常开式调节阀允许压差表
| 膜片有胶面积Ae(cm2) |
280 |
400 |
600 |
1000 |
| 信号范围Pr(KPa) |
20-100 |
20-100 |
20-100 |
20-100 |
20-100 |
20-100 |
20-100 |
20-100 |
| 气源压力Ps(MPa) |
0.14 |
0.25 |
0.14 |
0.25 |
0.14 |
0.25 |
0.14 |
0.25 |
| 需配附件 |
- |
P |
- |
P |
- |
P |
- |
P |
|
公称通径DN (mm)
及阀座直径d (mm) |
20 |
10 |
5.35 |
6.40 |
|
|
|
|
|
|
| 12 |
3.72 |
6.40 |
|
|
|
|
|
|
| 15 |
2.33 |
5.55 |
|
|
|
|
|
|
| 20 |
1.34 |
3.12 |
|
|
|
|
|
|
| 25 |
25 |
0.86 |
2.00 |
|
|
|
|
|
|
| 32 |
32 |
|
|
0.75 |
1.74 |
|
|
|
|
| 40 |
25 |
|
|
1.22 |
2.85 |
|
|
|
|
| 32 |
|
|
0.75 |
1.74 |
|
|
|
|
| 40 |
|
|
0.48 |
1.11 |
|
|
|
|
| 50 |
32 |
|
|
0.75 |
1.74 |
|
|
|
|
| 40 |
|
|
0.48 |
1.11 |
|
|
|
|
| 50 |
|
|
0.31 |
0.71 |
|
|
|
|
| 65 |
65 |
|
|
|
|
0.27 |
0.63 |
|
|
| 80 |
50 |
|
|
|
|
0.46 |
1.07 |
|
|
| 65 |
|
|
|
|
0.27 |
0.63 |
|
|
| 70 |
|
|
|
|
0.18 |
0.42 |
|
|
| 100 |
65 |
|
|
|
|
0.27 |
0.63 |
|
|
| 70 |
|
|
|
|
0.18 |
0.42 |
|
|
| 100 |
|
|
|
|
0.11 |
0.26 |
|
|
| 125 |
125 |
|
|
|
|
|
|
0.12 |
0.28 |
| 150 |
100 |
|
|
|
|
|
|
0.19 |
0.44 |
| 125 |
|
|
|
|
|
|
0.12 |
0.26 |
| 150 |
|
|
|
|
|
|
0.09 |
0.20 |
| 200 |
125 |
|
|
|
|
|
|
0.12 |
0.28 |
| 150 |
|
|
|
|
|
|
0.09 |
0.20 |
| 200 |
|
|
|
|
|
|
0.05 |
0.11 |
*P:阀门定位器
**对于ZXPV型单座纹管密封调节阀,最大允许压差为1.0MPa,表中数据若数值小于1.0MPa则不变,若数值MPa,则取值1.0MPa。
结构示意图

(图2:各种单座调节阀外形样式)

(图3:结构示意图)
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