GB/T 9114 PN2.0 Th螺纹法兰属于国标法兰标准体系。是国标法兰(又称GB法兰)的其中一种表现形式，是设备或管道上常用的法兰。以下是GB/T 9114 PN2.0 Th螺纹法兰中，相关压力下，各部位的全部尺寸及图示，以方便广大法兰从业者查询和参考。
|
压力 |
通径 |
钢管外径 |
法兰外径 |
中心距 |
孔径 |
孔数 |
孔螺纹 |
密封面 |
密封面高 |
盘厚 |
总高 |
法兰颈 |
R |
螺纹长度 |
|
PH |
DN |
A |
D |
K |
L |
n |
规格 |
d |
£ |
C |
H |
|
R |
Tmin |
|
PN2. 0 |
15 |
21.3 |
90 |
60.5 |
16 |
4 |
M14 |
35 |
2 |
11.5 |
16 |
30 |
— |
16 |
|
20 |
26.9 |
100 |
70 |
16 |
4 |
M14 |
43 |
2 |
13 |
16 |
38 |
— |
16 |
|
|
25 |
33.7 |
110 |
79.5 |
16 |
4 |
M14 |
51 |
2 |
14.5 |
17 |
49 |
— |
17 |
|
|
32 |
42.4 |
120 |
89 |
16 |
4 |
M14 |
63.5 |
2 |
16 |
21 |
59 |
— |
21 |
|
|
40 |
48.3 |
130 |
98.5 |
16 |
4 |
M14 |
73 |
2 |
17.5 |
22 |
65 |
— |
22 |
|
|
50 |
60.3 |
150 |
120.5 |
18 |
4 |
M16 |
92 |
2 |
19.5 |
25 |
78 |
— |
25 |
|
|
65 |
73 |
180 |
139.5 |
18 |
4 |
M16 |
105 |
2 |
22.5 |
29 |
90 |
— |
29 |
|
|
80 |
88.9 |
190 |
152.5 |
18 |
4 |
M16 |
127 |
2 |
24 |
30 |
108 |
— |
30 |
|
|
100 |
114.3 |
230 |
190.5 |
18 |
8 |
M16 |
157.5 |
2 |
24 |
33 |
135 |
— |
33 |
|
|
125 |
141.3 |
255 |
216 |
22 |
8 |
M20 |
186 |
2 |
24 |
36 |
164 |
— |
36 |
|
|
150 |
168.3 |
280 |
241.5 |
22 |
8 |
M20 |
216 |
2 |
25.5 |
40 |
192 |
— |
40 |
|
|
200 |
219. 1 |
345 |
298.5 |
22 |
8 |
M20 |
270 |
2 |
29 |
44 |
246 |
— |
44 |
|
|
250 |
273 |
405 |
362 |
26 |
12 |
M24 |
324 |
2 |
30.5 |
49 |
305 |
— |
49 |
|
|
300 |
323.9 |
485 |
432 |
26 |
12 |
M24 |
381 |
2 |
32 |
56 |
365 |
10 |
56 |
|
|
350 |
355.6 |
535 |
476 |
29.5 |
12 |
M27 |
413 |
2 |
35 |
57 |
400 |
10 |
57 |
|
|
400 |
406.4 |
600 |
540 |
29.5 |
16 |
M27 |
470 |
2 |
37 |
64 |
457 |
10 |
64 |
|
|
450 |
457 |
635 |
578 |
32.5 |
16 |
M30 |
533.5 |
2 |
40 |
68 |
505 |
10 |
68 |
|
|
500 |
508 |
700 |
635 |
32.5 |
20 |
M30 |
584.5 |
2 |
43 |
73 |
559 |
10 |
73 |
|
|
600 |
610 |
815 |
749.5 |
35.5 |
20 |
M33 |
692.5 |
2 |
48 |
83 |
664 |
10 |
83 |
