Self-Operated Valve Series
Description
The ZZYP series self-operated pressure control valve is an actuator product that requires no external power source, relying on the energy of the controlled medium itself to achieve automatic control. It is energy-efficient, and its pressure setpoint can be adjusted freely during operation. Featuring a quick-opening flow characteristic, it offers responsive action, excellent sealing, stable medium pressure, high adjustment precision, and minimal leakage.
Share:
No external energy needed for automatic adjustment.
Simplifies equipment and saves energy.
Compact structure, few parts, light weight
It can be widely used in various industrial equipment for gas, liquid, and steam medium in the petroleum, chemical, power, metallurgy, food, light textile, machinery manufacturing, and residential building sectors for automatic control of pressure reduction and stabilization (for downstream regulation) or pressure relief and stabilization (for upstream regulation). Equipped with a condenser, it can operate continuously under steam conditions up to 350°C.
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DN (mm) |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
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Rated Flow Coefficient Kv |
11 |
17 |
29 |
43 |
70 |
110 |
169 |
275 |
440 |
690 |
960 |
1300 |
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Rated Travel L(mm) |
10 |
14 |
20 |
25 |
40 |
60 |
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Actuator Type |
Diaphragm Type (Set Pressure ≤ 0.7 MPa), Cylinder Type (Set Pressure > 0.8 MPa), Bellows Type |
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PN (MPa) |
1.6~10.0、CL150~600 |
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Inherent Flow Characteristic |
Quick Opening |
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Action Mode |
Pressure to Close(Control Downstream), Pressure to Open(Control Upstream) |
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Valve Structure Type |
Single-Seat, Sleeve |
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Inherent Rangeability |
30 |
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Pressure Reducing Ratio |
10:1～1.25:1 |
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Medium Temperature (℃) |
Normal < 120°C, with Condenser ≤ 350°C |
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Regulation Accuracy (%) |
±10 |
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Allowable Leakage |
Soft Seal |
Ⅵ, Zero Leakage |
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Metal Seal |
Ⅳ, Ⅴ |
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Flange Connection Type |
PN1.6MPa as per HG/T20592-2009 RF, with the body being Raised Face PN≥4.0MPa as per HG/T20592-2009 FM, with the body being Female Face |
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Pressure Control Range (KPa) |
30～60、50～100、80～200、150～250 200～400、300～600、700～1100、900～1300 1200～1800、1600～3000、2500～4000 |
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YSM high-performance regulating valves, with a wide range of structural valve internals that cover various operating conditions in a one-stop solution, provide long-term stable and reliable operation, ensuring precise regulation and efficient operation of the system.
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