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Nominal diameter (mm) |
6 |
10 |
15 |
25 | ||||||||||||||||
Diameter of valve seat (mm) |
3 |
4 |
6 |
4 |
5 |
7 |
8 |
10 |
6 |
7 |
8 |
10 |
12 |
7 |
8 |
10 |
12 |
16 |
20 | |
Flow characteristics Kv |
0.04 |
0.1 |
|
0.1 |
0.4 |
|
|
|
0.4 |
|
|
|
|
1 |
1.6 |
2.5 |
4 |
6.3 |
8 | |
|
0.16 |
0.4 |
0.16 |
|
1 |
1.6 |
2.5 |
0.63 |
1 |
1.6 |
2.5 |
4 |
|
|
|
|
|
| ||
0.063 |
0.25 |
|
0.25 |
0.63 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Nominal diameter (mm) |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 | |||||||||||
Diameter of valve seat (mm) |
16 |
20 |
30 |
20 |
38 |
30 |
50 |
38 |
65 |
50 |
80 |
65 |
100 |
65 |
125 |
100 |
150 |
125 |
200 | |
Flow coefficient |
6.3 |
8 |
16 |
8 |
25 |
16 |
40 |
25 |
63 |
40 |
100 |
63 |
160 |
100 |
250 |
160 |
400 |
250 |
600 | |
Adjustable range |
Kv <18 R=20:1;Kv >18 R=30:1 | |||||||||||||||||||
Nominal pressure |
16、22、32MPa | |||||||||||||||||||
Valve spool |
Sleeve guide single-seat plunger valve spool | |||||||||||||||||||
Flow characteristics |
Straight line | |||||||||||||||||||
Action mode |
Air on、air off | |||||||||||||||||||
Working temperature |
General -40~230℃;heat sink 230~450℃,special order 450~600℃ | |||||||||||||||||||
Flange standard |
According to JB/T2769-92 standard、according to ANSI、JIS、DIN standard | |||||||||||||||||||
Actuator |
ZHA/B multi-spring pneumatic diaphragm adjusting valve | |||||||||||||||||||
Components |
Positioner 、solenoid valve、air filter regulator、limit switch、feedback device of valve position、emergency device、handwheel body | |||||||||||||||||||