Which pressure class is a DIN 2642 flange typically made from? What are their benefits?
These components withstand pressures from 150 to 2500 lbs. We are a trusted DIN 2642 PN10 flange supplier in UAE with a comprehensive repository of flanges rated from PN6 to PN64.
This DIN standard encompasses all face-type flanges that adapt to petroleum, oil and gas, chemical processing, and shipbuilding.
How do you determine the correct bolt size of a DIN 2642 PN10 flange?
The size of DIN 2642 pressed flanges depends on the length and the diameter. Under this specification, you can choose thread diameters from 12 to 45 mm and lengths from 50 to 170 mm. A thumb rule for bolt sizing is that the stud diameter is five times the diameter of the bolts. Buyers should assess the service temperature and conditions while ordering.
Can a DIN 2642 PN16 flange be reused?
It may be possible to salvage a lapped joint DIN 2642 PN16 flange from corrosive conditions as it doesn’t get exposed to harsh piping fluids. DIN 2642 Vanstone flanges comprise a rotating ring for easier alignment. They also have a reusable backing flange (lapped).
Table of content
DIN 2642 Flange
Size
Class
ASTM
ASME
DIN 2642 Loose Flange Specification
Specifications | DIN 2642 Flange |
---|---|
Schedule | SCH 5S To XXS |
Equipment | Pushing Machine Press machine electric bevelling machine |
Methods Of Forging | Casting Forging Rolling Cutting |
Testing | Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector |
Size | NPS 1⁄₂" To NPS 48” |
Supporting Material For Flanges | Gasket/ Ring Joint/ Flanges Bolts |
Pressure Class | Class 150 To Class 2500 |
Description | Price In US ($) |
---|---|
LOOSE FLANGES G125-139, 7X2,0 | US $7.48 Per KG |
DN 100/OD 108, OUTER FLANGES, HOT DIPPED GALVANIZED | US $2.72 Per KG |
DN 125/OD 133, OUTER FLANGES, HOT DIPPED GALVANIZED | US $2.61 Per KG |
DN 65/OD 76, PN10/16, OUTER FLANGES, HOT DIPPED GALVANIZED | US $2.34 Per KG |
DN 80/OD 89, PN10/16, OUTER FLANGES, HOT DIPPED GALVANIZED | US $2.62 Per KG |
FLANGED WHEEL G 125-139,7X2,0 DIN 2642 1.4571 | US $14.70 Per KG |
LOOSE FLANGES G125-139,7X2,0 DIN 2642 1.4571-41080-906 | US $15.91 Per KG |
FLANGES DN 200/219 DIN 2642 | US $10.63 Per KG |
Types Of Lap Joint Flange DIN 2642
DIN 2642 Lap Joint Flanges
DIN 2642 Loose Flanges
German Standard 2642 LJ Flanges
German Standard 2642 Lapped Joint Flanges
DIN 2642 Vanstone Flanges
DIN 2642 PN10 Flanges
DIN 2642 PN10 Lap Joint Flanges
DIN 2642 Pressed Flanges
DIN 2642 Pn16 Flanges
DIN 2642 PN10 Flange Dimensions
DIN 2642 PN10 Loose Flange
Pipe | Flanges | Screws | Weight In (KG) (7,85 Kg/dm3) |
