管法兰连接尺寸(摘自HG/T 20615—2009) |
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mm |
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公称尺寸 |
Class150(PN20) |
Class300(PN50) |
Class600(PN110) |
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DN |
NPS |
D |
K |
L |
Th |
n(个) |
D |
K |
L |
Th |
n(个) |
D |
K |
L |
Th |
n(个) |
15 |
½ |
90 |
60.3 |
16 |
M14 |
4 |
95 |
66.7 |
16 |
M14 |
4 |
95 |
66.7 |
16 |
M14 |
4 |
20 |
¾ |
100 |
69.9 |
16 |
M14 |
4 |
115 |
82.6 |
18 |
M16 |
4 |
115 |
82.6 |
18 |
M16 |
4 |
25 |
1 |
110 |
79.4 |
16 |
M14 |
4 |
125 |
88.9 |
18 |
M16 |
4 |
125 |
88.9 |
18 |
M16 |
4 |
32 |
1¼ |
115 |
88.9 |
16 |
M14 |
4 |
135 |
98.4 |
18 |
M16 |
4 |
135 |
98.4 |
18 |
M16 |
4 |
40 |
1½ |
125 |
98.4 |
16 |
M14 |
4 |
155 |
114.3 |
22 |
M20 |
4 |
155 |
114.3 |
22 |
M20 |
4 |
50 |
2 |
150 |
120.7 |
18 |
M16 |
4 |
165 |
127.0 |
18 |
M16 |
8 |
165 |
127.0 |
18 |
M16 |
8 |
65 |
2½ |
180 |
139.7 |
18 |
M16 |
4 |
190 |
149.2 |
22 |
M20 |
8 |
190 |
149.2 |
22 |
M20 |
8 |
80 |
3 |
190 |
152.4 |
18 |
M16 |
4 |
210 |
168.3 |
22 |
M20 |
8 |
210 |
168.3 |
22 |
M20 |
8 |
100 |
4 |
230 |
190.5 |
18 |
M16 |
8 |
255 |
200.0 |
22 |
M20 |
8 |
275 |
215.9 |
26 |
M24 |
8 |
125 |
5 |
255 |
215.9 |
18 |
M20 |
8 |
280 |
235.0 |
22 |
M20 |
8 |
330 |
266.7 |
30 |
M27 |
8 |
150 |
6 |
280 |
241.3 |
22 |
M20 |
8 |
320 |
269.9 |
22 |
M20 |
12 |
355 |
292.1 |
30 |
M27 |
12 |
200 |
8 |
345 |
298.5 |
22 |
M20 |
8 |
380 |
330.2 |
26 |
M24 |
12 |
420 |
349.2 |
33 |
M30 |
12 |
250 |
10 |
405 |
362.0 |
26 |
M24 |
12 |
445 |
387.4 |
30 |
M27 |
16 |
510 |
431.8 |
36 |
M33 |
16 |
300 |
12 |
485 |
431.8 |
26 |
M24 |
12 |
520 |
450.8 |
33 |
M30 |
16 |
560 |
489.0 |
36 |
M33 |
20 |
350 |
14 |
535 |
476.3 |
30 |
M27 |
12 |
585 |
514.4 |
33 |
M30 |
20 |
605 |
527.0 |
39 |
M36×3 |
20 |
400 |
16 |
595 |
539.8 |
30 |
M27 |
16 |
650 |
571.5 |
36 |
M33 |
20 |
685 |
603.2 |
42 |
M39×3 |
20 |
450 |
18 |
635 |
577.9 |
33 |
M30 |
16 |
710 |
628.6 |
36 |
M33 |
24 |
745 |
654.0 |
45 |
M42×3 |
20 |
500 |
20 |
700 |
635.0 |
33 |
M30 |
20 |
775 |
685.8 |
36 |
M33 |
24 |
815 |
723.9 |
45 |
M42×3 |
24 |
600 |
24 |
815 |
749.3 |
