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Help CenterFor Ship Fuel Oil Systems Marine Check Valve DN15-DN200 Carbon Steel Flanged Marine Engineering
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Shanghai Zhibang Valve Manufacture Co., Ltd, established in 2016 with an annual export value of US$1–1.5 million, proudly presents our For Ship Fuel Oil Systems Marine Check Valve in carbon steel with flanged ends, covering DN15 to DN200. Designed specifically for marine fuel oil systems, this check valve ensures reliable backflow prevention, safeguarding critical piping networks on vessels. Manufactured under ISO9001 quality management standards, each valve undergoes rigorous testing to deliver leak-tight performance and long service life in harsh marine environments.
Key Features & Benefits
- Durable Carbon Steel Construction – Resists corrosion and withstands high-pressure marine fuel oil applications.
- Flanged Connection – Easy installation and maintenance; compatible with standard marine pipeline flanges.
- Wide Size Range DN15–DN200 – Suitable for various flow requirements from small auxiliary lines to main fuel supply circuits.
- Reliable Sealing – Precision-machined seat and disc ensure positive shut-off, preventing backflow and protecting pumps, filters, and injectors.
- Compliance with Marine Standards – Designed to withstand vibration, temperature fluctuations, and aggressive fuel oil properties common in ship systems.
- Customizable Options – Available in different pressure ratings (PN10/PN16/PN25) and disc types (swing or lift) upon request.
Technical Specifications
| Parameter | Value |
| Material | Carbon Steel (WCB) |
| Connection | Flanged (RF/FF available) |
| Size Range | DN15 to DN200 (1/2" to 8") |
| Pressure Rating | PN10 / PN16 / PN25 (optional) |
| Working Temperature | -20°C to +200°C |
| Media | Fuel Oil, Diesel, Heavy Oil, etc. |
| Design Standard | API 6D / BS 1868 (equivalent) |
Why Choose Shanghai Zhibang Valve?
Our marine check valve is the result of years of specialized manufacturing experience for the shipbuilding industry. We use high-grade carbon steel castings and advanced machining centers to ensure consistent quality across every unit. The flanged design simplifies field installation and reduces downtime during maintenance. For vessel operators, this means fewer unexpected failures, lower operational costs, and enhanced safety for the entire fuel oil system.
Applications
- Ship fuel oil supply and return lines
- Main engine and auxiliary engine fuel systems
- Fuel oil transfer and purifying systems
- Boiler fuel oil circuits
- Offshore platform fuel handling systems
Trust & Reliability
As a manufacturer with an annual export value exceeding US$1 million, Shanghai Zhibang Valve has supplied check valves to clients in over 20 countries and regions, including North America, Europe, Southeast Asia, and the Middle East. Our ISO9001 certification ensures a robust quality control system from raw material inspection to final pressure testing. All valves are individually tested before shipment. We offer flexible shipping via Shanghai, Guangzhou, Hongkong, or Beijing ports, with lead times typically within 30–45 days. Contact us today for a quote or technical consultation—your marine fuel system deserves a reliable partner.
Frequently Asked Questions
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Q: Can this check valve be used with heavy fuel oil (HFO)?
A: Yes, the carbon steel construction and standard seal materials are compatible with HFO up to 200°C. For higher temperatures, alternative sealing options are available upon request. -
Q: What pressure ratings are available?
A: Standard options are PN10, PN16, and PN25. Custom pressure ratings (e.g., Class 150/300) can be accommodated with a design review. -
Q: Is the valve supplied with a test certificate?
A: Yes, each valve comes with a hydrostatic test certificate and material traceability reports as per ISO9001 requirements. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 1 piece for small sizes, but can vary by size and quantity. Please contact our sales team for details. -
Q: Can you provide flanges to match specific standards (JIS, DIN, ANSI)?
A: Yes, we offer flanges according to standard dimensions (ANSI B16.5, DIN, JIS) and drilling patterns. Please specify your requirement when ordering. -
Q: How long is the warranty period?
A: We offer a standard 12-month warranty from the date of shipment against manufacturing defects. Extended warranty options are negotiable. -
Q: Do you provide installation guidance?
A: Yes, we include installation and maintenance instructions with each valve. Our technical team is also available for remote support. -
Q: What are the packaging and shipping methods?
A: Valves are packed in wooden crates or cartons suitable for sea freight. We can ship via FOB Shanghai/Guangzhou/Hongkong/Beijing or CIF terms as agreed.
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