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公制管材规格尺寸及其偏差
|
| 公称外径DN |
外径偏差 |
0.25MPa |
0.4MPa |
0.6MPa |
0.8MPa |
1.0MPa |
1.6MPa |
2.5MPa |
| S+偏差 |
S+偏差 |
S+偏差 |
S+偏差 |
S+偏差 |
S+偏差 |
S+偏差 |
| 16 |
0.3 |
- |
- |
- |
- |
3.0+0.5 |
3.0+0.5 |
3.0+0.5 |
| 20 |
0.3 |
- |
- |
- |
3.0+0.5 |
3.0+0.5 |
3.0+0.5 |
3.4+0.6 |
| 25 |
0.3 |
- |
- |
3.0+0.5 |
3.0+0.5 |
3.0+0.5 |
3.5+0.6 |
4.2+0.7 |
| 32 |
0.3 |
- |
- |
3.5+0.5 |
3.5+0.5 |
3.5+0.7 |
4.4+0.7 |
5.4+0.8 |
| 40 |
0.4 |
- |
1.8+0.3 |
3.5+0.5 |
4.0+0.5 |
4.5+0.7 |
5.5+0.8 |
6.7+0.9 |
| 50 |
0.5 |
1.8+0.4 |
2.0+0.4 |
3.5+0.5 |
4.5+0.5 |
5.5+0.8 |
6.9+0.9 |
8.3+1.1 |
| 63 |
0.6 |
1.8+0.4 |
2.3+0.5 |
3.5+0.5 |
4.8+0.6 |
6+0.8 |
8.6+1.1 |
10.5+1.3 |
| 75 |
0.7 |
1.9+0.4 |
2.7+0.5 |
3.9+0.6 |
5.1+0.8 |
6.2+0.9 |
10.3+1.3 |
12.5+1.5 |
| 90 |
0.9 |
2.2+0.5 |
3.2+0.6 |
4.7+0.7 |
6.1+0.9 |
7.5+1.0 |
12.3+1.5 |
15.0+1.7 |
| 110 |
1 |
2.7+0.5 |
3.9+0.6 |
5.7+0.8 |
7.5+1.0 |
9.1+1.2 |
15.1+1.8 |
18.3+2.1 |
| 125 |
1.2 |
3.1+0.6 |
4.4+0.7 |
6.5+0.9 |
8.5+1.1 |
10.4+1.3 |
17.1+2.0 |
20.8+2.3 |
| 140 |
1.3 |
3.5+0.6 |
5.0+0.7 |
7.2+1.0 |
9.5+1.2 |
11.6+1.4 |
19.2+2.2 |
23.3+2.6 |
| 160 |
1.5 |
4.0+0.6 |
5.7+0.8 |
8.3+1.1 |
10.8+1.3 |
13.3+1.6 |
21.9+2.4 |
26.6+2.9 |
| 180 |
1.7 |
4.4+0.7 |
64+0.9 |
9.3+1.2 |
12.2+1.4 |
14.9+1.7 |
24.6+2.7 |
29.9+3.2 |
| 200 |
1.8 |
4.9+0.7 |
7.1+1.0 |
10.3+1.3 |
13.6+1.6 |
16.6+1.9 |
27.3+3.0 |
- |
| 225 |
2.1 |
5.5+0.8 |
7.9+1.0 |
11.6+1.4 |
15.2+1.7 |
18.7+2.1 |
- |
- |
| 250 |
2.3 |
6.2+0.9 |
8.8+1.1 |
12.9+1.5 |
17.0+1.9 |
20.7+2.3 |
- |
- |
| 280 |
2.6 |
6.9+0.9 |
9.9+1.2 |
14.4+1.7 |
18.9+2.1 |
23.2+2.6 |
- |
- |
| 315 |
2.9 |
7.7+1.0 |
11.1+1.3 |
16.2+1.9 |
21.2+2.4 |
26.1+2.9 |
- |
- |
| 355 |
3.2 |
8.7+1.1 |
12.5+1.5 |
18.3+2.1 |
23.9+2.4 |
29.4+3.2 |
- |
- |
| 400 |
3.6 |
9.8+1.7 |
14.1+1.7 |
20.6+2.3 |
26.9+3.0 |
33.2+3.6 |
- |
- |
| 450 |
4.1 |
11.0+1.9 |
15.8+2.6 |
23.3+3.7 |
30.5+4.8 |
- |
- |
- |
| 500 |
4.5 |
12.3+2.1 |
17.6+2.9 |
25.7+4.1 |
33.9+5.3 |
- |
- |
- |
| 560 |
5.1 |
13.7+2.3 |
19.7+3.2 |
28.7+4.5 |
- |
- |
- |
- |
| 630 |
5.7 |
15.4+2.6 |
22.1+3.4 |
32.7+5.0 |
- |
- |
- |
- |
| 710 |
6.6 |
17.2+2.9 |
25.0+4.0 |
35.5+5.5 |
- |
- |
- |
- |
| 800 |
7.5 |
19.3+3.4 |
28.2+4.5 |
- |
- |
- |
- |
- |
| 900 |
8.5 |
21.8+3.9 |
31.7+4.9 |
- |
- |
- |
- |
- |
