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Nominal diameter DN(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 | |||
Seat diameter DN(mm) |
10 |
12 |
15 |
20 | ||||||||||
Rated flow coefficient Kv |
1.8 |
2.4 |
4.4 |
4 |
11 |
20 |
30 |
48 |
75 |
120 |
190 |
300 |
480 |
760 |
Allowed differential pressure (MPa) |
2.5 |
2.0 |
1.6 |
1.0 | ||||||||||
Nominal pressure(MPa) |
1.6 4.0 6.4 | |||||||||||||
inherent flow characteristic |
Quick to open | |||||||||||||
Min differential pressure P(MPa) |
0.05 | |||||||||||||
Section of pressure range (KPa) |
15~50 40~80 60~100 80~140 120~80
160~220 200~260 240~300 280~350 330~400
380~450 430~500 480~560 540~620 600~700
680~800 780~900 800~1000 900~2000 | |||||||||||||
Working temperature ℃ |
liquid≤140; gas ≤80;with condensers and heat sink≤350 | |||||||||||||
Suitable media |
gas、steam、low-viscosity liquid | |||||||||||||
Flange size 、type |
PN10、16、40GB9113-88、PN64JB/T7-94;PN10,16 convex ,PN40,64 convex or according to users’ requirements ,choosing other flanges of different standards(example:ANSI、JIS、DIN standard) | |||||||||||||
Structure length |
According to GB12221-89 standard | |||||||||||||
With accessories |
condenser(for steam media)、heat sink。 | |||||||||||||
Interface signal of actuator |
Internal thread M16×1.5 |