36 |
M33 |
20 |
915 |
812.8 |
42 |
M39×3 |
24 |
940 |
838.2 |
51 |
M48×3 |
24 |
公称尺寸 |
Class900(PN150) |
Class1500(PN260) |
Class2500(PN420) |
|||||||||||||
DN |
NPS |
D |
K |
L |
Th |
n(个) |
D |
K |
L |
Th |
n(个) |
D |
K |
L |
Th |
n(个) |
15 |
½ |
120 |
82.6 |
22 |
M20 |
4 |
120 |
82.6 |
22 |
M20 |
4 |
135 |
88.9 |
22 |
M20 |
4 |
20 |
¾ |
130 |
88.9 |
22 |
M20 |
4 |
130 |
88.9 |
22 |
M20 |
4 |
140 |
95.2 |
22 |
M20 |
4 |
25 |
1 |
150 |
101.6 |
26 |
M24 |
4 |
150 |
101.6 |
26 |
M24 |
4 |
160 |
108.0 |
26 |
M24 |
4 |
32 |
1¼ |
160 |
111.1 |
26 |
M24 |
4 |
160 |
111.1 |
26 |
M24 |
4 |
185 |
130.2 |
30 |
M27 |
4 |
40 |
1½ |
180 |
123.8 |
30 |
M27 |
4 |
180 |
123.8 |
30 |
M27 |
4 |
205 |
146.0 |
33 |
M30 |
4 |
50 |
2 |
215 |
165.1 |
26 |
M24 |
8 |
215 |
165.1 |
26 |
M24 |
8 |
235 |
171.4 |
30 |
M27 |
8 |
65 |
2½ |
245 |
190.5 |
30 |
M27 |
8 |
245 |
190.5 |
30 |
M27 |
8 |
265 |
196.8 |
33 |
M30 |
8 |
80 |
3 |
240 |
190.5 |
26 |
M24 |
8 |
265 |
203.2 |
33 |
M30 |
8 |
305 |
228.6 |
36 |
M33 |
8 |
100 |
4 |
290 |
235.0 |
33 |
M30 |
8 |
310 |
241.3 |
36 |
M33 |
8 |
355 |
273.0 |
42 |
M39×3 |
8 |
125 |
5 |
350 |
279.4 |
36 |
M33 |
8 |
375 |
292.1 |
42 |
M39×3 |
8 |
420 |
323.8 |
48 |
M45×3 |
8 |
150 |
6 |
380 |
317.5 |
33 |
M30 |
12 |
395 |
317.5 |
39 |
M36×3 |
12 |
485 |
368.3 |
55 |
M52×3 |
8 |
200 |
8 |
470 |
393.7 |
39 |
M36×3 |
12 |
485 |
393.7 |
45 |
M42×3 |
12 |
550 |
438.2 |
55 |
M52×3 |
12 |
250 |
10 |
545 |
469.9 |
39 |
M36×3 |
16 |
585 |
482.6 |
51 |
M48×3 |
12 |
675 |
539.8 |
68 |
M64×3 |
12 |
300 |
12 |
610 |
533.4 |
39 |
M36×3 |
20 |
675 |
571.5 |
55 |
M52×3 |
16 |
760 |
619.1 |
74 |
M70×3 |
12 |
350 |
14 |
640 |
558.8 |
42 |
M39×3 |
20 |
750 |
635.0 |
60 |
M56×3 |
16 |
— |
||||
400 |
16 |
705 |
616.0 |
45 |
M42×3 |
20 |
825 |
704.8 |
68 |
M64×3 |
16 |
|||||
450 |
18 |
785 |
685.8 |
51 |
M48×3 |
20 |
915 |
774.7 |
74 |
M70×3 |
16 |
|||||
500 |
20 |
855 |
749.3 |
55 |
M52×3 |
20 |
985 |
831.8 |
80 |
M76×3 |
16 |
|||||
600 |
24 |
1040 |
901.7 |
68 |
M64×3 |
20 |
1170 |
990.6 |
94 |
M90×3 |
16 |
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注:粗红线框内为不同压力等级,但具有相同连接尺寸的法兰。 |