ZZYP-16C Self-operated Pressure Regulating Valve, 316 Stainless Steel Body, ANSI Flanged
Product Spotlights
As a professional valve manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present the ZZYP-16C Self-operated Pressure Regulating Valve. Engineered for precision and durability, this valve is designed to provide reliable pressure control in demanding industrial applications without the need for external power sources. Our extensive experience since 2016 in supplying to global markets across North America, Europe, Asia, and beyond ensures that this product meets international standards and performance expectations. The combination of a robust 316 stainless steel body and ANSI flanged connections makes it a suitable choice for systems handling steam, water, gas, and various process fluids.
Core Features and Technical Advantages:
- Self-Contained Operation: The valve utilizes the energy from the medium itself (pilot-operated principle) to regulate downstream pressure. This eliminates the need for external instruments, compressed air, or electrical power, significantly reducing installation complexity and operational costs.
- Superior Construction Material: The main valve body is constructed from 316 stainless steel, offering excellent resistance to corrosion, pitting, and oxidation, especially in environments with chlorides or other aggressive media. This ensures a long service life even in harsh conditions.
- Precise and Stable Control: Designed for accurate pressure reduction and regulation. The internal pilot system responds quickly to changes in downstream pressure, maintaining the set point within a tight tolerance to protect sensitive equipment and ensure process stability.
- Robust ANSI Flanged Design: Standard ANSI flanged ends (typically ANSI 150 or 300 class, available upon request) provide a secure, leak-proof connection to piping systems, facilitating easy installation, maintenance, and compatibility with a wide range of industrial pipework.
- Wide Application Range: Suitable for regulating pressure in systems conveying steam, compressed air, water, oil, and non-aggressive gases. Common applications include steam distribution lines, compressed air networks, building HVAC systems, and industrial process lines.
- Flexible Configuration Options: While the standard ZZYP-16C model is highly effective, we offer customization for specific requirements, including different pressure set point ranges, alternative seat materials (like PTFE for better sealing), and extended temperature ranges.
Key Technical Specifications:
| Parameter | Specification / Description |
| Valve Model | ZZYP-16C |
| Body Material | 316 Stainless Steel |
| Connection Standard | ANSI Flanged (RF or RTJ) |
| Pressure Rating | ANSI 150 / 300 (Selectable) |
| Regulating Medium | Steam, Water, Air, Oil, Gas |
| Temperature Range (Standard) | -20°C to +200°C |
| Inlet Pressure Range (P1) | 0.1 - 1.6 MPa / 1.0 - 4.0 MPa (Customizable) |
| Outlet Pressure Range (P2) | 0.05 - 1.0 MPa (Adjustable) |
| Pressure Regulation Accuracy | ±5% of the set point |
| Flow Coefficient (Cv) | Varies by size; details available upon request |
Benefits for Your Operations:
- Cost-Effective Solution: Eliminates ongoing energy and maintenance costs associated with powered regulators.
- Enhanced System Safety: Prevents over-pressurization in downstream equipment, reducing the risk of leaks or failures.
- Improved Process Consistency: Stable pressure control leads to more consistent product quality and operational efficiency.
- Reduced Maintenance: Simple, robust design with fewer moving parts compared to complex control loops minimizes downtime.
- Global Supply Chain Support: With our established export channels and multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing), we ensure timely and reliable delivery to your location.
Backed by our commitment to quality under the ISO9001 framework and a proven track record of serving a diverse global clientele across North America, South America, Europe, Asia, Africa, and Oceania, the ZZYP-16C valve represents a reliable component for your critical pressure control needs. Our annual export volume reflects the trust placed in our products by international partners. For a dependable, self-sufficient, and corrosion-resistant pressure regulation solution that simplifies your system design and lowers total cost of ownership, contact Shanghai Zhibang Valve today to discuss your specifications or request a detailed quotation.
Frequently Asked Questions (FAQ):
-
Q: How does a self-operated pressure regulating valve work without external power?
A: It uses a pilot system. A small portion of the downstream pressure is fed back to a diaphragm or piston in the pilot mechanism. This force balances against a pre-set spring. If downstream pressure deviates, the pilot moves, adjusting the main valve opening to restore the desired pressure, all using the fluid's own energy. -
Q: Is the 316 stainless steel body suitable for seawater applications?
A: While 316 stainless steel offers good corrosion resistance, its suitability for continuous seawater immersion depends on factors like flow velocity and temperature. For such demanding environments, we recommend consulting our engineers for a specific material evaluation. -
Q: Can the outlet pressure (set point) be adjusted on-site?
A: Yes. Typically, there is an adjustment screw on the pilot section. By turning this screw, you compress or relax the setting spring, which changes the downstream pressure the valve will maintain. Always follow the manufacturer's instructions for safe adjustment. -
Q: What is the difference between the ZZYP-16C and an electrically actuated control valve?
A: The key difference is the actuation method. The ZZYP-16C is self-contained, using process fluid energy. An electric valve requires a separate controller, sensor, and power supply. Our self-operated valve is simpler, more economical for basic pressure reduction, and fails in a predictable manner. -
Q: Do you provide valves with different flange standards, like DIN or JIS?
A: Yes. While the standard offering is ANSI flanged, we can manufacture valves with DIN, JIS, or other flange standards upon request. Please specify your requirement when inquiring. -
Q: What maintenance does this valve typically require?
A: Maintenance is generally minimal. It may involve periodic checking of the strainer (if equipped), inspection for external leaks, and verification of the set pressure. Internal parts like seals may need replacement after extended service, depending on the medium and operating conditions. -
Q: How do I select the correct valve size (DN) for my application?
A: Valve sizing depends on required flow rate (Cv), inlet/outlet pressures, and fluid properties. We recommend providing these details so our technical team can assist in selecting the appropriate size to ensure optimal performance and avoid issues like noise or poor control. -
Q: What is your lead time for standard and customized orders?
A: Lead times vary based on order quantity, specifications, and current production schedule. Standard ANSI flanged valves in common sizes may have shorter lead times. For an accurate estimate, please contact us with your specific requirements.
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