Germany standard flange DIN 2635 welding neck flanges; nominal pressure 40
Vorschweißflansche DIN 2635 Nenndruck 40
Brides 脿 souder 脿 collerette DIN 2635: pression nominale 40
Pipe
Flange
Neck
Raised face
Screws
Weight
(7,85 Kg/dm3)
Rated
d1
D
b
k
h1
d3
s
r
h2
d4
f
Holes
Thread
d2
Kg
Diameter
ISO Series
DIN Series
15
-
20
95
16
65
38
30
2
4
6
45
2
4
M 12
14
0,746
21,3
-
32
20
-
25
105
18
75
40
38
2,3
4
6
58
2
4
M 12
14
1,06
26,9
-
40
25
-
30
115
18
85
40
42
2,6
4
6
68
2
4
M 12
14
1,29
33,7
-
45
32
-
38
140
18
100
42
52
2,6
6
6
78
2
4
M 16
18
1,88
42,4
-
56
40
-
44,5
150
18
110
45
60
2,6
6
7
88
3
4
M 16
18
2,33
48,3
-
64
50
-
57
165
20
125
48
72
2,9
6
8
102
3
4
M 16
18
2,82
60,3
-
75
65
76,1
-
185
22
145
52
90
2,9
6
10
122
3
8
M 16
18
3,74
80
88,9
-
200
24
160
58
105
3,2
8
12
138
3
8
M 16
18
4,75
100
-
108
235
24
190
65
128
3,6
8
12
162
3
8
M 20
22
6,52
114,3
-
134
125
-
133
270
26
220
68
155
4
8
12
188
3
8
M 24
26
9,07
139,7
-
162
150
-
159
300
28
250
75
182
4,5
10
12
218
3
8
M 24
26
11,8
168,3
-
192
(175)
193,7
-
350
32
295
82
218
5,6
10
15
260
3
12
M 27
30
18,2
200
219,1
-
375
34
320
88
244
6,3
10
16
285
3
12
M 27
30
21,5
250
-
267
450
38
385
105
298
7,1
12
18
345
3
12
M 30
33
34,9
273
-
306
300
323,9
-
515
42
450
115
362
8
12
18
410
4
16
M 30
33
49,7
350
355,6
-
580
46
510
125
408
8,8
12
20
465
4
16
M 33
36
68,1
-
368
400
406,4
-
660
50
585
135
462
11
12
20
535
4
16
M 36
39
96,5
-
419
(450)
457
-
685
50
610
135
500
12,5
12
20
560
4
20
M 36
39
99,7
500
508
-
755
52
670
140
562
14,2
12
20
615
4
20
M 39
42
117
Use these tables for RFQ preparation. Final production should be confirmed against the required standard edition, drawing, material grade and certificate requirement.
Supply notes
Supply and order notes
Product scope
DIN 2635 PN40 weld neck flange can be quoted in carbon steel, stainless steel or project material grades when the order specification, dimensions and certificate requirements are confirmed.
How we prepare the production item
Our quotation records the standard number, DN size, pressure rating, material grade, facing, quantity and document scope, with project drawings linked to the same production item.
Technical purchasing support
How Hyupshin turns the specification into a controlled flange order.
Dimension control
DIN production dimensions
Our technical team compares the requested standard edition and project drawing, then releases the applicable dimensions to production.
Pressure and facing
PN40
We record the PN rating, sealing-face form, surface finish and tolerance notes on each PN-rated quotation line.
Product geometry
Weld Neck manufacturing details
Flange type, sealing face, drilling, thickness and machining details are checked together so production and inspection use the same specification.
Documents
Certificate and inspection records
Our order file carries the agreed EN 10204 3.1, PED, AD 2000, UKCA, PMI, NDT and third-party inspection scope through to shipment.
Send this product for quotation
Request a quotation for this flange
Send the standard, flange type, DN, PN, sealing face, material grade, quantity, certificate requirement and any project drawing.
