Butterfly Valve / Vacuum Valve (DK941X)
Model
Model
DS9D41X-2.5C
DS9D41X-2.5C
PN(Mpa)
0.25
0.25
Testing pressure(MPa)
Strength test
0.4
0.4
Sealing test
0.275
0.275
Working pressure(MPa)
0.25
0.25
Suitable medium
No corrosion saturated water vapor
Suitable temperature
≤120
≤200
Vacuum leak rate
≤6.67×10-2PaM3S-1
Flange size standard
GB25555～2556-81
Pressure test standard
GB/T13927-92
Main parts
|
Part name
|
Body, Disc
|
Valve shaft seal seat
|
Valve Plate O-ring
|
|
material
|
Q235-A,F plate
|
2Cr13,1Cr18Ni9Ti
|
Three B Rubber,VITON
|
DK941X-2.5C Vacuum valve :Overall size of the main link unit: mm
|
DN
|
D
|
D1
|
D2
|
L
|
n-d
|
b
|
f
|
A
|
B
|
H
|
|
1000
|
1170
|
1120
|
1080
|
305
|
28-30
|
42
|
5
|
590
|
980
|
2230
|
|
1200
|
1375
|
1320
|
1280
|
381
|
32-30
|
44
|
5
|
590
|
980
|
2476
|
|
1400
|
1575
|
1520
|
1480
|
381
|
36-30
|
46
|
5
|
630
|
1117
|
2793
|
|
1600
|
1790
|
1730
|
1690
|
457
|
40-30
|
48
|
5
|
630
|
1117
|
2850
|
|
1800
|
1990
|
1930
|
1890
|
457
|
44-30
|
50
|
5
|
850
|
1480
|
3187
|
|
2000
|
2190
|
2130
|
2090
|
540
|
48-30
|
52
|
5
|
850
|
1480
|
3310
|
|
2200
|
2405
|
2340
|
2295
|
590
|
52-33
|
56
|
6
|
850
|
1554
|
3915
|
|
2400
|
2605
|
2540
|
2495
|
650
|
56-33
|
60
|
6
|
850
|
1554
|
4187
|
|
2600
|
2805
|
2740
|
2695
|
700
|
60-33
|
64
|
6
|
1533
|
1435
|
4409
|
|
2800
|
3030
|
2960
|
2910
|
760
|
64-36
|
66
|
6
|
1585
|
1837
|
4760
|
|
3000
|
3230
|
3160
|
3110
|
810
|
68-36
|
70
|
6
|
1585
|
1837
|
5008
|