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Manual butterfly valve

Miss Shao : +86-1862762655

TEL: +86-513-88400999 FAX: +86-513-88400998 E-mail: jszk@vip.163.com

 

Manual butterfly valve is widely used in building material, glass, mining, generating plant, light industry and papermaking etc. It is an important piece of equipment to start & stop from two directions and to adjust the volume of the media in pipelines. Adjust flow of the pipeline according to different work conditions to meet the request of pipeline working process. 
 
 Structure character
 
 Manual butterfly valve is welded by quality steel plate. The design is new and the structure is simple but practical. It is characterized by small size, light weight, small resistance, small torque of starting and closing, easy nimble and reliable adjusting, obvious, clear and accurate opening for watching and operating conveniently. It can control air volume effectively. It is an ideal equipment for all kinds of air pipelines.
 
 Technical parameter
 
Nominal pressure
Medium velocity
Leakage ratio
Suitable temperature
Suitable medium
0.05MPa
≤ 28 m/s
≤ 1.5 %
≤ 300 ℃
Air, gas with powder etc
 
Handle outline dimension                                          Worm wheel outline dimension
 
Outline connection dimension
DN
D
D1
B
b
n-d
E
E1
H
H1
100
160
135
80
4
4- Φ 10
140
180
150
200
120
180
155
80
4
4- Φ 10
145
190
150
200
125
185
160
80
4
4- Φ 10
148
193
150
200
130
190
165
80
4
8- Φ 10
150
195
150
200
140
200
175
80
4
8- Φ 10
155
205
150
200
150
210
185
80
4
8- Φ 10
160
210
150
200
160
220
195
80
4
8- Φ 10
165
215
200
200
180
240
215
80
4
8- Φ 10
175
225
200
200
200
260
235
80
4
8- Φ 10
185
235
200
200
220
280
255
80
4
8- Φ 10
210
347
200
200
250
310
285
100
6
12- Φ 10
225
365
350
200
280
340
315
100
6
12- Φ 10
240
380
350
200
320
380
355
100
6
12- Φ 10
260
400
350
200
360
440
405
120
8
16- Φ 12
280
420
350
200
390
470
435
120
8
16- Φ 12
295
435
350
200
400
480
445
120
8
16- Φ 12
300
440
450
250
450
530
495
120
8
16- Φ 12
325
465
450
250
500
580
545
120
8
20- Φ 12
350
490
450
250
560
640
605
120
8
20- Φ 12
380
520
450
250
600
680
645
120
8
20- Φ 12
420
540
600
250
630
710
675
120
8
20- Φ 12
435
555
600
250
700
780
745
140
8
20- Φ 12
470
612
600
250
800
880
845
140
8
24- Φ 12
520
665
600
250
900
980
945
140
8
24- Φ 12
570
715
600
250
1000
1100
1055
160
10
28- Φ 14
620
845
600
250
1120
1220
1175
160
10
28- Φ 14
680
905
600
250
1200
1300
1255
160
10
28- Φ 14
720
945
600
250

 

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Fax:+86-513-88400998 Tel:+86-513-88400999 E-mail:jszk@vip.163.com
Add:Si Jin Industrial Park in Baidian couty, Nantong city, Jiangsu Province,China
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