||||||||
(Diameter) | (d1) | (D) | (d6) | (b) | (k) | (e) | (Holes) | (Thread) | (d2) | (Kilogram) | |
Series (ISO) | Series (DIN) | ||||||||||
15 | - | 20 | 95 | 22 | 14 | 65 | 3 | 4 | M 12 | 14 | 0,689 |
21,3 | - | 24 | |||||||||
20 | - | 25 | 105 | 28 | 14 | 75 | 3 | 4 | M 12 | 14 | 0,806 |
26,9 | - | 30 | |||||||||
25 | - | 30 | 115 | 33 | 16 | 85 | 4 | 4 | M 12 | 14 | 1,11 |
33,7 | - | 36 | |||||||||
32 | - | 38 | 140 | 42 | 16 | 100 | 4 | 4 | M 16 | 18 | 1,64 |
42,4 | - | 46 | |||||||||
40 | - | 44,5 | 150 | 50 | 16 | 110 | 4 | 4 | M 16 | 18 | 1,86 |
48,3 | - | 54 | |||||||||
50 | - | 57 | 165 | 62 | 16 | 125 | 5 | 4 | M 16 | 18 | 2,2 |
60,3 | - | 65 | |||||||||
65 | 76,1 | - | 185 | 81 | 16 | 145 | 5 | 4 | M 16 | 18 | 2,62 |
80 | 88,9 | - | 200 | 94 | 18 | 160 | 5 | 8 | M 16 | 18 | 3,32 |
100 | - | 108 | 220 | 113 | 18 | 180 | 5 | 8 | M 16 | 18 | 3,67 |
114,3 | - | 119 | |||||||||
125 | - | 133 | 250 | 138 | 18 | 210 | 5 | 8 | M 16 | 18 | 4,54 |
139,7 | - | 145 | |||||||||
150 | - | 159 | 285 | 164 | 18 | 240 | 5 | 8 | M 20 | 22 | 5,6 |
168,3 | - | 173 | |||||||||
200 | 219,1 | - | 340 | 225 | 20 | 295 | 5 | 8 | M 20 | 22 | 7,46 |
250 | - | 267 | 395 | 273 | 22 | 350 | 5 | 12 | M 20 | 22 | 10,3 |
273 | - | 279 | |||||||||
300 | 323,9 | - | 445 | 329 | 26 | 400 | 5 | 12 | M 20 | 22 | 14 |
350 | 355,6 | - | 505 | 362 | 28 | 460 | 6 | 16 | M 20 | 22 | 18,5 |
- | 368 | 374 | |||||||||
400 | 406,4 | - | 565 | 413 | 32 | 515 | 6 | 16 | M 24 | 26 | 25 |
- | 419 | 426 | |||||||||
(450) | 457 | - | 615 | 467 | 38 | 565 | 6 | 20 | M 24 | 26 | 30,6 |
500 | 508 | - | 670 | 517 | 38 | 620 | 6 | 20 | M 24 | 26 | 37 |
600 | 610 | - | 780 | 618 | 44 | 725 | 7 | 20 | M 27 | 30 | 56,3 |
700 | 711 | - | 895 | 721 | 50 | 840 | 7 | 24 | M 27 | 30 | 80,4 |
800 | 813 | - | 1015 | 824 | 56 | 950 | 7 | 24 | M 30 | 33 | 113,2 |
DIN 2642 Pressed Flange Dimensions
Size | (O.D.) | (D1) | (D2) | Wall Thickness | Height | L | S- Φ d3 |
DN 15 | 95 | 24 | 38 | 3 | 11.5 | 65 | 4-Φ14 |
DN 20 | 105 | 30 | 48 | 3 | 14 | 75 | 4-Φ14 |
DN 25 | 115 | 37 | 53 | 3 | 16 | 85 | 4-Φ14 |
DN 32 | 140 | 46 | 68 | 3 | 16.5 | 100 | 4-Φ18 |
DN 40 | 150 | 54 | 77 | 4 | 17.5 | 110 | 4-Φ18 |
DN 50 | 165 | 65 | 91 | 4 | 19.5 | 125 | 4-Φ18 |
DN 65 | 185 | 81 | 108 | 4 | 21 | 145 | 4-Φ18 |
DN 80 | 200 | 94 | 123 | 5 | 22 | 160 | 8-Φ18 |
DN 100 | 220 | 119 | 141 | 5 | 23 | 180 | 8-Φ18 |
DN 125 | 250 | 145 | 168 | 5 | 25 | 210 | 8-Φ18 |
DN 150 | 285 | 173 | 192 | 5 | 27 | 240 | 8-Φ22 |
DN 200 | 340 | 225 | 245 | 5 | 31 | 295 | 8-Φ22 |
DIN 2642 Loose Flange For Flange Collar PN 10
