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DN(mm) (diameter of valve seat dn) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 | ||||
(10) |
(12) |
(15) |
(20) | ||||||||||||
Rated flow coefficient |
Straight line |
1.8 |
2.8 |
4.4 |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
Equal percentage |
1.6 |
2.5 |
4 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 | |
Rated travel (mm) |
16 |
25 |
40 |
60 | |||||||||||
PN(MPa) |
1.0 1.6 4.0 6.4 | ||||||||||||||
Inherent flow characteristics |
Straight line, equal percentage | ||||||||||||||
Rated adjustable ratio |
50 | ||||||||||||||
Allowed leakage |
Single-seat |
Hard sealing:IV level soft sealing:VI level | |||||||||||||
Sleeve |
Hard sealing:II level soft sealing:VI level | ||||||||||||||
Work temperature t(℃) |
-20~200 -40~250 -40~450 -60~450 | ||||||||||||||
Signal range (mA.DC) |
0~10 4~20 | ||||||||||||||
Action mode |
Power off power on | ||||||||||||||
Operation temperature(℃) |
Electric adjusting valve:-20~70℃ servo amplifier:0~50℃ | ||||||||||||||
operation humidity |
Electric adjusting valve:≤95% servo amplifier:≤85% | ||||||||||||||
Power voltage |
220V 50Hz 380V 50Hz 24AC/DC |
Operation temperature(℃)
Electric adjusting valve:-20~70℃ servo amplifier:0~50℃
operation humidity
Electric adjusting valve:≤95% servo amplifier:≤85%
Power voltage
220V 50Hz 380V 50Hz 24AC/DC