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Help CenterZZYP-16C Self-operated Pressure Regulating Valve, High Pressure Rating up to 600 PSI
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As a professional valve manufacturer with ISO 9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering reliable and high-performance pressure control solutions. Our ZZYP-16C Self-operated Pressure Regulating Valve is engineered for demanding industrial applications where stable and precise pressure reduction is critical. This valve operates without external power, utilizing the energy of the process medium itself to maintain a consistent downstream pressure, even with fluctuating upstream conditions. Designed for a maximum working pressure of 600 PSI, it offers a robust and cost-effective solution for steam, water, oil, gas, and air systems across various industries. Trust in our manufacturing expertise, backed by an annual export value exceeding US$1 million and a global reach spanning from North America to Southeast Asia.
The ZZYP-16C valve is a testament to practical engineering, providing automatic pressure regulation where electrical or pneumatic power is unavailable, unreliable, or undesirable. Its self-contained design eliminates the need for complex control panels, external sensors, or power supplies, significantly reducing installation and maintenance costs while enhancing system reliability.
Key Features & Technical Advantages:
- Self-Contained Operation: Leverages the pressure of the process fluid to actuate the valve, ensuring fail-safe operation without external energy sources.
- High-Pressure Capability: Rugged construction allows for reliable performance in systems with pressures up to 600 PSI, making it suitable for boiler feedwater, steam distribution, and high-pressure gas lines.
- Precise Control: The pilot-operated diaphragm mechanism provides sensitive and stable pressure regulation, maintaining the downstream set point within a tight tolerance to protect sensitive equipment.
- Durable Construction: Available in stainless steel or carbon steel bodies with precision-machined internals, ensuring long service life and resistance to corrosion and wear.
- Wide Application Range: Compatible with a broad spectrum of media including steam, hot water, compressed air, nitrogen, and various industrial gases and liquids.
- Easy Maintenance: Modular design allows for easy inspection and replacement of internal components like the diaphragm and seat without removing the entire valve from the pipeline.
Technical Specifications:
| Parameter | Specification |
| Model | ZZYP-16C |
| Pressure Rating (Max) | 600 PSI (42 bar) |
| Valve Size Range | DN15 (1/2") to DN200 (8") |
| Connection Standards | ANSI, JIS, DIN, GB; Flanged, Threaded, Welded |
| Media Temperature Range | -20°C to 200°C (-4°F to 392°F) |
| Seat Leakage Class | ANSI/FCI 70-2 Class IV |
| Body Material | Carbon Steel WCB, Stainless Steel CF8/CF8M |
| Trim Material | Stainless Steel, optional hardened materials |
Benefits for Your Operation:
- Enhanced System Safety: Prevents over-pressurization in downstream equipment, reducing the risk of leaks, bursts, and equipment failure.
- Operational Cost Savings: Eliminates electricity costs for actuators and reduces maintenance associated with complex control systems.
- Improved Process Stability: Maintains consistent pressure for optimal performance of heaters, turbines, and other process units.
- Simplified System Design: Allows for more flexible plant layout as no power cabling or air supply lines are needed at the valve location.
- Reduced Energy Consumption: By providing precise pressure control, it can help minimize energy waste in steam and compressed air systems.
Shanghai Zhibang Valve Manufacture Co., Ltd. stands behind the quality of every ZZYP-16C valve we produce. Our commitment to a certified ISO 9001 quality management system ensures consistent product performance and reliability. With an established history since 2016 and a significant global export footprint reaching markets in North America, Europe, Asia, and beyond, we have proven our capability to meet international standards and customer expectations. Our valves are shipped from major ports like Shanghai and Guangzhou, ensuring efficient logistics. Choose the ZZYP-16C for a dependable, self-sufficient pressure control solution that simplifies your infrastructure and safeguards your processes. Contact us today to discuss your specific pressure regulation requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
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How does a self-operated valve work without external power?
It uses a pilot system connected to the downstream pressure. When downstream pressure changes, it moves a diaphragm which directly adjusts the main valve plug, modulating flow to maintain the set pressure. -
What is the main difference between the ZZYP-16C and an electrically actuated regulator?
The ZZYP-16C is entirely mechanical, using process fluid energy. Electric regulators require a power source and electronic controller, offering more programmability but at higher cost and complexity. -
Can this valve be used for both gas and liquid service?
Yes, it is suitable for a wide range of media including steam, water, air, oil, and various industrial gases. Internal components may be selected or optimized based on the specific media. -
What maintenance is typically required?
Periodic inspection of the diaphragm and valve seat for wear is recommended. The pilot filter/strainer should be checked and cleaned to ensure proper sensing and response. -
Is the set pressure adjustable, and how is it done?
Yes. The set point is adjusted by turning an adjustment screw on the pilot assembly, which changes the spring force acting on the diaphragm. This can usually be done while the valve is in service. -
What happens if the upstream pressure falls below the desired downstream set point?
The valve will typically open fully. It is a pressure-reducing valve and cannot increase pressure; it only reduces and regulates higher inlet pressures to a stable lower outlet pressure. -
Do you offer custom configurations for specific pressure ranges or materials?
Yes. As a manufacturer, we can provide options for different spring ranges, special materials for corrosive services, and alternative end connections upon request. -
What is the typical delivery time for an order?
Delivery time depends on the specification and quantity. Standard configurations may be available from stock, while customized orders have a lead time which can be confirmed upon inquiry.
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