NPS | Flanges (D) millimeter |
(d5) millimeter |
(b) millimeter |
(r) millimeter |
(k) millimeter |
Drilling |
(d2) millimeter |
Weight (kilogram) |
Collar (g) millimeter |
10 15 20 |
90 95 105 |
16 23 28 |
16 |
5 |
60 65 75 |
4 4 4 |
15 |
0.23 0.26 0.30 |
45 50 60 |
25 |
115 140 150 |
33 42 50 |
16 16 16 |
5 |
85 100 110 |
4 |
15 18 18 |
0.37 0.54 0.5 |
70 82 0.92 |
50 65 80 |
165 185 200 |
62 81 94 |
18 18 20 |
5 |
125 145 160 |
4 |
18 18 18 |
0.80 0.90 1.28 |
107 127 142 |
100 125 150 |
220 250 285 |
113 138 164 |
20 22 22 |
5 |
180 210 240 |
8 8 8 |
18 18 22 |
1.37 1.78 2.27 |
162 192 218 |
175 200 250 |
315 340 395 |
195 222 273 |
24 24 26 |
6 |
270 295 350 |
8 8 12 |
22 22 22 |
2.90 3.16 4.22 |
248 273 328 |
300 350 400 |
445 505 565 |
324 374 426 |
26 26 32 |
7 |
400 460 515 |
12 16 16 |
22 22 25 |
4.80 5.85 8.45 |
378 438 490 |
450 500 600 |
615 670 780 |
475 530 630 |
32 34 36 |
8 |
565 620 725 |
20 20 20 |
25 25 30 |
9.45 11.35 15.30 |
540 595 695 |
700 800 |
895 1015 |
730 832 |
40 44 |
10 10 |
840 950 |
24 24 |
30 34 |
21.40 30.50 |
810 916 |
DIN 2642 PN10 Loose Flange Size
DN | Dimension | Norm | Type | Nominal pressure |
15 | 21.3 | DIN | 2642 | PN16 |
20 | 26.9 | - | - | - |
25 | 33.7 | - | - | - |
32 | 42.4 | - | - | - |
40 | 48.3 | - | - | - |
50 | 54.0 | - | - | - |
50 | 60.3 | - | - | - |
65 | 76.1 | - | - | - |
80 | 84.0 | - | - | - |
80 | 88.9 | - | - | - |
100 | 104.0 | - | - | - |
100 | 114.3 | - | - | - |
125 | 129.0 | - | - | - |
125 | 139.7 | - | - | - |
150 | 154.0 | - | - | - |
150 | 168.3 | - | - | PN16 |
200 | 204.0 | - | - | PN10 |
200 | 219.1 | DIN | 2642 | PN10 |
DIN 2642 PN10 Lapped Joint Flange Weight Chart
Pipe Parameter | Dimension Of Flanges | Dimension Of Screw | Weight | |||||||
DN | ISO | DIN | D | d6 | b | k | e | Number of holes | d2 | Kilogram |
10 | - | 14 | 90 | 16 | 14 | 60 | 3 | 4 | 14 | 0.61 |
17.2 | - | 90 | 19 | 14 | 60 | 3 | 4 | 14 | 0.6 | |
15 | - | 20 | 95 | 22 | 14 | 65 | 3 | 4 | 14 | 0.67 |
21.3 | - | 95 | 24 | 14 | 65 | 3 | 4 | 14 | 0.66 | |
20 | - | 25 | 105 | 28 | 14 | 75 | 3 | 4 | 14 | 0.82 |
26.9 | - | 105 | 30 | 14 | 75 | 3 | 4 | 14 | 0.81 | |
25 | - | 30 | 115 | 33 | 16 | 85 | 4 | 4 | 14 | 1.12 |
33.7 | - | 115 | 36 | 16 | 85 | 4 | 4 | 14 | 1.1 | |
32 | - | 38 | 140 | 42 | 16 | 100 | 4 | 4 | 18 | 1.63 |
42.4 | - | 140 | 46 | 16 | 100 | 4 | 4 | 18 | 1.6 | |
40 | - | 44.5 | 150 | 50 | 16 | 110 | 4 | 4 | 18 | 1.85 |
48.3 | - | 150 | 54 | 16 | 110 | 4 | 4 | 18 | 1.8 | |
50 | - | 57 | 165 | 62 | 16 | 125 | 5 | 4 | 18 | 2.18 |
60.3 | - | 165 | 65 | 16 | 125 | 5 | 4 | 18 | 2.14 | |
65 | 76.1 | - | 185 | 81 | 16 | 145 | 5 | 4 | 18 | 2.6 |
