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Nominal diameter mm |
25 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 | ||||
Diameter of valve seat mm |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
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Rated flow coefficient Kv |
Straight line |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
1000 |
1600 | |||
Equal percentage |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
900 |
1440 | ||||
Nominal pressure MPa |
0.6 1.6 4.0 6.4 | |||||||||||||||
Travel mm |
16 |
25 |
40 |
60 |
100 |
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Flow characteristics |
Straight line、equal percentage、quick open | |||||||||||||||
Media temperature ℃ |
-40~230℃(normal temperature ), heat sink 230~450℃(medium temperature ),special order -100~600℃ | |||||||||||||||
Flange standard |
According to JB78-59、JB79-59 standard ,according to JB/79.1-94、JB/79.2-94、ANSI、JIS、DIN standard | |||||||||||||||
Material of valve body |
PN (MPa) |
0.6,1.6 |
WCB(ZG230-450) CF3CF8 CF8M | |||||||||||||
4.0,6.4 |
WCB(ZG230-450)、ZG1Cr18Ni9Ti、ZG0Cr18Ni12Mo2Ti CF8 CF8M | |||||||||||||||
Valve body type |
Linear single-seat casting ball valve | |||||||||||||||
Material of valve spool |
1Cr18Ni9、0Cr18Ni12Mo2Ti CF8 CF8M | |||||||||||||||
Upper cover type |
General (normal temperature )、heat sink(medium temperature )、low temperature | |||||||||||||||
Adjustable ratio R |
50:1 | |||||||||||||||
Connector of supply air |
M16×1.5 |