ITALIAN STANDARDS UNI 2282 WELD NECK FLANGE RF PN 16 |
Directions for the designation |
d1 |
a |
b |
D |
f |
h |
h1 |
m |
r |
s |
Holes |
Screws |
Weight* |
Rated
Diameter |
External diameter
of the pipe |
Kg |
15 |
20 |
21 |
65 |
14 |
95 |
14 |
35 |
6 |
30 |
4 |
2,5 |
4 |
M 12 |
0,73 |
21,3 |
22,5 |
32 |
0,73 |
20 |
25 |
26 |
75 |
16 |
105 |
14 |
38 |
6 |
38 |
4 |
2,5 |
4 |
M 12 |
1,03 |
26,9 |
28 |
40 |
1,03 |
25 |
30 |
31 |
85 |
16 |
115 |
14 |
38 |
6 |
42 |
4 |
2,8 |
4 |
M 12 |
1,24 |
33,7 |
34,5 |
45 |
1,23 |
32 |
38 |
39 |
100 |
16 |
140 |
18 |
40 |
6 |
52 |
6 |
3 |
4 |
M 16 |
1,82 |
42,4 |
43,5 |
56 |
1,80 |
40 |
44,5 |
45,5 |
110 |
16 |
150 |
18 |
42 |
7 |
60 |
6 |
3 |
4 |
M 16 |
2,10 |
48,3 |
49,5 |
64 |
2,08 |
50 |
57 |
58 |
125 |
18 |
165 |
18 |
45 |
8 |
72 |
6 |
3,5 |
4 |
M 16 |
2,81 |
60,3 |
61,5 |
75 |
2,78 |
65 |
76,1 |
77 |
145 |
18 |
185 |
18 |
45 |
10 |
90 |
6 |
3,5 |
4 |
M 16 |
3,40 |
80 |
88,9 |
90 |
160 |
20 |
200 |
18 |
50 |
10 |
105 |
8 |
3,7 |
8** |
M 16 |
4,20 |
100 |
108 |
109 |
180 |
20 |
220 |
18 |
52 |
12 |
125 |
8 |
3,7 |
8 |
M 16 |
4,90 |
114,3 |
115,5 |
131 |
4,75 |
125 |
133 |
134 |
210 |
22 |
250 |
18 |
55 |
12 |
150 |
8 |
4 |
8 |
M 16 |
6,70 |
139,7 |
141 |
156 |
6,45 |
150 |
159 |
161 |
240 |
22 |
285 |
22 |
55 |
12 |
175 |
10 |
5 |
8 |
M 20 |
8,30 |
168,3 |
170,5 |
184 |
8,00 |
175 |
193,7 |
195,5 |
270 |
24 |
315 |
22 |
60 |
12 |
210 |
10 |
5 |
8 |
M 20 |
10,3 |
200 |
219,1 |
221 |
295 |
24 |
340 |
22 |
62 |
16 |
235 |
10 |
5 |
12 |
M 20 |
11,1 |
250 |
267 |
269 |
355 |
26 |
405 |
25 |
70 |
16 |
285 |
12 |
5,5 |
12 |
M 22 |
16,7 |
273 |
275 |
292 |
16,3 |
300 |
323,9 |
326 |
410 |
28 |
460 |
25 |
78 |
16 |
344 |
12 |
6 |
12 |
M 22 |
21,8 |
350 |
355,6 |
357,5 |
470 |
30 |
520 |
25 |
82 |
16 |
390 |
12 |
6,4 |
16 |
M 22 |
31,7 |
368 |
370 |
29,2 |
400 |
406,4 |
408,5 |
525 |
32 |
580 |
30 |
85 |
16 |
445 |
12 |
7 |
16 |
M 27 |
38,3 |
419 |
421 |
37,0 |
450 |
457,2 |
459 |
585 |
32 |
640 |
30 |
85 |
16 |
485 |
12 |
7,3 |
20 |
M 27 |
45,4 |
500 |
508 |
510 |
650 |
34 |
715 |
33 |
90 |
16 |
548 |
12 |
7,3 |
20 |
M 30 |
61,1 |
600 |
609,6 |
611,5 |
770 |
36 |
840 |
36 |
95 |
18 |
652 |
12 |
7,3 |
20 |
M 33 |
84,6 |
700 |
711,2 |
715 |
840 |
36 |
910 |
39 |
100 |
18 |
755 |
12 |
9 |
24 |
M 33 |
87,4 |
800 |
812,8 |
817 |
950 |
38 |
1025 |
39 |
105 |
20 |
855 |
12 |
9 |
24 |
M 36 x 3 |
109 |
900 |
914,4 |
918 |
1050 |
40 |
1125 |
42 |
110 |
20 |
955 |
12 |
10 |
28 |
M 36 x 3 |
129 |
1000 |
1016 |
1020 |
1170 |
42 |
1255 |
48 |
120 |
22 |
1058 |
16 |
12 |
28 |
M 39 x 3 |
175 |
1200 |
1220 |
1224 |
1390 |
48 |
1485 |
48 |
130 |
30 |
1262 |
16 |
14 |
32 |
M 45 x 3 |
257 |
1400 |
1420 |
1424 |
1590 |
52 |
1685 |
48 |
145 |
30 |
1465 |
16 |
16 |
36 |
M 45 x 3 |
337 |
1600 |
1620 |
1624 |
1820 |
58 |
1930 |
56 |
160 |
35 |
1668 |
16 |
17 |
40 |
M 52 x 3 |
481 |
1800 |
1820 |
1824 |
2020 |
62 |
2130 |
56 |
170 |
35 |
1870 |
16 |
19 |
44 |
M 52 x 3 |
591 |
2000 |
2020 |
2024 |
2230 |
66 |
2345 |
62 |
180 |
40 |
2072 |
16 |
21 |
48 |
M 56 x 4 |
727 |
* |
The weight is approximate and calculated on base 7.85 Kg/dm3
|
** |
For PN10 the flange should have 4 holes
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