PN10带颈平焊钢制管法兰(摘自HG/T 20592—2009) |
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mm |
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公称 尺寸 DN |
钢管外径 A1 |
连接尺寸 |
法兰 厚度 C |
法兰内径 B1 |
法兰颈 |
法兰 高度 H |
坡口 宽度 b |
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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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A |
B |
A |
B |
A |
B |
||||||||||
10 |
17.2 |
14 |
90 |
60 |
14 |
4 |
M12 |
16 |
18 |
15 |
30 |
30 |
4 |
22 |
— |
15 |
21.3 |
18 |
95 |
65 |
14 |
4 |
M12 |
16 |
22.5 |
19 |
35 |
35 |
4 |
22 |
— |
20 |
26.9 |
25 |
105 |
75 |
14 |
4 |
M12 |
18 |
27.5 |
26 |
45 |
45 |
4 |
26 |
— |
25 |
33.7 |
32 |
115 |
85 |
14 |
4 |
M12 |
18 |
34.5 |
33 |
52 |
52 |
4 |
28 |
— |
32 |
42.4 |
38 |
140 |
100 |
18 |
4 |
M16 |
18 |
43.5 |
39 |
60 |
60 |
6 |
30 |
— |
40 |
48.3 |
45 |
150 |
110 |
18 |
4 |
M16 |
18 |
49.5 |
46 |
70 |
70 |
6 |
32 |
— |
50 |
60.3 |
57 |
165 |
125 |
18 |
4 |
M16 |
18 |
61.5 |
59 |
84 |
84 |
5 |
28 |
— |
65 |
76.1 |
76 |
185 |
145 |
18 |
8 |
M16 |
18 |
77.5 |
78 |
104 |
104 |
6 |
32 |
— |
80 |
88.9 |
89 |
200 |
160 |
18 |
8 |
M16 |
20 |
90.5 |
91 |
118 |
118 |
6 |
34 |
— |
100 |
114.3 |
108 |
220 |
180 |
18 |
8 |
M16 |
20 |
116 |
110 |
140 |
140 |
8 |
40 |
— |
125 |
139.7 |
133 |
250 |
210 |
18 |
8 |
M16 |
22 |
143.5 |
135 |
168 |
168 |
8 |
44 |
— |
150 |
168.3 |
159 |
285 |
240 |
22 |
8 |
M20 |
22 |
170.5 |
161 |
195 |
195 |
10 |
44 |
— |
200 |
219.1 |
219 |
340 |
295 |
22 |
8 |
M20 |
24 |
221.5 |
222 |
246 |
246 |
10 |
44 |
— |
250 |
273 |
273 |
395 |
350 |
22 |
12 |
M20 |
26 |
276.5 |
276 |
298 |
298 |
12 |
46 |
— |
300 |
323.9 |
325 |
445 |
400 |
22 |
12 |
M20 |
26 |
328 |
328 |
350 |
350 |
12 |
46 |
— |
350 |
355.6 |
377 |
505 |
460 |
22 |
16 |
M20 |
26 |
360 |
381 |
400 |
412 |
12 |
53 |
— |
400 |
406.4 |
426 |
565 |
515 |
26 |
16 |
M24 |
26 |
411 |
430 |
456 |
475 |
12 |
57 |
— |
450 |
457 |
480 |
615 |
565 |
26 |
20 |
M24 |
28 |
462 |
485 |
502 |
525 |
12 |
63 |
12 |
500 |
508 |
530 |
670 |
620 |
26 |
20 |
M24 |
28 |
513.5 |
535 |
559 |
581 |
12 |
67 |
12 |
600 |
610 |
630 |
780 |
725 |
30 |
20 |
M27 |
28 |
616.5 |
636 |
658 |
678 |
12 |
75 |
12 |