|
PN16螺纹钢制管法兰(摘自HG/T 20592—2009) |
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|
mm |
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|
公称 尺寸 DN |
钢管 外径 A |
连接尺寸 |
法兰 厚度 C |
法兰颈 |
法兰 高度 H |
管螺纹规格 Rc、Rp或NPT (in) |
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|
法兰 外径 D |
螺栓孔中 心圆直径 K |
螺栓孔 直径 L |
螺栓孔 数量 n(个) |
螺栓 Th |
N |
R |
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|
10 |
17.2 |
90 |
60 |
14 |
4 |
M12 |
16 |
30 |
4 |
22 |
3/8 |
|
15 |
21.3 |
95 |
65 |
14 |
4 |
M12 |
16 |
35 |
4 |
22 |
½ |
|
20 |
26.9 |
105 |
75 |
14 |
4 |
M12 |
18 |
45 |
4 |
26 |
¾ |
|
25 |
33.7 |
115 |
85 |
14 |
4 |
M12 |
18 |
52 |
4 |
28 |
1 |
|
32 |
42.4 |
140 |
100 |
18 |
4 |
M16 |
18 |
60 |
6 |
30 |
1¼ |
|
40 |
48.3 |
150 |
110 |
18 |
4 |
M16 |
18 |
70 |
6 |
32 |
1½ |
|
50 |
60.3 |
165 |
125 |
18 |
4 |
M16 |
18 |
84 |
5 |
28 |
2 |
|
65 |
76.1 |
185 |
145 |
18 |
8 |
M16 |
18 |
104 |
6 |
32 |
2½ |
|
80 |
88.9 |
200 |
160 |
18 |
8 |
M16 |
20 |
118 |
6 |
34 |
3 |
|
100 |
114.3 |
220 |
180 |
18 |
8 |
M16 |
20 |
140 |
8 |
40 |
4 |
|
125 |
169.7 |
250 |
210 |
18 |
8 |
M16 |
22 |
168 |
8 |
44 |
5 |
|
150 |
168.3 |
285 |
240 |
22 |
8 |
M20 |
22 |
195 |
10 |
44 |
6 |
