ASME B 16.5(突面)RF法兰尺寸表
目前,国际上管法兰标准概括起来主要存在着两个体系:即欧洲法兰体系和美洲法兰体系。欧洲法兰体系以德国和前苏联管法兰为代表;美洲法兰体系美国ANSI管法兰为代表;这两个体系的法兰尺寸彼此不能互换;我国的石油化工大多是20世纪50年代按前苏联模式建立起来,因此,JB标准系列靠近欧洲法兰体系。目前,我国钢管标准存在着两套外径系列的管子规格,一套为“小外径”管;另一套为“大外径”管。美洲法兰体系美国ANSI管法兰公称直径及匹配的管子系列尺寸见下表所示。
CLASS 150Lb |
|||||||||||||||||||
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
NPS |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
D |
89 |
99 |
108 |
117 |
127 |
152 |
178 |
191 |
229 |
254 |
279 |
343 |
406 |
483 |
533 |
597 |
635 |
699 |
813 |
D1 |
60.5 |
69.9 |
79.2 |
88.9 |
98.6 |
120.7 |
139.7 |
152.4 |
190.5 |
215.9 |
241.3 |
298.5 |
362.0 |
431.8 |
476.3 |
539.8 |
577.9 |
635 |
749.3 |
D2 |
35 |
43 |
51 |
64 |
73 |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
b |
10 |
10.5 |
11.5 |
13 |
14.5 |
16 |
18 |
19.5 |
24 |
24 |
25.5 |
28.5 |
30.5 |
32 |
35.5 |
37 |
40 |
43 |
48 |
f |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
d |
16 |
16 |
16 |
16 |
16 |
19 |
19 |
19 |
19 |
22 |
22 |
22 |
25 |
25 |
28 |
28 |
32 |
32 |
35 |
孔数 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
8 |
8 |
12 |
12 |
12 |
16 |
16 |
20 |
20 |
CLASS 300Lb |
|||||||||||||||||||
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
NPS |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
D |
95 |
117 |
124 |
133 |
155 |
165 |
191 |
210 |
254 |
279 |
318 |
381 |
445 |
521 |
584 |
648 |
711 |
775 |
914 |
D1 |
67 |
83 |
89 |
99 |
114 |
127 |
149.4 |
168.1 |
200.2 |
235 |
269.7 |
330.2 |
387.4 |
450.9 |
514.4 |
571.5 |
628.7 |
685.8 |
812.8 |
D2 |
35 |
43 |
51 |
64 |
73 |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
b |
14.5 |
16 |
18 |
19.5 |
21 |
22.5 |
25.5 |
28.5 |
32 |
35.5 |
37 |
41.5 |
48 |
51 |
54 |
57.5 |
60.5 |
63.5 |
70 |
f |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
d |
16 |
19 |
19 |
19 |
22 |
19 |
22 |
22 |
22 |
22 |
22 |
25 |
28 |
32 |
32 |
35 |
35 |
35 |
41 |
孔数 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
8 |
8 |
8 |
12 |
12 |
16 |
16 |
20 |
20 |
24 |
24 |
24 |
CLASS 600Lb |
|||||||||||||||||||
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
NPS |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
D |
95 |
117 |
124 |
133 |
155 |
165 |
191 |
210 |
273 |
330 |
356 |
419 |
508 |
559 |
603 |
686 |
743 |
813 |
940 |
D1 |
66.5 |
82.6 |
88.9 |
98.6 |
114.3 |
127 |
149.4 |
168.1 |
215.9 |
266.7 |
292.1 |
349.3 |
431.8 |
489 |
527.1 |
603.3 |
654.1 |
723.9 |
838.2 |
D2 |
35 |
43 |
51 |
64 |
73 |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
b |
14.5 |
16 |
18 |
21 |
22.5 |
25.5 |
28.5 |
32 |
38.5 |
44.5 |
48 |
56 |
63.5 |
67 |
70 |
76.5 |
83 |
89 |
102 |
f |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
d |
16 |
19 |
19 |
19 |
22 |
19 |
22 |
22 |
25 |
28 |
28 |
32 |
35 |
35 |
38 |
41 |
44 |
