,0/ 2,0 mm | 59 bar |
60,3/ 48,3 mm | 2,0/ 2,0 mm | 59 bar |
76,1/ 33,7 mm | 2,3/ 2,0 mm | 46 bar |
76,1/ 42,4 mm | 2,3/ 2,0 mm | 46 bar |
76,1/ 48,3 mm | 2,0/ 2,0 mm | 46 bar |
76,1/ 60,3 mm | 2,0/ 2,0 mm | 47 bar |
88,9/ 33,7 mm | 2,6/ 2,0 mm | 36 bar |
88,9/ 42,4 mm | 2,6/ 2,0 mm | 36 bar |
88,9/ 48,3 mm | 2,6/ 2,0 mm | 36 bar |
88,9/ 60,3 mm | 2,0/ 2,0 mm | 39 bar |
88,9/ 60,3 mm | 2,6/ 2,0 mm | 39 bar |
88,9/ 76,1 mm | 2,0/ 2,0 mm | 40 bar |
88,9/ 76,1 mm | 2,6/ 2,3 mm | 45 bar |
114,3/ 60,3 mm | 2,0/ 2,0 mm | 30 bar |
114,3/ 88,9 mm | 2,0/ 2,0 mm | 31 bar |
139,7/ 88,9 mm | 2,0/ 2,0 mm | 25 bar |
139,7/ 114,3 mm | 2,0/ 2,0 mm | 25 bar |
168,3/ 114,3 mm | 2,0/ 2,0 mm | 21 bar |
168,3/ 139,7 mm | 2,0/ 2,0 mm | 21 bar |
219,1/ 168,3 mm | 2,0/ 2,0 mm | 15 bar |
273,0/ 168,3 mm | 3,0 mm | 18 bar |
273,0/ 219,1 mm | 3,0 mm | 19 bar |
The design pressure was determined for the material 1.4307 for +20°C acc. to EN 10253-3, Type A
Tolerances
Limit deviations for wall thickness [s] |
---|
≤ 4 mm - 12,5 % / + 20 % |
> 4 mm - 12,5 % / + 15 % |
Limit deviations for diameter [D] |
---|
+/- 1,0 % or +/- 0,5 mm, the relevant higher value applies (EN tolerance class D2) |
Limit deviations for dimensions [L] |
---|
≤ 219,1 = ± 2 mm |
Limit deviations for shaped piece geometry [X] |
---|
X = 1 % of the outside-Ø or 1 mm, the relevant higher value applies |
measures and values
This view is not optimized for mobile devices.
You can change back to desktop view.
stocks and pricing
This view is not optimized for mobile devices.
You can change back to desktop view.
downloads
Stock and price list
reducer DIN EN 10253-4/A
concentric, welded
The document will be created with lastest data.
CAD
associated articles
Ask our experts
phone
Chat
We are online!
For technical questions about our products or instructions for handling our website please consult experts in our chat.
offline
Availability
We are online on Monday till Friday from 8am to 5pm.
E-Mail
Business card