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手動通風蝶閥，普遍適用于建材、玻璃、礦山、電力、輕工、造紙等行業的通風、環保工程等管道系統中。
This valve is widely used in the pipe system such as venting and environment protection in building material, glass, mining, power, light industry and papermaking departments.
結構特點：
Structure characteristic:
手動通風蝶閥，采用優質碳素鋼焊接。具有結構合理、耐磨損、流阻損失小、操作靈活、指示方位明確、維護方便、使用壽命長等優點?？伤桨惭b或垂直安裝。配用蝸輪傳動裝置,開關輕松自如,任意調節閥門開度,是調節流量的理想設備。
The valve is welded in fine carbon steel, having the features of compact structure, endurance, little in the lost of flow resistance, definite direction, easy to maintenance and long life. It can be installed in horizontal or vertical. The valve is used with worm gearing device to form a complete set to realize switching freely and adjusting open angle of valve arbitrarily. It is the ideal equipment of adjusting flow.
性能參數：
Performance parameter:
|
公稱壓力 Nominal pressure |
介質流速 Medium velocity |
泄漏率 Leakage ratio |
適用溫度 Suitable temperature |
適用介質 Suitable medium |
|
0.05MPa |
≤25m/s |
≤1% |
≤300℃ |
空氣、煙氣、粉塵氣體等 Air, smoke, gas with powder etc |
D341W---0.5C外形連接尺寸：
Appearance joint dimensions:
|
DN |
D |
D1 |
B |
b |
n-d |
E |
L |
|
100 |
180 |
145 |
180 |
8 |
4-Φ12 |
635 |
180 |
|
150 |
230 |
195 |
180 |
8 |
8-Φ12 |
685 |
180 |
|
200 |
280 |
245 |
180 |
8 |
8-Φ12 |
745 |
180 |
|
250 |
350 |
305 |
180 |
8 |
12-Φ12 |
795 |
180 |
|
300 |
400 |
355 |
180 |
8 |
12-Φ12 |
865 |
180 |
|
350 |
450 |
405 |
180 |
8 |
12-Φ12 |
915 |
180 |
|
400 |
500 |
455 |
200 |
10 |
16-Φ14 |
1015 |
180 |
|
450 |
550 |
505 |
200 |
10 |
16-Φ14 |
1065 |
180 |
|
500 |
600 |
555 |
200 |
10 |
20-Φ14 |
1115 |
180 |
|
600 |
700 |
655 |
200 |
10 |
20-Φ14 |
1225 |
180 |
|
700 |
800 |
755 |
220 |
10 |
20-Φ14 |
1425 |
250 |
|
800 |
900 |
855 |
220 |
10 |
24-Φ14 |
1530 |
250 |
|
900 |
1000 |
955 |
220 |
10 |
24-Φ14 |
1635 |
250 |
|
1000 |
1130 |
1070 |
260 |
12 |
28-Φ18 |
1675 |
250 |
|
1100 |
1230 |
1170 |
260 |
12 |
28-Φ18 |
1775 |
250 |
|
1200 |
1330 |
1270 |
260 |
12 |
28-Φ18 |
1875 |
250 |
|
1300 |
1430 |
1370 |
300 |
12 |
32-Φ18 |
1975 |
250 |
|
1400 |
1530 |
1470 |
300 |
12 |
36-Φ18 |
2025 |
250 |
|
1500 |
1630 |
1570 |
300 |
12 |
36-Φ18 |
2195 |
250 |
|
1600 |
1730 |
1670 |
300 |
12 |
40-Φ18 |
2295 |
250 |
|
1700 |
1830 |
1770 |
340 |
16 |
40-Φ18 |
2705 |
300 |
|
1800 |
1930 |
1870 |
340 |
16 |
44-Φ18 |
2805 |
300 |
|
1900 |
2030 |
1970 |
340 |
16 |
44-Φ18 |
2905 |
300 |
|
2000 |
2130 |
2070 |
340 |
16 |
48-Φ22 |
3005 |
300 |
|
2100 |
2230 |
2170 |
340 |
16 |
48-Φ22 |
3105 |
300 |
|
2200 |
2330 |
2270 |
340 |
16 |
48-Φ22 |
3205 |
300 |
|
2300 |
2430 |
2370 |
380 |
16 |
48-Φ22 |
3520 |
350 |
|
2400 |
2530 |
2470 |
380 |
16 |
48-Φ22 |
3620 |
350 |
|
2500 |
2630 |
2570 |
380 |
16 |
52-Φ22 |
3720 |
350 |
|
2600 |
2730 |
2670 |
380 |
16 |
52-Φ22 |
3820 |
350 |
|
2700 |
2830 |
2770 |
420 |
20 |
56-Φ22 |
4010 |
400 |
|
2800 |
2930 |
2870 |
420 |
20 |
60-Φ22 |
4110 |
400 |
|
2900 |
3030 |
2970 |
420 |
20 |
60-Φ22 |
4210 |
400 |
|
3000 |
3130 |
3070 |
420 |
20 |
60-Φ22 |
4310 |
400 |
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