Flanges
UNI Norm Flanges
Threaded Flanges
Threaded Flanges UNI 2254 PN16
Rated
Diameter |
d1 |
Flange |
Neck |
Raised face |
Screws |
Weight of a flange
(7,85 Kg/dm3) |
Thread |
D |
b |
k |
h1 |
d3 |
d4 |
f |
Number |
Thread |
d2 |
Kg |
15 |
21,3 |
R 1/2 |
95 |
14 |
65 |
20 |
35 |
45 |
2 |
4 |
M 12 |
14 |
0,613 |
20 |
26,9 |
R 3/4 |
105 |
16 |
75 |
24 |
45 |
58 |
2 |
4 |
M 12 |
14 |
0,91 |
25 |
33,7 |
R 1 |
115 |
16 |
85 |
24 |
52 |
68 |
2 |
4 |
M 12 |
14 |
1,1 |
32 |
42,4 |
R 1 1/4 |
140 |
16 |
100 |
26 |
60 |
78 |
2 |
4 |
M 16 |
18 |
1,6 |
40 |
48,3 |
R 1 1/2 |
150 |
16 |
110 |
26 |
70 |
88 |
3 |
4 |
M 16 |
18 |
1,78 |
50 |
60,3 |
R 2 |
165 |
18 |
125 |
28 |
85 |
102 |
3 |
4 |
M 16 |
18 |
2,43 |
65 |
76,1 |
R 2 1/2 |
185 |
18 |
145 |
32 |
105 |
122 |
3 |
4 |
M 16 |
18 |
3,18 |
80 |
88,9 |
R 3 |
200 |
20 |
160 |
34 |
118 |
138 |
3 |
8 |
M 16 |
18 |
4,12 |
100 |
114,3 |
R 4 |
220 |
20 |
180 |
38 |
140 |
158 |
3 |
8 |
M 16 |
18 |
4,47 |
125 |
139,7 |
R 5 |
250 |
22 |
210 |
40 |
168 |
188 |
3 |
8 |
M 16 |
18 |
6,13 |
150 |
165,1 |
R 6 |
285 |
22 |
240 |
44 |
195 |
212 |
3 |
8 |
M 20 |
22 |
7,92 |
|