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The D941W electric ventilation butterfly
Uses and Features
This butterfly valve with the valve body the same material processed into the ring, using electric or pneumatic drive. Its application temperature of the body selection, nominal pressure ≤ 0.6MPa, are generally applicable to the industry, metallurgy, environmental protection and other pipe for ventilation to regulate the use of media flows. The main features are as follows:
1, the novel design, reasonable, unique structure, light weight, open and close quickly.
2, the operating torque is small, easy to operate, saving smart.
3, used to adapt materials to meet the low, medium, high medium temperature and corrosive media.
 
Standard
Design standards: GB/T12238-1989 JB/T8692-1998
Flange connection dimension: GB/T9115.1-2000
Length of the structure h: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999
Detail;
D, 41W-
6
 0.5 CPRV series electric, pneumatic flange ventilation butterfly
2.5
6

The main technical parameters;
Nominal diameter DN (mm) 50 ~ 2000
Nominal pressure PN (Mpa) 0.05 0.25 0.6
Test pressure strength test 0.075 0.375 0.9
Seal test leakage ≤ 1.5%
Applicable to medium gas, dust, gas, flue gas.
Applicable temperature ≤ 300 ° C

Material of main parts;
Part Name Material
Cast steel body, stainless steel, chromium, nickel, molybdenum and titanium steel, chromium, molybdenum and titanium, steel and other special materials
Butterfly, cast steel, stainless steel, chrome-nickel, molybdenum and titanium steel, chromium, molybdenum and titanium steel and other special materials
Ring with the same body
Stem carbon steel, 2Cr13, stainless steel, chromium, nickel, molybdenum and titanium steel
Fill fluorine plastic, flexible graphit
D941W-0.5 C.P.R.V series ventilation butterfly connection size
2.5
6

公称通径
DN(mm)
50~2000
公称压力
PN(Mpa)
0.05
0.25
0.6
试验压力
强度试验
0.075
0.375
0.9
密封试验
≤1.5%泄漏量
适用介质
适用温度
主要零件的材质;
零件名称
材料
阀体
铸钢、不锈钢、铬镍钼钛钢、铬钼钛钢等特殊材料
蝶板
铸钢、不锈钢、铬镍钼钛钢、铬钼钛钢等特殊材料
密封圈
与阀体相同
阀杆
碳钢、2Cr13、不锈钢、铬镍钼钛钢
填料
氟塑料、柔性石墨
 
 
D941W-
0.5
C.P.R.V系列通风蝶阀连接尺寸
2.5
6
 
公称通径
结构长度(标准值)
外形尺寸(参考值)
连接尺寸(标准值)
参考值(kg)
0.05MPa和0.25MPa
0.6MPa
毫米
英寸
L
H
H0
A
B
D
D1
n-d
D
D1
n-d
50
2
108
70
418
250
225
140
110
4-14
140
110
4-14
42
65
21/2
112
80
438
250
225
160
130
4-14
160
130
4-14
53
80
3
114
95
466
250
225
190
150
4-18
190
150
4-18
62
100
4
127
105
486
250
225
210
170
4-18
210
170
4-18
81
125
5
140
120
516
325
245
240
200
8-18
240
200
8-18
90
150
6
140
132
541
325
245
265
225
8-18
265
225
8-18
100
200
8
152
160
779
325
245
320
280
8-18
320
280
8-18
110
250
10
165
187
836
363
313
375
335
12-18
375
335
12-18
145
300
12
178
220
901
363
313
440
395
12-22
440
395
12-22
160
350
14
190
245
954
363
313
490
445
12-22
490
445
12-22
215
400
16
216
270
1003
363
313
540
495
16-22
540
495
16-22
230
450
18
222
297
1058
465
439
595
550
16-22
595
550
16-22
250
500
20
229
322
1111
546
556
645
600
20-22
645
600
20-22
260
600
24
267
377
1233
546
556
755
705
20-26
755
705
20-26
370
700
28
292
430
1338
546
556
860
810
24-26
860
810
24-26
400
800
32
318
487
1452
546
556
975
920
24-30
975
920
24-30
560
900
36
330
537
1588
632
706
1075
1020
24-30
1075
1020
24-30
800
1000
40
410
587
1689
632
706
1175
1120
28-30
1175
1120
28-30
660
1200
48
470
702
1938
632
706
1375
1320
32-30
1405
1340
32-33
950
1400
56
530
782
2670
790
1338
1575
1520
36-30
1630
1560
36-36
1280
1600
64
600
895
2810
868
1476
1790
1730
40-30
1830
1760
40-36
1510
1800
72
670
995
3020
868
1476
1990
1930
44-30
2045
1970
44-39
2500
2000
80
760
1095
3220
965
1600
2190
2130
48-30
2265
2180
48-42
2900

 

