Feature：
1. Top -bottom guided double seat control valve valve seat, good stability
2. The pneumatic linear actuator consists of a diaphragm housing
3. Large adjustable range, Inherent adjustable ratio 50
4.With Insulation jacket
5.control valve type: Single-seated type ,Sleeve type, double-seat type, 3-way type.
6.Actuator Accessories
Main technical specification
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Nominal Diameter(mm) |
20、25 |
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Valve seat diameter Gg(mm) |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
12 |
15 |
20 |
25 |
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Rated flow coefficient Kv（Liner) |
0.04 |
0.08 |
0.12 |
0.2 |
0.32 |
0.5 |
0.8 |
1.0 |
1.2 |
2 |
4.4 |
6.9 |
11 |
|
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Rated Stroke L(mm) |
10 |
16 |
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Diaphragm Effective Area(cm²） |
200/280/400 |
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Spring Range Pr(Kpa) |
20~100、40~200、80~240(20~60、60~100） |
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Gas source pressure(Mpa) |
0.14、0.25、0.30 |
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Inherent flow Characteristics |
Equal percentage、Liner |
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Leakage class |
Metal valve plug:VI Class(Micro air bubble level） |
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Nominal Pressure PN(MPa) |
Mpa |
1.6,2.5,4.0,6.4(6.3)/2.0,5.0,11.0 |
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Bar |
16,25,40,64(63)/20,50,110 |
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Lb |
ANSI:Class150、Class300、Class600 |
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Upper bonnet form |
Room temperature |
-20~200、-40~250、-60~250 |
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The cooling type |
-40~350、-60~350 |
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High temperature |
350~595(high-temperature material) |
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Cryogenic |
-60~-100、-100~-200、-200~-250 |
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Regulating cut off type |
-40~150(Valve plug with PTFE) -60~200(Valve plug with reinforce PTFE) |
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