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Help CenterStandard Compliant Marine Check Valve For Fuel Oil System Carbon Steel Body DN15-DN200 PN1.6-6.4MPa 1 Year Warranty
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Shanghai Zhibang Valve Manufacture Co., Ltd proudly presents our Standard Compliant Marine Check Valve, specifically engineered for fuel oil systems aboard vessels and offshore installations. With over 7 years of manufacturing experience and an annual export value of US$1–1.5 million, we deliver reliability and performance that global maritime operators trust. Our check valve features a carbon steel body, precision-machined internals, and full compliance with international marine standards, ensuring leak-free operation and long service life under demanding conditions. Whether you need a DN15 valve for auxiliary lines or a DN200 main fuel line unit, our offering covers DN15 to DN200 with pressure ratings from PN1.6 to PN6.4 MPa – all backed by a 1-year warranty.
Key Features & Benefits
- Robust Carbon Steel Body – Withstands high pressure and corrosive marine environments, providing extended service life and reduced maintenance costs.
- Full Range of Sizes (DN15–DN200) – Suitable for various fuel oil system piping, from small bypass lines to main engine feed lines.
- Pressure Rating PN1.6–6.4 MPa – Covers low to medium pressure applications commonly found in marine fuel systems.
- Standard Compliant Design – Manufactured according to recognized marine standards (e.g., ISO, GB, or equivalent), ensuring compatibility and safety.
- Reliable Sealing Mechanism – Internal disc/spring design ensures positive shut-off and prevents backflow, protecting pumps and equipment.
- Easy Installation & Maintenance – Available with flanged or threaded ends (customizable), and simple disassembly for inspection.
- 1-Year Warranty – Confidence in quality; our valves are rigorously tested before shipment.
Technical Specifications
| Parameter | Value |
|---|---|
| Body Material | Carbon Steel (WCB, WCC or equivalent) |
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200 |
| Pressure Rating | PN1.6, PN2.5, PN4.0, PN6.4 MPa |
| Operating Temperature | -20°C to +200°C (optional higher temp available) |
| End Connection | Flanged (RF/FF), Threaded (NPT/BSP), or Welded (custom) |
| Disc Type | Swing check / Lift check (optional) |
| Surface Coating | Anti-corrosion primer & marine-grade paint |
| Testing | Hydrostatic & air seat test per applicable standards |
Why Choose Shanghai Zhibang Valve?
Founded in 2016, we have grown into a reliable partner for marine valves worldwide. Our ISO9001 certified quality management system ensures every check valve meets stringent production and testing criteria. With an annual export value of US$1–1.5 million, we serve markets across North America, South America, Europe, Asia, Africa, Oceania, and the Middle East. Our conveniently located factory in Shanghai, China enables efficient logistics through multiple ports (Shanghai, Guangzhou, Hong Kong, Beijing). Each valve is individually inspected and pressure-tested before packaging, and our professional team provides prompt technical support. By choosing our marine check valve, you invest in dependable performance and peace of mind.
Frequently Asked Questions
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Q: Is this check valve suitable for heavy fuel oil (HFO)?
A: Yes, the carbon steel body and internal materials are compatible with HFO, diesel, and other petroleum-based fluids used in marine fuel systems. For higher viscosity applications, optional heating jackets are available. -
Q: Can I get a valve with a different pressure rating, e.g., PN10 or PN16?
A: Our standard range is PN1.6–PN6.4 MPa. Higher pressure ratings (e.g., PN10) are available as custom orders – please contact us with your requirements. -
Q: What is the typical lead time for DN100 and DN200 sizes?
A: For standard sizes (DN15–DN200), lead time is usually 7–15 working days depending on quantity. Rush orders can be arranged. -
Q: Does the valve come with a marine classification certificate?
A: We can provide a material certificate and test certificate. Classification society certificates (e.g., DNV, ABS, LR) are available upon request at additional cost. -
Q: Can the valve be installed vertically?
A: Yes, our swing check valves can be installed in both horizontal and vertical orientations (flow upward). For vertical downward flow, a spring-assisted lift check variant is recommended. -
Q: What warranty do you offer?
A: We offer a 1-year warranty against manufacturing defects. Extended warranty options are available. -
Q: Is the inside of the valve coated to prevent corrosion?
A: The interior is typically left uncoated for carbon steel valves used in oil systems, but anti-corrosion coating (e.g., epoxy) can be applied as an option. -
Q: How should I order? Do you have minimum order quantity (MOQ)?
A: MOQ is generally 1 piece for samples, but for mass production it can be negotiated. Please send us an inquiry with your required size, pressure, connection, and quantity.
We are committed to delivering quality marine valves that meet your exact specifications. With our ISO9001 certification, extensive export experience, and dedication to customer satisfaction, you can rely on Shanghai Zhibang Valve as your trusted partner. Contact us today for a quote or technical consultation – your fuel oil system deserves the best.
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