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The D641W pneumatic ventilation butterfly
Use and features
This butterfly valve with the valve body the same material processed into the ring, using electric or pneumatic drive. Its application temperature of the body selection, nominal pressure ≤ 0.6MPa, are generally applicable to the industry, metallurgy, environmental protection and other pipe for ventilation to regulate the use of media flows. The main features are as follows:
1, the novel design, reasonable, unique structure, light weight, open and close quickly.
2, the operating torque is small, easy to operate, saving smart.
3, used to adapt materials to meet the low, medium, high medium temperature and corrosive media.
use of standard
Design standards: GB/T12238-1989 JB/T8692-1998
Flange connection dimension: GB/T9115.1-2000
Length of the structure h: GB/T12221-1989
Pressure test: GB/T13927-1992; JB/T9092-1999
The main technical parameters
 
Nominal diameter DN (mm) 50 ~ 2000
Nominal pressure PN (MPa) 0.05 0.25 0.6
Test pressure strength test 0.075 0.375 0.9
Seal test leakage ≤ 1.5%
Applicable to medium gas, dust, gas, flue gas.
Applicable temperature ≤ 300 ° C

The main parts of the material
Part Name Material
Cast steel body, stainless steel, chromium, nickel, molybdenum and titanium steel, chromium, molybdenum and titanium, steel and other special materials
Butterfly, cast steel, stainless steel, chrome-nickel, molybdenum and titanium steel, chromium, molybdenum and titanium steel and other special materials
Ring with the same body
Stem carbon steel, 2Cr13, stainless steel, chromium, nickel, molybdenum and titanium steel
Fill fluorine plastic, flexible graphite 
  
 

· D641W-0.5 CPRV series ventilation butterfly connection size
2.5
6
 
Nominal diameter the length of the structure
(Standard value) Dimensions
(Reference value) connection size
(Standard value) reference value

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D341W ventilation butterfly
I. Uses and characteristics:
This butterfly valve with the valve body the same material processed into the ring, using electric or pneumatic drive. Its application temperature with body selection, depending on the nominal pressure ~ <0.6MPa, generally applicable to the industry, metallurgy, environmental protection and other pipe for ventilation to regulate the use of media flows. The main features are as follows:
1, the novel design, reasonable, unique structure, light weight, open and close quickly.
2, the operating torque is small, easy to operate, saving smart.
3, used to adapt materials to meet the low, medium, high medium temperature and corrosive media.
Second, using the criteria:
Design standards: GB/T12238-1 989 JB/T8692-1998
Flange connection dimension: GB/T9115.1-2000
Structure length: GB/T1222.1989
Pressure test: GB/T13927-1992; JB/T9092-1999

Third, the main technical parameters:
Nominal diameter DN (mm) 50-2000
Nominal pressure PN (MPa) 0.05 0.25 0.6
Strength test of the test pressure Ps (MPa) 0.075 0.375 0.9
Seal test leakage ≤ 1.5%
Applicable to medium gas, dust, gas, flue gas.
Suitable temperature gas transmission, electric drive.

Four main parts of the material:
Part Name Material
Cast steel body, stainless steel, chromium, nickel, molybdenum and titanium steel, chromium, molybdenum and titanium, steel and other special materials
Butterfly, cast steel, stainless steel, chrome-nickel, molybdenum and titanium steel, chromium, molybdenum and titanium steel and other special materials
Ring with the same body
Stem carbon steel, 2Crl3, stainless steel, chromium, nickel, molybdenum and titanium steel
Fill fluorine plastic, flexible graphite

D41/341/641/941W-0.5/2.5/6 C. P. R. V-Series connection size
公称通径
结构长度
(标准值)
外形尺寸
(参考值)
连接尺寸 (标准值)
参考重量
(kg)
0.05MPa、0.25MPa
O.6MPa
mm
inch
L
H
H1
D
D1
D2
Z-d
D
D1
D2
Z-d
100
4
120
105
219
210
170
144
4-18
210
170
144
4-18
20
125
5
120
120
234
240
200
174
8-18
240
200
174
8-18
25
150
6
120
132
247
265
225
199
8-18
265
225
199
8-18
29
200
8
140
160
403
320
280
254
8-18
320
280
254
8-18
47
250
10
140
187
433
375
335
309
12-18
375
335
309
12-18
67
300
12
170
220
465
440
395
363
12-22
440
395
363
12-22
78
350
14
170
245
539
490
445
413
12-22
490
445
413
12-22
96
400
16
190
270
543
540
495
463
16-22
540
495
463
16-22
130
450
18
190
297
571
595
550
518
16-22
595
550
518
16-22
142
500
20
190
322
644
645
600
568
20-22
645
600
568
20-22
191
600
24
210
377
701
755
705
667
20-26
755
705
667
20-26
230
700
28
210
430
753
860
810
772
24-26
860
810
772
24-26
250
800
32
210
487
807
975
920
878
24-30
975
920
878
24-30
320
900
36
250
537
973
1075
1020
978
24-30
1075
1020
978
24-30
410
1000
40
250
587
1023
1175
1120
1078
28-30
1175
1120
1078
28-30
510
1200
48
250
687
1153
1375
1320
1280
32-30
1405
1340
1295
32-33
720
1400
56
300
760
1810
1575
1520
1480
36-30
1630
1560
1510
36-36
1270
1600
64
300
895
1815
1790
1730
1690
40-30
1830
1760
1710
40-36
1730
1800
72
300
995
1920
1990
1930
1890
44-30
2045
1970
1918
44-39
2750
2000
80
300
1095
2025
2190
2130
2090
48-30
2265
2180
2125
48-42
3050

