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UNI Welding Neck Flange
UNI 2280 weld neck flange PN6
Standard: UNI
Flange type: weld neck flange
Size range: DN15-DN2000
Pressure: PN6
Material: Stainless steel , Alloy Steel , Carbon Steel
Standard: UNI
Flange type: weld neck flange
Size range: DN15-DN2000
Pressure class: PN6
Process: Forged
Specialize: As per drawing
Material:
Stainless Steel Material:
ASTM A182 F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex stainless steel UNS S32304,S31803,S32205.
Super Duplex stainless steel UNS S32750/S32760/S31260/S32550/S32707
Carbon Steel Material:
ASTM A105, Q235, A350 LF2,ASTM A694 F42/F46/F52/F60/F65/F70/F80
Alloy Steel Material:
ASTM A 182, GR F1,F5, F9, F11, F22, F91
Copper&Nickel Alloy Material:
CU/NI 90/10, CU/NI 70/30
Nickel Alloy Material:
Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Surface treatment: Anti-rust oil, transparent/yellow/black,Anti-rust paint, Zinc,Hot dipped galvanized
Usage: Oil field, Offshore, Water system, Shipbuilding, Natural gas,Electric power, Pipe projects,etc.
Standard: UNI
Flange type: weld neck flange
Size range: DN15-DN2000
Pressure class: PN6
Material : Stainless steel , Alloy Steel , Carbon Steel
|
Directions for the designation |
d1 |
a |
b |
D |
f |
h |
h1 |
m |
r |
s |
Holes |
Screws |
Weight* |
|
|
Rated |
External diameter |
Kg |
||||||||||||
|
Diameter |
of the pipe |
|||||||||||||
|
15 |
20 |
21 |
55 |
12 |
80 |
11 |
30 |
6 |
28 |
4 |
2,5 |
4 |
M 10 |
0,45 |
|
21,3 |
22,5 |
30 |
0,45 |
|||||||||||
|
20 |
25 |
26 |
65 |
14 |
90 |
11 |
32 |
6 |
35 |
4 |
2,5 |
4 |
M 10 |
0,66 |
|
26,9 |
28 |
38 |
0,66 |
|||||||||||
|
25 |
30 |
31 |
75 |
14 |
100 |
11 |
35 |
6 |
40 |
4 |
2,8 |
4 |
M 10 |
0,83 |
|
33,7 |
34,5 |
42 |
0,82 |
|||||||||||
|
32 |
38 |
39 |
90 |
14 |
120 |
14 |
35 |
6 |
50 |
6 |
3 |
4 |
M 12 |
1,18 |
|
42,4 |
43,5 |
55 |
1,16 |
|||||||||||
|
40 |
44,5 |
45,5 |
100 |
14 |
130 |
14 |
38 |
7 |
58 |
6 |
3 |
4 |
M 12 |
1,40 |
|
48,3 |
49,5 |
62 |
1,38 |
|||||||||||
|
50 |
57 |
58 |
110 |
14 |
140 |
14 |
38 |
8 |
70 |
6 |
3,5 |
4 |
M 12 |
1,58 |
|
60,3 |
61,5 |
74 |
1,56 |
|||||||||||
|
65 |
76,1 |
77 |
130 |
14 |
160 |
14 |
38 |
9 |
88 |
6 |
3,5 |
4 |
M 12 |
1,95 |
|
80 |
88,9 |
90 |
150 |
16 |
190 |
18 |
42 |
10 |
102 |
8 |
3,7 |
4 |
M 16 |
3,07 |
|
100 |
108 |
109 |
170 |
16 |
210 |
18 |
45 |
10 |
122 |
8 |
3,7 |
4** |
M 16 |
3,68 |
|
114,3 |
115,5 |
130 |
3,56 |
|||||||||||
|
125 |
133 |
134 |
200 |
18 |
240 |
18 |
48 |
10 |
148 |
8 |
4 |
8 |
M 16 |
5,04 |
|
139,7 |
141 |
155 |
4,80 |
|||||||||||
|
150 |
159 |
161 |
225 |
18 |
265 |
18 |
48 |
12 |
172 |
10 |
5 |
8 |
M 16 |
5,75 |
|
168,3 |
170,5 |
184 |
5,52 |
|||||||||||
|
175 |
193,7 |
195,5 |
255 |
20 |
295 |
18 |
52 |
12 |
208 |
10 |
5 |
8 |
M 16 |
7,22 |
|
200 |
219,1 |
221 |
280 |
20 |
320 |
18 |
55 |
15 |
236 |
10 |
5 |
8 |
M 16 |
8,16 |
|
250 |
267 |
269 |
335 |
22 |
375 |
18 |
60 |
15 |
282 |
12 |
5,5 |
12 |
M 16 |
11,4 |
|
273 |
275 |
290 |
11,1 |
|||||||||||
|
300 |
323,9 |
326 |
395 |
22 |
440 |
22 |
62 |
15 |
342 |
12 |
6 |
12 |
M 20 |
14,8 |
|
350 |
355,6 |
357,5 |
445 |
22 |
490 |
22 |
62 |
15 |
385 |
12 |
6,5 |
12 |
M 20 |
19,5 |
|
368 |
370 |
17,7 |
||||||||||||
|
400 |
406,4 |
408,5 |
495 |
22 |
540 |
22 |
65 |
15 |
438 |
12 |
7 |
16 |
M 20 |
22,5 |
|
419 |
421 |
20,3 |
||||||||||||
|
450 |
457,2 |
459 |
550 |
22 |
595 |
22 |
65 |
15 |
476 |
12 |
7,3 |
16 |
M 20 |
25,0 |
|
500 |
508 |
510 |
600 |
24 |
645 |
22 |
68 |
15 |
538 |
12 |
7,3 |
20 |
M 20 |
30,4 |
|
600 |
609,6 |
611,5 |
705 |
24 |
755 |
25 |
70 |
16 |
640 |
12 |
7,3 |
20 |
M 22 |
38,0 |
|
700 |
711,2 |
715 |
810 |
24 |
860 |
25 |
70 |
16 |
740 |
12 |
9 |
24 |
M 22 |
45,9 |
|
800 |
812,8 |
817 |
920 |
24 |
975 |
30 |
70 |
16 |
842 |
12 |
9 |
24 |
M 27 |
55,0 |
|
900 |
914,4 |
918 |
1020 |
26 |
1075 |
30 |
70 |
16 |
942 |
12 |
9 |
24 |
M 27 |
64,7 |
|
1000 |
1016 |
1020 |
1120 |
26 |
1175 |
30 |
70 |
16 |
1045 |
16 |
9 |
28 |
M 27 |
70,6 |
|
1200 |
1220 |
1224 |
1340 |
28 |
1405 |
33 |
90 |
20 |
1248 |
16 |
9 |
32 |
M 30 |
108 |
|
1400 |
1420 |
1424 |
1560 |
32 |
1630 |
36 |
90 |
20 |
1452 |
16 |
9 |
36 |
M 33 |
153 |
|
1600 |
1620 |
1624 |
1760 |
34 |
1830 |
36 |
90 |
20 |
1655 |
16 |
11 |
40 |
M 33 |
189 |
|
1800 |
1820 |
1824 |
1970 |
36 |
2045 |
39 |
100 |
20 |
1855 |
16 |
11 |
44 |
M 36 x 3 |
239 |
|
2000 |
2020 |
2024 |
2180 |
38 |
2265 |
42 |
110 |
25 |
2058 |
16 |
12 |
48 |
M 39 x 3 |
308 |
