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Help CenterCast Steel Marine Oil Pressure Reducing Valve DN15-DN50 PN1.6-6.4MPa Flanged
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Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer of industrial valves since 2016, exporting over US$1 million annually to global markets including North America, Europe, and Southeast Asia. Our Cast Steel Marine Oil Pressure Reducing Valve DN15-DN50 PN1.6-6.4MPa Flanged is engineered to precisely control and reduce oil pressure in marine hydraulic and fuel systems, ensuring stable operation and extended equipment life. Built with high-grade cast steel and ISO9001-certified processes, this valve delivers exceptional durability and reliable performance in harsh marine environments.
This pressure reducing valve is designed for flanged connections, making installation straightforward and secure. It covers a wide range of nominal sizes from DN15 to DN50 and can handle pressure ratings from PN1.6 up to PN6.4MPa, adapting to various system requirements. The valve's internal mechanism accurately maintains downstream pressure regardless of upstream fluctuations, minimizing energy waste and protecting downstream components from overpressure damage.
Key Features and Technical Specifications
- Robust Cast Steel Body: Withstands high pressure and corrosion, suitable for marine oil applications.
- Flanged End Connections: Conforms to standard flange dimensions (e.g., GB, ANSI, DIN options available upon request).
- Precise Pressure Regulation: Adjustable set point with a pilot-operated or direct-acting design for consistent output.
- Wide Pressure Range: PN1.6–6.4MPa, accommodating various system pressures.
- Size Range DN15–DN50: Covers common pipeline diameters for marine oil systems.
- Temperature Resistance: Suitable for oil temperatures up to 350°C (optional).
- Low Maintenance: Simple design with replaceable internal parts, reducing downtime.
- Optional Accessories: Pressure gauge ports, strainers, and bypass valves available.
| Parameter | Specification |
| Material | Cast Steel (WCB, WCC, or LCB optional) |
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50 |
| Pressure Rating | PN1.6, PN2.5, PN4.0, PN6.4 |
| Connection | Flanged (RF, FF, RTJ optional) |
| Working Medium | Oil, fuel, hydraulic fluids |
| Operating Temperature | -20°C to +350°C (customizable) |
| Regulation Accuracy | ±5% of set point |
Advantages for Your Marine Applications
Using this cast steel pressure reducing valve provides several direct benefits:
- Enhanced System Safety: Prevents overpressure that could damage pumps, actuators, and piping.
- Energy Efficiency: Reduces unnecessary pressure drop, saving fuel and power consumption.
- Long Service Life: Cast steel construction resists fatigue and corrosion, even in saltwater environments.
- Easy Installation: Flanged connections allow quick integration into existing pipelines.
- Flexible Configuration: Available with various trim options (e.g., stainless steel, PTFE seals) for specific fluid compatibility.
Trust Shanghai Zhibang Valve – Your Reliable Partner
Since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to producing high-quality valves for marine, oil & gas, and industrial sectors. Our factory is ISO9001 certified, ensuring consistent quality control from raw material inspection to final testing. With an annual export value of US$1 million to US$1.5 million, we ship to over 10 global markets, including North America, South America, Europe, the Middle East, and Southeast Asia. Our experienced team provides responsive technical support and customization services. Whether you need standard flanged pressure reducing valves or special designs, we are ready to meet your requirements.
Contact us today to discuss your marine oil pressure reducing valve needs. We offer competitive pricing, fast delivery, and reliable after-sales service. Let Shanghai Zhibang Valve be the solution for your critical pressure control applications.
Frequently Asked Questions (FAQ)
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Q: What is the working principle of this pressure reducing valve?
A: The valve reduces high inlet pressure to a stable lower outlet pressure using a spring-loaded diaphragm or piston. The set point can be adjusted by turning the adjusting screw. -
Q: Can it be used for other fluids besides oil?
A: Yes, it is suitable for hydraulic fluids, lubricating oils, and fuel oils. For other media, please consult our engineers for compatibility. -
Q: Does the valve come with a pressure gauge connection?
A: A pressure gauge tapping port is optional and can be added upon request for monitoring downstream pressure. -
Q: What flange standards are available?
A: We can supply flanges according to GB, ANSI, DIN, JIS, or other standards as required. Please specify when ordering. -
Q: What is the maximum working temperature?
A: Standard design is suitable for oil temperatures up to 350°C. For higher temperatures, special materials are available. -
Q: How long is the delivery time?
A: Typical delivery for standard sizes is 15–30 days after order confirmation. Custom orders may take longer. -
Q: Do you provide test certificates?
A: Yes, we provide material test reports, hydrostatic test certificates, and ISO9001 quality documentation. -
Q: Can I order a sample before bulk purchase?
A: Certainly. We accept sample orders, and the cost can be deducted from future bulk orders.
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