Valve disc : Mental seat and Pressure balanced cage type disc
Adjustable feature : equal percentage, line type
Trim material:304,304 overlay STL, 316,316 overlay STL, 316L, etc.
1.Pneumatic-actuator
Type : Pneumatic Diaphragm Actuators
Membrane material: Ethylene propylene rubber filled with nylon
Spring range: 20-100KPa,40-200KPa,80-240KPa
Air supply pressure: 140KPa,160KPa,280KPa,400KPa
Air supply connection:Rc1/4,Rc3/8
Environment Temp: -30-+70℃
Acting type: air open ( reverse acting), air close (positive acting)
Note: (1) The type of large diameter or high pressure difference control valve can also be equipped with 6400 series straight stroke piston actuator.
(2) if the environment temperature below 30 ℃, please contact with Cepai engineers.
|
Nominal Diameter(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
|
Valve seat diameter Gg(mm) |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
|
Rated flow coefficient Kv |
Equal percentage |
4 |
7 |
11 |
18 |
28 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
1000 |
1650 |
|
Liner |
4 |
6 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
900 |
1500 |
|
|
Rated Stroke L(mm) |
16 |
25 |
40 |
60 |
100 |
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|
Diaphragm Effective Area(cm²） |
280 |
400 |
600 |
1000 |
1600 |
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|
Spring Range Pr(Kpa) |
20~100、40~200、80~240 |
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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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|
Inherent rangeability R |
50 |
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|
Leakage class |
Metal valve plug:III Class、IV Class; Soft Valve plug:VI Class |
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|
Nominal Pressure PN(MPa) |
Mpa |
1.6,2.5,4.0,6.4(6.3)/2.0,5.0,11.0,15.0 |
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| Bar |
16,25,40,64(63),100,160/20,50,110,150 |
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| Lb |
ANSI:Class150、Class300、Class600、Class900 |
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|
Upper bonnet form |
Room temperature |
-20~200、-40~250、-60~250 |
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|
The cooling type |
-40~250、-60~250 |
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|
High temperature |
450~560(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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