Pneumatic butterfly valve is usually used for ventilation in building material, glass, mine, electricity, light industry, paper-making and is used to start and close quickly, adjust and cut off the volume in the pipeline in the program of invironment protection.
Structure features：
Pneumatic butterfly valve is welded by quality carbon steel. It is characterized by new design, light weight, tight structure and small resistance, nimble operation,exact indication direction, convenient maintenance and long life etc. It can be installed in horizontal or in vertical. Using pneumatic handspike, it can be operated in remote distance or be controlled at site through assemblies.
Capacity parameter：
|
Nominal pressure
|
Media speed
|
Leakage rate
|
Suitable temperature
|
Suitable media
|
|
0.05MPa
|
≤ 25 m/s
|
≤ 1%
|
≤ 300 ℃
|
air ,fume, dust gas etc.
|
Outline figure (Horizontal installation): Outline figure (vertical installation):
Outline connection dimension ：
|
DN
|
D
|
D1
|
B
|
b
|
n-d
|
E
|
E1
|
H
|
|
100
|
180
|
145
|
180
|
8
|
4- Φ 12
|
380
|
265
|
400
|
|
150
|
230
|
195
|
180
|
8
|
8- Φ 12
|
430
|
290
|
400
|
|
200
|
280
|
245
|
180
|
8
|
8- Φ 12
|
480
|
315
|
400
|
|
250
|
350
|
305
|
180
|
8
|
12- Φ 12
|
550
|
350
|
400
|
|
300
|
400
|
355
|
180
|
8
|
12- Φ 12
|
600
|
375
|
400
|
|
350
|
450
|
405
|
180
|
8
|
12- Φ 12
|
650
|
400
|
400
|
|
400
|
500
|
455
|
200
|
10
|
16- Φ 14
|
750
|
475
|
450
|
|
450
|
550
|
505
|
200
|
10
|
16- Φ 14
|
800
|
500
|
450
|
|
500
|
600
|
555
|
200
|
10
|
20- Φ 14
|
850
|
525
|
450
|
|
600
|
700
|
655
|
200
|
10
|
20- Φ 14
|
950
|
575
|
450
|
|
700
|
800
|
755
|
220
|
10
|
20- Φ 14
|
1055
|
630
|
500
|
|
800
|
900
|
855
|
220
|
10
|
24- Φ 14
|
1185
|
695
|
500
|
|
900
|
1000
|
955
|
220
|
10
|
24- Φ 14
|
1285
|
745
|
500
|
|
1000
|
1130
|
1070
|
260
|
12
|
28- Φ 18
|
1385
|
790
|
600
|
|
1100
|
1230
|
1170
|
260
|
12
|
28- Φ 18
|
1485
|
840
|
600
|
|
1200
|
1330
|
1270
|
260
|
12
|
28- Φ 18
|
1585
|
890
|
600
|
|
1300
|
1430
|
1370
|
300
|
12
|
32- Φ 18
|
1685
|
940
|
650
|
|
1400
|
1530
|
1470
|
300
|
12
|
36- Φ 18
|
1785
|
990
|
650
|
|
1500
|
1630
|
1570
|
300
|
12
|
36- Φ 18
|
1885
|
1040
|
650
|
|
1600
|
1730
|
1670
|
300
|
12
|
40- Φ 18
|
1985
|
1090
|
650
|
|
1700
|
1830
|
1770
|
340
|
16
|
40- Φ 18
|
2140
|
1195
|
700
|
|
1800
|
1930
|
1870
|
340
|
16
|
44- Φ 18
|
2240
|
1245
|
700
|
|
1900
|
2030
|
1970
|
340
|
16
|
44- Φ 18
|
2340
|
1295
|
700
|
|
2000
|
2130
|
2070
|
340
|
16
|
48- Φ 22
|
2440
|
1345
|
700
|
|
2100
|
2230
|
2170
|
340
|
16
|
48- Φ 22
|
2540
|
1395
|
700
|
|
2200
|
2330
|
2270
|
340
|
16
|
48- Φ 22
|
2640
|
1445
|
700
|
|
2300
|
2430
|
2370
|
380
|
16
|
48- Φ 22
|
2805
|
1555
|
750
|
|
2400
|
2530
|
2470
|
380
|
16
|
48- Φ 22
|
2905
|
1605
|
750
|
|
2500
|
2630
|
2570
|
380
|
16
|
52- Φ 22
|
3005
|
1655
|
750
|
|
2600
|
2730
|
2670
|
380
|
16
|
52- Φ 22
|
3105
|
1705
|
750
|
|
2700
|
2830
|
2770
|
420
|
20
|
56- Φ 22
|
3225
|
1775
|
800
|
|
2800
|
2930
|
2870
|
420
|
20
|
60- Φ 22
|
3325
|
1825
|
800
|
|
2900
|
3030
|
2970
|
420
|
20
|
60- Φ 22
|
3425
|
1875
|
800
|
|
3000
|
3130
|
3070
|
420
|
20
|
60- Φ 22
|
3525
|
1925
|
800
|