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Help CenterAudible Self Closing Valve for Marine Fuel Systems Cast Steel DN15 DN50 PN1.6 4.0MPa Flanged
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents the Audible Self Closing Valve for Marine Fuel Systems, designed to enhance the safety and reliability of fuel handling on vessels. As a specialized manufacturer since 2016, we have engineered this valve to provide an automatic shut-off function combined with a distinct audible alarm, ensuring immediate awareness of any fuel leakage or system failure. Crafted from high-quality cast steel and available in DN15 to DN50 sizes with PN1.6 or 4.0MPa pressure ratings, this flanged valve is built to withstand the demanding conditions of marine environments while delivering long-term performance.
Core Features & Technical Specifications
- Audible Alarm Mechanism: The valve emits a clear sound when fuel flow is automatically cut off, alerting crew members instantly to potential hazards.
- Self-Closing Function: Activated by abnormal pressure drops or flow surges, the valve closes autonomously to prevent fuel spills and fire risks.
- Robust Construction: Cast steel body ensures high strength and corrosion resistance, suitable for marine fuel systems handling diesel, heavy fuel oil, and other petroleum products.
- Flanged Connection: Standard flanged ends (DN15-DN50) allow easy installation into existing piping systems, compatible with PN16 and Class 150 flanges.
- Pressure Ratings: Available in PN1.6 (1.6 MPa) and 4.0 MPa options, covering typical low and medium pressure marine fuel applications.
- Temperature Range: Designed for standard marine fuel temperatures, with customizable options for higher or lower temperature requirements.
- Low Maintenance: Simple internal design with few moving parts reduces wear and simplifies periodic inspection.
Technical Parameters Table
| Parameter | Value |
| Material | Cast Steel (WCB / WCC) |
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50 |
| Pressure Rating | PN1.6 (1.6 MPa) / 4.0 MPa (Class 150 / 300 equivalent) |
| Connection Type | Flanged (RF / FF) |
| Operating Temperature | -20°C to +120°C (standard), customizable up to +250°C |
| Seal Material | PTFE / Graphite / Metal (optional) |
| Audible Alarm Level | ≥ 85 dB at 1 meter |
| Applicable Media | Diesel, Heavy Fuel Oil, Lubricating Oil, Water |
Benefits for Your Marine Operations
- Enhanced safety: automatic shut-off prevents fuel spills, reducing fire and environmental hazards.
- Immediate detection: audible alarm ensures crew can respond quickly to emergencies.
- Durable construction: cast steel body withstands harsh marine conditions, extending service life.
- Easy integration: flanged design fits standard marine piping systems, simplifying installation and replacement.
- Cost-effective: low maintenance requirements and long operational lifespan reduce total cost of ownership.
- Compliance: meets ISO9001 quality standards, supporting vessel safety certifications.
Why Choose Shanghai Zhibang Valve?
Since our establishment in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has grown into a reliable supplier of industrial valves, with an annual export value of US$1 million to US$1.5 million. Our products are shipped to major ports worldwide including Shanghai, Guangzhou, Hong Kong, and Beijing, and we serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. With ISO9001 certification, we adhere to rigorous quality control procedures, ensuring every valve meets stringent performance standards. Our experienced engineering team can also provide customized solutions to meet specific vessel requirements. Choose our Audible Self Closing Valve to safeguard your marine fuel systems with proven quality and global expertise.
Frequently Asked Questions (FAQ)
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Q: How does the audible self closing valve work?
A: The valve monitors fuel flow pressure. When a sudden drop or surge occurs (indicating a leak or rupture), the valve automatically closes and a built-in audible alarm sounds to alert personnel. -
Q: What types of marine fuel can this valve handle?
A: It is compatible with diesel, heavy fuel oil (HFO), marine gas oil (MGO), and other petroleum-based fuels. It can also be used for lubricating oil and water systems upon request. -
Q: Is the valve suitable for high-pressure applications?
A: Yes, the valve is available in PN1.6 (1.6 MPa) and 4.0 MPa pressure ratings. The 4.0 MPa version is suitable for medium-pressure systems. For higher pressures, please contact us for custom solutions. -
Q: Can the audible alarm be adjusted or silenced?
A: The alarm is factory-set to a minimum of 85 dB for safety. It cannot be silenced manually, but the valve can be reset after the fault is cleared. This ensures the alarm is always active when needed. -
Q: What maintenance is required for this valve?
A: Periodic inspection (every 6-12 months) is recommended to check for debris, corrosion, and seal wear. The valve's simple design makes maintenance straightforward. Replacement parts are available. -
Q: Are different flange standards available (e.g., ANSI, JIS)?
A: Yes, we offer flanges according to DIN (PN), ANSI (Class 150/300), and JIS standards. Please specify your requirement when ordering. -
Q: Does the valve come with a warranty?
A: Yes, each valve is covered by a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request. -
Q: How do I place an order or request a quote?
A: You can contact our sales team via email or phone. We typically respond within 24 hours. For bulk orders, we offer competitive pricing and fast delivery from our Shanghai warehouse.
For more information or to request a quotation, please reach out to Shanghai Zhibang Valve Manufacture Co., Ltd. We are committed to providing safe, reliable, and high-quality valves for your marine fuel systems.
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