80 | 88.9 | - | 200 | 94 | 18 | 160 | 5 | 8 | 18 | 3.17 |
100 | - | 108 | 220 | 113 | 18 | 180 | 5 | 8 | 18 | 3.67 |
114.3 | - | 220 | 119 | 18 | 180 | 5 | 8 | 18 | 3.51 | |
125 | - | 133 | 250 | 138 | 18 | 210 | 5 | 8 | 18 | 4.53 |
139.7 | - | 250 | 145 | 18 | 210 | 5 | 8 | 18 | 4.32 | |
150 | - | 159 | 285 | 164 | 18 | 240 | 5 | 8 | 22 | 5.6 |
168.3 | - | 285 | 173 | 18 | 240 | 5 | 8 | 22 | 5.26 | |
200 | 219.1 | - | 340 | 225 | 20 | 295 | 5 | 8 | 22 | 7.53 |
250 | - | 267 | 395 | 273 | 22 | 350 | 5 | 12 | 22 | 10.27 |
273 | - | 395 | 279 | 22 | 350 | 5 | 12 | 22 | 9.82 | |
300 | 323.9 | - | 445 | 329 | 26 | 400 | 5 | 12 | 22 | 13.46 |
350 | 355.6 | - | 505 | 362 | 28 | 460 | 6 | 16 | 22 | 20.07 |
- | 368 | 505 | 374 | 28 | 460 | 6 | 16 | 22 | 18.54 | |
400 | 406.4 | - | 565 | 413 | 32 | 515 | 6 | 16 | 26 | 27.19 |
- | 419 | 565 | 426 | 32 | 515 | 6 | 16 | 26 | 25.04 | |
500 | 508 | - | 670 | 517 | 38 | 620 | 6 | 20 | 26 | 39.38 |
600 | 610 | - | 780 | 618 | 44 | 725 | 7 | 20 | 30 | 56.55 |
700 | 711 | - | 895 | 721 | 50 | 840 | 7 | 24 | 30 | 80.02 |
800 | 813 | - | 1015 | 824 | 56 | 950 | 7 | 24 | 33 | 112.25 |
900 | 914 | - | 1115 | 926 | 62 | 1050 | 7 | 28 | 33 | 135.8 |
1000 | 1016 | - | 1230 | 1026 | 70 | 1160 | 7 | 28 | 36 | 182.96 |
How do you test DIN 2642 loose flange for leaks after installation?
The first step is procuring a trusted DIN 2642 loose flange certified by radiography tests, ultrasonic flaw detection, and hydrostatic testing. Loose flanges have a stub end butt-welded to the pipe, and one section slipped around it. Rotational ease lets you avoid misalignment, reducing the likelihood of leaks.
After installing DIN 2642 LJ flanges, you should inspect for leaks by filling the piping with pressurised water/gas. Reverse integrity testing of a lap joint flange german standard 2642 using a gasket is an alternate, time-saving solution.
What is the required wall thickness for a lap joint flange DIN 2642?
Buyers can order flanges from DIN 10 to DIN 5000. The standard wall thickness (in mm) under this specification is 11.2 to 42.9. While we supply DIN 2642 PN16 LJFF flanges in sizes from ½ to 48 inches, we can accommodate customisations per buyer’s drawings.
What is the heat treatment process for DIN 2642 lapped joint flanges after welding?
DIN 2642 lapped joint flanges allow swivelling and rotational alignment, letting you coordinate bolt holes. However, welding can cause residual stresses that post-weld heat treatments remove. Post-heating and stress-relieving treatments improve mechanical and chemical properties.