PN16带颈对焊孔板法兰(摘自HG/T 20592—2009) |
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mm |
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公称 尺寸 DN |
钢管外径 法兰焊端外径 A1 |
连接尺寸 |
法兰 厚度 C |
法兰颈 |
法兰 高度 H |
测压孔 直径 TT |
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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 |
S |
H1 ≈ |
R |
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A |
B |
A |
B |
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25 |
33.7 |
32 |
115 |
85 |
14 |
4 |
M12 |
38 |
46 |
46 |
2.6 |
6 |
4 |
60 |
7 |
32 |
42.4 |
38 |
140 |
100 |
18 |
4 |
M16 |
38 |
56 |
56 |
2.6 |
6 |
6 |
62 |
7 |
40 |
48.3 |
45 |
150 |
110 |
18 |
4 |
M16 |
38 |
64 |
64 |
2.6 |
7 |
6 |
65 |
7 |
50 |
60.3 |
57 |
165 |
125 |
18 |
4 |
M16 |
38 |
74 |
74 |
2.9 |
8 |
5 |
65 |
7 |
65 |
76.1 |
65 |
185 |
145 |
18 |
8 |
M16 |
38 |
92 |
92 |
2.9 |
10 |
6 |
65 |
7 |
80 |
88.9 |
89 |
200 |
160 |
18 |
8 |
M16 |
38 |
105 |
105 |
3.2 |
10 |
6 |
68 |
10 |
100 |
114.3 |
108 |
220 |
180 |
18 |
8 |
M16 |
38 |
131 |
131 |
3.6 |
12 |
8 |
70 |
13 |
125 |
139.7 |
133 |
250 |
210 |
18 |
8 |
M16 |
38 |
156 |
156 |
4.0 |
12 |
8 |
71 |
13 |
150 |
168.3 |
159 |
285 |
240 |
22 |
8 |
M20 |
38 |
184 |
184 |
4.5 |
12 |
10 |
71 |
13 |
200 |
219.1 |
219 |
340 |
295 |
22 |
12 |
M20 |
38 |
235 |
235 |
6.3 |
16 |
10 |
76 |
13 |
250 |
273 |
273 |
405 |
355 |
26 |
12 |
M24 |
38 |
292 |
292 |
6.3 |
16 |
12 |
82 |
13 |
300 |
323.9 |
325 |
460 |
410 |
26 |
12 |
M24 |
38 |
344 |
344 |
7.1 |
16 |
12 |
88 |
13 |
350 |
355.6 |
377 |
520 |
470 |
26 |
16 |
M24 |
38 |
390 |
410 |
8.0 |
16 |
12 |
90 |
13 |
400 |
406.4 |
426 |
580 |
525 |
30 |
16 |
M27 |
38 |
445 |
464 |
8.0 |
16 |
12 |
91 |
13 |
450 |
457 |
480 |
640 |
585 |
30 |
20 |
M27 |
40 |
490 |
512 |
8.0 |
16 |
12 |
87 |
13 |
500 |
508 |
530 |
715 |
650 |
33 |
20 |
M30 |
44 |
548 |
570 |
8.0 |
16 |
12 |
90 |
13 |
600 |
610 |
630 |
840 |
770 |
36 |
20 |
M33 |
54 |
652 |
672 |
8.8 |
18 |
12 |
95 |
13 |