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GOST Cast Steel pneumatic Globe Valve Price Low
ZJHM small pneumatic sleeve regulating valve, lightweight, high-performance, high-capacity, a new generation of IEC-compliant universal valve products. It is suitable for the fluid medium and the process conditions in general production process-system.
The product consists of a new type of pneumatic multi-spring diaphragm actuator and low flow resistance sleeve valve.
Features are as follows:
1, using the balance plug, allowing large differential pressure, stable operation.
2, valve guide is large, the oscillation caused by the eddy current and impact can be improved,and reduce damage.
3, compared with ordinary single seat control valve noise reduced about 10bd.
4, simple structure, easy assembly and disassembly and maintenance.
Main parameters
DN mm |
25 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
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Seat diameter mm |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
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Kv |
linear |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
1000 |
1600 |
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Equal percent |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
900 |
1440 |
|||||||
PN MPa |
0.6 1.6 4.0 6.4 |
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Stroke mm |
16 |
25 |
40 |
60 |
100 |
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Flow characteristics |
Linear,equal percent,quickly open |
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|
Medium Temperature ℃ |
-15~200℃(normal type),230~450℃(middle type) |
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Flange standard |
JB78-59,JB79-59 |
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body |
PN |
0.6,1.6 |
WCB(ZG230-450) CF3CF8 CF8M |
||||||||||||||||
4.0,6.4 |
WCB(ZG230-450),ZG1Cr18Ni9Ti,ZG0Cr18Ni12Mo2Ti CF8 CF8M |
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Trim material |
1Cr18Ni9,0Cr18Ni12Mo2Ti CF8 CF8M |
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bonnet type |
Oridinary (normal temperature),thermal slug (middle temperature) |
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Adjustable ratio R |
50:1 |
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Note:we can supply ANSI,JPI,JIS etc flange standard,and structure length can customerized.
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