 

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The D41W manual ventilation butterfly
Features: Non-sealed type of D41W manual ventilation butterfly. The valve can be used as two-way opening and closing of the ventilation and dust removal pipe and the adjustment device, suitable for metallurgy, mining, cement, chemical, power generation waiting for industry, ventilation and dust removal and environmental protection systems among Features: This valve is of steel welding, short length, light weight, simple structure, easy maintenance, the electric field operation and remote control. This valve is a non-sealing valve.
TD41W-0.6/6C non-sealed D41W manual ventilation butterfly The main dimensions and weight:
公称通径(DN)
主要外形尺寸/(mm)
重量(kg)
L
D
D1
D2
H
b
c
n-d
H0
100
120
210
170
144
166
18
2
4-18
200
10
125
120
240
200
174
177
18
2
8-18
200
12
150
120
265
225
200
190
20
2
8-18
200
14
200
140
320
280
254
240
22
2
8-18
250
29
250
160
375
335
310
264
24
2
12-18
250
31
300
180
440
395
363
290
24
2
12-22
250
34
350
180
490
445
413
352
24
2
12-22
350
55
400
180
540
495
463
377
24
2
16-22
350
62
450
180
595
550
518
402
24
2
16-22
350
75
500
180
645
600
568
427
26
2
20-22
350
83
600
180
755
705
667
477
30
2
20-26
350
106
 
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Rectangular ventilation butterfly
This butterfly valve with low mechanical wear, good circulation features, widely used in metallurgical, chemical, petroleum, electricity, food, medicine, water supply and drainage
Pipeline gas transportation and other media, adjust the flow, truncated or connected to the fluid device. Choice of different materials, can be separately applied
Water, sewage, water, air, steam, gas, flammable gas, corrosive media, oil and food media. It can be electric, electronic
Supporting the use of type and pneumatic actuator

Use
Manual rectangular butterfly valves are widely used in building materials, metallurgy, mining, and electric power industries, and used to adjust the pipeline medium flow.
The main technical parameters
公称压力PN(MPa)
0.01MPa
适用温度
≤350℃
适用介质
粉尘、含尘气体
泄漏量
≤3%
主要零部件材料
名称
材料
阀体
碳钢
蝶板
碳钢
压盖
碳钢
手柄
碳钢
阀轴
1Cr13
轴套
铜合金
垫料
柔性石墨
 
DJ43W-0.1JC连接尺寸
A´B
A1´B1
A2´B2
L
B
H
Y
X
Z-Φd
Wt/kg
120´120
180´180
155´155
120
6
350
2
2
8-10
14
160´120
220´180
195´155
120
6
350
3
2
10-10
16
160´160
220´220
195´195
120
6
350
3
3
12-10
18
200´160
260´220
235´195
120
8
350
4
3
14-10
22
200´200
260´260
235´235
120
8
350
4
4
16-10
28
250´120
320´190
290´160
140
8
450
4
2
12-10
30
250´160
320´230
290´200
140
8
450
4
3
14-10
38
250´200
320´270
290´240
140
8
450
4
4
16-10
47
250´250
320´320
290´290
140
8
450
4
4
16-10
56
320´160
390´230
360´200
140
8
450
5
3
16-10
50
320´200
390´270
360´240
140
8
450
5
4
18-10
58
320´250
390´320
360´290
140
8
450
5
4
18-10
61
320´320
390´390
360´360
140
8
450
5
5
20-10
75
400´200
470´270
440´240
140
8
450
6
4
20-12
63
400´250
470´320
440´290
140
8
450
6
4
20-12
71
400´320
470´380
440´360
140
8
450
6
5
22-12
80
400´400
470´470
440´440
140
8
450
6
6
24-12
90
500´200
570´270
540´240
140
8
450
7
4
22-12
68
500´250
570´320
540´290
140
8
450
7
4
22-12
78
 
500´320
570´390
540´360
140
8
450
7
5
24-12
88
500´400
570´470
540´440
140
8
450
7
6
26-12
108
500´500
570´570
540´540
140
8
450
7
7
28-12
114
630´250
710´320
680´300
160
10
600
8
4
24-12
79
630´320
710´400
680´370
160
10
600
8
5
26-12
80
630´400
710´480
680´450
160
10
600
8
6
28-12
104
630´500
710´580
680´550
160
10
600
8
7
30-12
126
630´630
710´710
680´680
160
10
600
8
8
32-12
148
800´320
880´440
850´370
160
10
600
10
5
30-14
132
800´400
880´480
850´450
160
10
600
10
6
32-14
146
800´500
880´580
850´550
160
10
600
10
7
34-14
160
800´630
880´710
850´680
160
10
600
10
8
36-14
180
800´800
880´880
850´850
160
10
600
10
10
40-14
210
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