Name：(small) pneumatic diaphragm single-seat control valve
Model：ZJHP
Quoted price：面议
Feature：SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD
(small) pneumatic diaphragm single-seat control valveDetails：
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Nominal diameter DN（mm） |
20 |
25 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
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|
10 |
12 |
15 |
20 |
32 |
40 |
125 |
150 |
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|
Rated flow coefficient KV |
Straight line |
1.8 |
2.8 |
4.4 |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
400 |
690 |
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|
Equal percentage |
1.6 |
2.5 |
4 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
360 |
630 |
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|
Rated flow characteristics |
Straight line；equal percentage |
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|
Inherent flow ratio |
50：1 |
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|
Nominal pressure DN（MPａ） |
0.6；1.6；4.0；6.4 |
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|
Working temperature ℃ |
－20～200；－40～250；－40～450；－60～450 |
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|
Environment temperature ℃ |
－40～85 |
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|
Pressure of air supply（MPａ） |
0.14；0.25；0.4 |
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|
Actuator model |
ZH(A/B)-22 |
ZH(A/B)-23 |
ZH(A/B)-34 |
ZH(A/B)-45 |
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|
Spring range KPａ |
Air off |
20～100；20～100；40～200 |
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|
Air on |
20～100；40～200；80～240 |
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|
Allowed pressure difference MPａ |
Air off |
20～100 |
0.14 |
6.4 |
6.19 |
3.96 |
2.23 |
1.43 |
0.87 |
0.56 |
0.35 |
0.34 |
0.22 |
0.14 |
0.15 |
0.10 |
0.06 |
|
20～100 |
0.25 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
5.68 |
3.64 |
2.30 |
2.21 |
1.43 |
0.91 |
0.95 |
0.66 |
0.37 |
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|
40～200 |
0.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
6.4 |
5.04 |
3.18 |
3.06 |
1.98 |
1.26 |
1.32 |
0.92 |
0.52 |
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|
Air on |
20～100 |
0.14 |
4.64 |
3.09 |
1.98 |
1.11 |
0.71 |
0.44 |
0.28 |
0.18 |
0.17 |
0.11 |
0.07 |
0.07 |
0.05 |
0.03 |
|
|
40～200 |
0.25 |
6.4 |
6.4 |
5.94 |
3.34 |
2.14 |
1.31 |
0.84 |
0.53 |
0.51 |
0.33 |
0.21 |
0.22 |
0.15 |
0.09 |
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|
80～240 |
0.4 |
6.4 |
6.4 |
6.4 |
6.4 |
4.99 |
3.05 |
1.95 |
1.25 |
1.18 |
0.78 |
0.5 |
0.51 |
0.36 |
0.21 |
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