The ZZY series self-operated pressure regulating valve is a control valve that automatically regulates pressure using the pressure of the controlled medium itself, without requiring external power or air supply. It is primarily used for stable control of inlet pressure, outlet pressure, or system pressure in pipelines or equipment.
Our control valves are engineered with optimized flow paths and control trims to deliver accurate, repeatable control across a wide operating range.
Specialized designs are available for high pressure, high temperature, corrosive, abrasive, and high differential pressure applications.
We offer a wide selection of valve body and trim materials, carefully selected to match process media and service conditions.operation.
The ZZY series self-operated pressure regulating valve is a control valve that automatically regulates pressure using the pressure of the controlled medium itself, without requiring external power or air supply. It is primarily used for stable control of inlet pressure, outlet pressure, or system pressure in pipelines or equipment.
This series of valves features a mature structure and stable performance, and is widely used in heating, water supply, steam, and industrial pipeline systems, making it an ideal alternative to traditional pressure reducing and pressure regulating valves.
Core Advantages:
1. Energy-efficient
Does not rely on external power, resulting in low operating costs.
2. Excellent pressure regulation performance
Sensitive response to pressure fluctuations and high control accuracy.
3. Simple structure and long service life
Low failure rate and minimal maintenance.
4. Wide range of applicable media
Suitable for water, steam, gas, and various industrial media.
Typical Application Areas:
• Central heating and heat exchange stations
• Urban and industrial water supply systems
• Steam pressure reduction and regulation systems
• Oil, chemical, and utility pipeline networks
• Industrial equipment pressure protection and control
High adjustment accuracy and stable control
Suitable for high temperature, high pressure, and harsh operating conditions
Selected materials and high-strength structural design
Reliable sealing and low leakage rate
Easy integration with automated control systems
Complies with multiple international certification standards
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