Butterfly Valve Series
Description
The ZSHWB/ZDRWB series double eccentric butterfly valve, also known as the high-performance butterfly valve, features a unique eccentric structure between the disc and the sealing ring. This design offers compact structure, excellent shut-off performance, and long service life. It combines both control and shut-off functionalities.
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No auxiliary seals such as O-rings or metal components required.
Lip-type sealing structure compensates for changes caused by temperature and pressure.
Nearly frictionless sealing ensures lower torque and better sealing performance.
These valves are widely used in industrial sectors such as chemicals, power, textiles, food, pharmaceuticals, and papermaking, as well as in municipal projects and water treatment facilities. They are suitable for controlling the flow or shut-off of medium such as potable water, wastewater, oils, air, gas, natural gas, and steam in pipelines.
|
DN (mm) |
DN50～1200 |
|
PN (MPa) |
0.6、1.0、1.6、4.0（DN80～400） |
|
Inherent Flow Characteristic |
Approximately Equal Percentage |
|
Inherent Rangeability |
50 |
|
Rated Angle（°） |
80 |
|
Pneumatic Actuator Type |
Single Acting, Double Acting |
|
Air Supply Pressure (MPa) |
Recommended 0.5 MPa for actuator air supply pressure |
|
Power Supply Voltage |
220V.AC 50Hz 380V.AC 50Hz (Three-Phase) |
|
Input Signal |
4～20mA.DC、0～10mA.DC、1～5V.DC, or higher signals for split range control |
|
Connection Type |
Wafer |
|
Operating Temperature (°C) |
Carbon Steel: -29～425℃, Stainless Steel: -29～595℃ |
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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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