| 1000 |
9.5 |
24.5+4.3 |
34.4+5.3 |
- |
- |
- |
- |
- |
聚 丙 烯 管
| 公称外径(英制) |
0.6MPa |
1.0MPa |
| D1 |
英寸 |
外径公差 |
壁厚 |
公差 |
壁厚 |
公差 |
| 21 |
1/2 |
±0.3 |
2.5 |
±0.5 |
3 |
±0.5 |
| 27 |
3/4 |
±0.3 |
3 |
±0.5 |
3.5 |
±0.5 |
| 34 |
1 |
±0.3 |
3.5 |
±0.6 |
4 |
±0.6 |
| 48 |
11/2 |
±0.4 |
3.5 |
±0.6 |
5 |
±0.6 |
| 60 |
2 |
±0.5 |
4 |
±0.6 |
6 |
±0.8 |
对焊式弯头、 三通
| 公称外径
DN |
壁厚 |
900弯头 |
450弯头 |
三通 |
| 1.0MPa |
直管长H1 |
中心至端面Z1最小 |
直管长H2 |
中心至端面Z2最小 |
中心至端面Z3最小 |
| 34 |
4.5 |
6 |
88 |
15 |
37 |
85 |
| 40 |
4.5 |
6 |
95 |
15 |
39 |
87.5 |
| 48 |
5.5 |
6 |
116 |
15 |
42 |
105 |
| 60 |
6 |
6 |
125 |
19 |
45 |
117.5 |
| 75 |
7.2 |
6 |
129.5 |
19 |
49 |
132.5 |
| 90 |
8.6 |
6 |
137 |
22 |
57 |
147.5 |
| 110 |
10.5 |
8 |
147 |
28 |
70 |
157.5 |
| 125 |
11.9 |
8 |
152.5 |
32 |
79 |
165.5 |
| 140 |
13.3 |
8 |
176 |
35 |
88 |
172.5 |
| 160 |
15.2 |
8 |
195 |
40 |
95 |
195 |
| 180 |
17.2 |
8 |
200 |
45 |
100 |
210 |
| 200 |
19 |
8 |
204 |
50 |
110 |
215 |
| 225 |
21.4 |
10 |
212.5 |
55 |
140 |
220 |
| 250 |
23.8 |
10 |
256 |
60 |
156 |
235 |
| 180 |
26.7 |
10 |
270 |
70 |
175 |
250 |
| 315 |
30 |
10 |
297.5 |
80 |
198 |
275 |
| 355 |
33.8 |
10 |
360 |
80 |
221 |
300 |
| 400 |
38 |
12 |
405 |
90 |
249 |
325 |
| 450 |
40 |
12 |
455 |
100 |
280 |
350 |
| 500 |
40 |
12 |
505 |
100 |
311 |
400 |
| 可根据用户要求生产异径三通、斜三通 |
|
法兰式弯头、三通
| 管件外径DN |
法蓝外径D0 |
法蓝厚度C |
壁厚S |
900弯头中心至端面 |
450弯头中心至端面 |
三通的端面至中心 |
| 34 |
115 |
16 |
3.3 |
80 |
65 |
90 |
| 40 |
135 |
18 |
4.2 |
100 |
65 |
100 |
| 48 |
145 |
18 |
5 |
115 |
75 |
110 |
| 60 |
165 |
20 |
6 |
120 |
75 |
120 |
| 75 |
185 |
22 |
7.2 |
125 |
81 |
130 |
| 90 |
200 |
24 |
8.6 |
140 |
81 |
145 |
| 110 |
215 |
24 |
10.5 |
150 |
102 |
160 |
| 125 |
220 |
24 |
11.9 |
160 |
102 |
160 |
| 140 |
250 |
26 |
13.3 |
170 |
116 |
175 |
| 160 |
285 |
28 |
15.2 |
190 |
130 |
195 |
| 180 |
285 |
28 |
17.2 |
200 |
130 |
195 |
| 200 |
340 |
34 |
19 |
210 |
145 |
195 |
| 225 |
340 |
34 |
21.4 |
220 |
145 |
225 |
| 250 |
395 |
38 |
23.8 |
240 |
173 |
225 |
| 280 |
395 |
38 |
26.7 |
260 |
173 |
265 |
| 315 |
445 |
42 |
30 |
300 |
200 |
300 |
| 355 |
505 |
46 |
33.8 |
350 |
205 |
340 |
| 400 |
565 |
50 |
38.1 |
400 |
216 |
380 |
| 150 |
615 |
50 |
40 |
450 |
226 |
420 |
| 500 |
670 |
52 |
42 |
466 |
250 |
466 |
| 可根据用户要求承制异径三通、斜三通 |
平面法兰
突面带颈法兰
| 公称直径DN |
