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Inlet / Outlet Pressure Reduction Automatic Control Valve High Regulating Precision Level
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Inlet / Outlet Pressure Reduction Automatic Control Valve High Regulating Precision Level

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Inlet / Outlet Pressure Reduction Automatic Control Valve High Regulating Precision Level

 

Self-operated pressure double seats  control valve

 

 

General

ZZY Series of Self-operated Control Valve there is no need for any external power source, only used fluid own energy to adjusted the valve opening automatically, and pressure set value can be adjusted freely during on working condition. With advantages of quick-opening flow characteristic, flexible operation, good sealing performance, stable fluid pressure, high regulating precision level and low leakage etc. it is widely used in automatic control of the inlet-valve and outlet-valve pressure reduction, stabilization of the fluids, such as air, liquid and vapor in various industrial equipments, like industries in petroleum, chemical engineering, electric power, metallurgy, food, light textile, machinery manufacturing and residential buildings, etc. with the condenser, it can continuous on working under 350 degrees steam condition.

 

Characteristics

1, Without any external driving energy, low cost, Suitable for explosive environment

2, Simple structure, little maintenance work;

3, The set point can be adjusted and the range is wide, convenient for the user to do continuous adjustment;

4, Body pressure, convenient pipe installation

5. Using the pressure balance valve structure, no packing, frictionless movable components, sensitive control, high control precision.

 

Specifications and technical parameters

1.Main technical parameters of ZZY standard KV7                                        Table 1

DN(mm)

25

32

40

50

65

80

100

125

150

200

250

300

Rated flow coefficient Kv

11

17

29

43

70

110

169

275

440

690

960

1300

Rated travel L(mm)

10

14

20

25

40

60

Actuator type

Diaphragm type(Set pressure≤0.7MPa),Cylinder type(Set pressure0.8MPa),Bellows type

Actuator

Set point KPa

100

200

300

700

1000

1500

2000

3000

4000

Effective area cm2

400

280

200

100

71
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Mr. Mr. Sam Yang
Tel: 86-571-63168258
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Zhejiang yongsheng technology co.,ltd.
Lushan Industrial Park,Fuyang, Hangzhou, Zhejiang, China (Mainland)
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