Characteristics
ZXSD Pneumatic Low-temperature Angle Control Valve is a kind of control valve suitable for cold occasions. It is equipped with insulatinglong-necked valve cover and a multi-spring actuator. It has the advantages of compact structure, lightweight, Stability and so on.Bellows Seal ensures that no leakage in the low temperature situations. It is widely used in metallurgy, air separation, oxygen, petroleum, chemical and other cryogenic industry.
Main technical parameters
Body size DN (mm)
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20
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25
|
32
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40
|
50
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65
|
80
|
100
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Ports size (mm)
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10
|
12
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15
|
20
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Rated flow coefficient (Kv)
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Liner
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1.8
|
2.8
|
4.4
|
6.9
|
11
|
17.6
|
27.5
|
44
|
69
|
110
|
176
|
Percentage
|
1.6
|
2.5
|
4.0
|
6.3
|
10
|
16
|
25
|
40
|
63
|
100
|
160
|
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Rated travel (mm)
|
16
|
25
|
40
|
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Diaphragm area (cm)
|
280
|
400
|
600
|
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Flow characteristic
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Liner, percentage
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Nominal pressure (MPa)
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0.6、1.0、1.6
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Range ability (R)
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50:1
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Working temperature (0C)
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D0:-60~-100,D1-100~-200,D2:-200~-250
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Spring range Kpa)
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20~100,40~200,20~60,60~100,80~240
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Seat leakage
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Ⅳ , Ⅵ (GB/T4213-92)
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Air supply(MPa)
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0.14~0.40
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