接管外径D1 |
法兰外径D0 |
螺栓孔中心圆直径K |
螺栓孔直径D0 |
螺栓 |
法兰厚度C |
法兰高度H |
密封面 |
| d |
| 25 |
32 |
120 |
85 |
14 |
4*M12 |
16 |
60 |
68 |
| 32 |
40 |
140 |
100 |
18 |
4-M16 |
18 |
60 |
78 |
| 40 |
48 |
150 |
110 |
18 |
4-M16 |
18 |
60 |
88 |
| 50 |
60 |
165 |
125 |
18 |
4-M16 |
20 |
60 |
102 |
| 65 |
75 |
185 |
145 |
18 |
4-M16 |
22 |
80 |
122 |
| 80 |
90 |
200 |
160 |
18 |
8-M16 |
24 |
80 |
138 |
| 100 |
110 |
220 |
180 |
18 |
8-M16 |
24 |
80 |
158 |
| 100 |
125 |
220 |
180 |
18 |
8-M16 |
24 |
80 |
158 |
| 125 |
140 |
250 |
210 |
18 |
8-M16 |
26 |
80 |
188 |
| 150 |
160 |
285 |
240 |
22 |
8-M20 |
28 |
80 |
212 |
| 150 |
180 |
285 |
240 |
22 |
8-M20 |
28 |
80 |
212 |
| 180 |
200 |
340 |
295 |
22 |
8-M20 |
34 |
100 |
268 |
| 200 |
225 |
340 |
295 |
22 |
8-M20 |
34 |
100 |
268 |
| 225 |
250 |
395 |
350 |
22 |
12-M20 |
38 |
100 |
320 |
| 250 |
280 |
395 |
350 |
22 |
12-M20 |
38 |
100 |
320 |
| 300 |
315 |
445 |
400 |
22 |
12-M20 |
42 |
100 |
370 |
| 350 |
355 |
505 |
460 |
22 |
16-M20 |
46 |
120 |
430 |
| 400 |
400 |
565 |
515 |
26 |
16-M24 |
50 |
120 |
482 |
| 450 |
450 |
615 |
565 |
26 |
20-M24 |
50 |
120 |
530 |
| 500 |
500 |
670 |
620 |
26 |
20-M24 |
52 |
120 |
585 |
| 注:1.材料为增强聚丙烯 2.公称压力为1.0MPa |
垫 环 (凸 缘)
| (单位: mm ) |
| 公称外径Dg |
接管外径D1 |
接管内径D2 |
D3 |
凸缘直径D
4
|
凸缘厚度H1 |
H2 |
R |
总长h最小 |
| 32 |
32 |
26.6 |
49 |
70 |
14 |
16 |
3 |
60 |
| 40 |
40 |
33.2 |
59 |
80 |
14 |
16 |
3 |
60 |
| 50 |
50 |
41.6 |
70 |
90 |
14 |
18 |
3 |
60 |
| 63 |
63 |
52.6 |
83 |
105 |
16 |
18 |
3 |
80 |
| 75 |
75 |
62.6 |
89 |
122 |
16 |
21 |
3 |
80 |
| 90 |
90 |
75 |
105 |
138 |
17 |
20 |
4 |
80 |
| 100 |
100 |
91.8 |
125 |
158 |
18 |
25 |
4 |
85 |
| 125 |
125 |
104.2 |
132 |
158 |
25 |
20 |
4 |
85 |
| 140 |
140 |
116.8 |
155 |
188 |
25 |
28 |
4 |
100 |
| 160 |
160 |
133.4 |
175 |
212 |
25 |
28 |
4 |
100 |
| 180 |
180 |
150.2 |
192 |
212 |
30 |
30 |
4 |
100 |
| 200 |
200 |
166.8 |
232 |
268 |
32 |
40 |
4 |
120 |
| 225 |
225 |
187.6 |
235 |
268 |
32 |
30 |
4 |
120 |
| 250 |
250 |
208.6 |
285 |
320 |
35 |
40 |
4 |
120 |
| 280 |
280 |
233.6 |
291 |
320 |
35 |
30 |
4 |
120 |
| 315 |
315 |
262.8 |
335 |
370 |
35 |
40 |
4 |
120 |
| 355 |
355 |
296.2 |
373 |
430 |
40 |
40 |
6 |
150 |
| 400 |
400 |
333.6 |
428 |
482 |
46 |
45 |
6 |
150 |
| 450 |
450 |
- |
514 |
530 |
60 |
60 |
6 |
180 |
| | |