Name:D341W ventilation butterfly

Product description :
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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