44 |
51 |
孔数 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
8 |
8 |
8 |
12 |
12 |
16 |
20 |
20 |
20 |
20 |
24 |
24 |
CLASS 900Lb |
|||||||||||||||||||
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
NPS |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
D |
121 |
130 |
149 |
159 |
178 |
216 |
244 |
241 |
292 |
349 |
381 |
470 |
546 |
610 |
641 |
705 |
787 |
857 |
1041 |
D1 |
82.6 |
88.9 |
101.6 |
111.3 |
124.0 |
165.1 |
190.5 |
190.5 |
235 |
279.4 |
317.5 |
393.7 |
469.9 |
533.4 |
558.8 |
616 |
685.8 |
749.3 |
901.7 |
D2 |
35 |
43 |
51 |
64 |
73 |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
b |
22.5 |
25.5 |
28.5 |
28.5 |
32 |
38.5 |
41.5 |
38.5 |
44.5 |
51 |
56 |
63.5 |
70 |
79.5 |
86 |
89 |
102 |
108 |
140 |
f |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
d |
22 |
22 |
25 |
25 |
28 |
25 |
28 |
25 |
32 |
35 |
32 |
38 |
38 |
38 |
41 |
44 |
51 |
54 |
67 |
孔数 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
8 |
8 |
8 |
12 |
12 |
16 |
20 |
20 |
20 |
20 |
20 |
20 |
CLASS 1500Lb |
|||||||||||||||||||
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
NPS |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
D |
121 |
130 |
149 |
159 |
178 |
216 |
244 |
267 |
311 |
375 |
394 |
483 |
584 |
673 |
749 |
826 |
914 |
984 |
1168 |
D1 |
82.6 |
88.9 |
101.6 |
111.3 |
124.0 |
165.1 |
190.5 |
203.2 |
241.3 |
292.1 |
317.5 |
393.7 |
482.6 |
571.5 |
635 |
704.9 |
774.7 |
831.9 |
990.6 |
D2 |
35 |
43 |
51 |
64 |
73 |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
413 |
470 |
533 |
584 |
692 |
b |
22.5 |
25.5 |
28.5 |
28.5 |
32 |
38.5 |
41.5 |
48 |
54 |
73.5 |
83 |
92 |
108 |
124 |
133.5 |
146.5 |
162 |
178 |
203.5 |
f |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
d |
22 |
22 |
25 |
25 |
28 |
25 |
28 |
32 |
35 |
41 |
38 |
44 |
51 |
54 |
60 |
67 |
73 |
79 |
92 |
孔数 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
8 |
8 |
8 |
12 |
12 |
12 |
16 |
16 |
16 |
16 |
16 |
16 |
CLASS 2500Lb |
|||||||||||||||||||
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|||||
NPS |
1/2 |
3/4 |
1 |
11/4 |
11/2 |
2 |
21/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
|||||
D |
133 |
140 |
159 |
184 |
203 |
235 |
267 |
305 |
356 |
419 |
483 |
552 |
673 |
762 |
|||||
D1 |
88.9 |
95.3 |
108 |
130 |
146.1 |
171.5 |
196.9 |
228.6 |
273.1 |
323.9 |
368.3 |
438.2 |
539.8 |
619.3 |
|||||
D2 |
35 |
43 |
51 |
64 |
73 |
92 |
105 |
127 |
157 |
186 |
216 |
270 |
324 |
381 |
|||||
b |
30.5 |
32 |
35.5 |
38.5 |
44.5 |
51 |
57.5 |
67 |
76.5 |
92 |
108 |
127 |
165.5 |
184.5 |
|||||
f |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
|||||
d |
22 |
22 |
25 |
28 |
32 |
38 |
32 |
35 |
41 |
48 |
54 |
54 |
67 |
73 |
|||||
孔数 |
4 |
4 |
4 |
4 |
4 |
8 |
8 |
8 |
8 |
8 |
8 |
12 |
12 |
12 |