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Weld Neck Flange
Details:
|
Standard |
ASME,JIS,DIN,GB,GOST |
|
Material |
Titanium Gr1, Gr2, Gr4, Grade9, Grade 11 etc. |
|
Size |
DN10-DN2000 |
|
OEM |
Support |
|
Pressure |
PN10,PN16,PN25,PN40,PN63,PN100,PN160, |
|
Technics |
Forged |
|
Flange surface |
RF,MFM,TG,FF,RJ |
|
Type |
Weld Neck Flange |
|
Packaging |
Export Standard Wooden case, or can be customized |
|
Application |
Petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, stamping elbow, food and other
|
Specification
|
Nominal size DN |
Outer diameter of steel pipe flange weld end Outer diameter A₁ |
Connection size |
Flange thickness C |
Flange neck |
Flange height H |
|||||||||
|
Flange outside diameter D |
Diameter of
center circle of bolt hole |
Bolt hole
diameter |
Number of bolt holes n(pc) |
bolt |
N |
S≥ |
H1 |
R |
||||||
|
A |
B |
A |
B |
|||||||||||
|
10 |
17.2 |
14 |
90 |
60 |
14 |
4 |
4 |
16 |
28 |
28 |
1.8 |
6 |
4 |
35 |
|
15 |
21.3 |
18 |
95 |
65 |
14 |
4 |
4 |
16 |
32 |
32 |
2.0 |
6 |
4 |
38 |
|
20 |
26.9 |
25 |
105 |
75 |
14 |
4 |
4 |
18 |
40 |
40 |
2.3 |
6 |
4 |
40 |
|
25 |
33.7 |
32 |
115 |
85 |
14 |
4 |
4 |
18 |
46 |
46 |
2.6 |
6 |
4 |
40 |
|
32 |
42.4 |
38 |
140 |
100 |
18 |
4 |
4 |
18 |
56 |
56 |
2.6 |
6 |
6 |
42 |
|
40 |
48.3 |
45 |
150 |
110 |
18 |
4 |
M16 |
18 |
64 |
64 |
2.6 |
7 |
6 |
45 |
|
50 |
60.3 |
57 |
165 |
125 |
18 |
4 |
M16 |
18 |
74 |
74 |
2.9 |
8 |
5 |
45 |
|
65 |
76.1 |
65 |
185 |
145 |
18 |
8 |
M16 |
18 |
92 |
92 |
2.9 |
10 |
6 |
45 |
|
80 |
88.9 |
89 |
200 |
160 |
18 |
8 |
M16 |
20 |
105 |
105 |
3.2 |
10 |
6 |
50 |
|
100 |
114.3 |
108 |
220 |
180 |
18 |
8 |
M16 |
20 |
133 |
131 |
3.6 |
12 |
8 |
52 |
|
… |
… |
… |
… |
… |
… |
… |
… |
… |
… |
… |
… |
… |
… |
… |
|
2000 |
2032 |
2020 |
2325 |
2230 |
48 |
48 |
M45×3 |
54 |
2072 |
2070 |
16 |
30 |
16 |
180 |