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Help CenterWafer Check Valve for Marine Fuel Oil Piping, Ideal for Fuel Transfer and Engine Feed Lines
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Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer of industrial valves since 2016, with annual export value exceeding US$1 Million and serving global markets including North America, Europe, Southeast Asia, and Oceania. Our Wafer Check Valve for Marine Fuel Oil Piping is specifically engineered to deliver reliable backflow prevention in fuel transfer and engine feed lines, ensuring the safety and efficiency of marine fuel systems. With a compact wafer design and robust materials, this valve is the ideal choice for shipbuilders, offshore platforms, and marine retrofit projects.
Key Features & Technical Specifications
- Compact Wafer Design – Fits between flanges without additional supports, saving space and weight in crowded piping systems.
- Durable Materials – Available in cast steel, stainless steel, or bronze to withstand corrosive marine fuel oils and harsh environments.
- Low Pressure Drop – Optimized disc design minimizes flow resistance, maintaining fuel transfer efficiency.
- Quick Closure – Spring-assisted or gravity-assisted disc ensures rapid sealing to prevent reverse flow and protect pumps.
- High Temperature Resistance – Suitable for fuel oil temperatures up to 150°C (customizable for higher).
- Easy Installation – No special tools required; centers between standard flanges (ANSI/DIN/BS).
| Parameter | Specification |
| Size Range | DN50 – DN600 (2" – 24") |
| Pressure Rating | PN10 – PN40 / Class 150 – 300 |
| Design Standard | API 594, API 6D, BS 1868 |
| End Connection | Wafer Type (Between Flanges) |
| Body Material | Cast Steel / SS304 / SS316 / Bronze |
| Disc Material | Stainless Steel / Duplex / Coated |
| Seal Material | PTFE / Metal-to-Metal / Viton |
| Operating Temperature | -20°C to +150°C (customizable up to 250°C) |
Advantages for Marine Fuel Oil Systems
- Protects Fuel Pumps – Prevents reverse flow damage caused by pressure surges during engine shutdown or transfer operations.
- Reduces Maintenance – Fewer moving parts and corrosion-resistant materials lower the need for frequent replacements.
- Enhances Safety – Eliminates risk of fuel backflow into supply tanks, reducing fire hazards and contamination.
- Compatible with Fuel Types – Suitable for HFO, MDO, MGO, and biodiesel blends.
Frequently Asked Questions (FAQ)
Q1: Can this valve be used for both fuel transfer and engine feed lines?
A: Yes, the wafer check valve is designed for both applications. Its low pressure drop and quick closure make it suitable for continuous fuel transfer as well as engine feed lines where backflow prevention is critical.
Q2: What materials are available for corrosive fuel environments?
A: We offer stainless steel (SS304, SS316) and duplex alloys for high corrosion resistance. Bronze is also available for seawater-exposed systems. All materials are tested for marine fuel oil compatibility.
Q3: Is the valve suitable for high-viscosity fuels like HFO?
A: Yes, the valve’s design allows for easy flow of viscous fluids. We recommend using a spring-assisted disc to ensure proper closing even with heavy fuel oil. Optional heated jacket versions are available.
Q4: What is the installation orientation?
A: The wafer check valve can be installed in horizontal or vertical pipelines (flow direction upward). For vertical installations with heavy fluids, a spring-assisted model is recommended.
Q5: Do you provide certificates of material and pressure test?
A: Yes, we provide material certificates (EN 10204 3.1) and hydrostatic test reports upon request. Our ISO9001 quality system ensures full traceability.
Q6: Can you customize the valve for specific flange standards?
A: Absolutely. We can produce valves to match ANSI B16.5, DIN 2501, BS 4504, or JIS flange standards. Please specify your requirement when ordering.
Q7: What is the lead time for standard sizes?
A: For standard DN50-DN200 sizes, lead time is typically 15-25 days. Larger sizes or custom materials may require 30-45 days. We ship from Shanghai, Guangzhou, Hong Kong, or Beijing.
Why Choose Shanghai Zhibang Valve? As a manufacturer with ISO9001 certification and over 8 years of export experience, we have supplied wafer check valves to marine clients in North America, Europe, Middle East, and Southeast Asia. Our annual export value of US$1-1.5 Million reflects our commitment to quality and competitive pricing. Every valve is tested for pressure and sealing before shipment. We offer OEM/ODM services, and our technical team is ready to assist with selection and installation. Contact us today for a quote or sample – we are your reliable partner for marine fuel oil valves.
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