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Help CenterMarine Check Valve For Fuel Oil System CCS Certified Carbon Steel Flanged PN1.6-6.4MPa DN15-DN200
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Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer of industrial valves since 2016. Our Marine Check Valve for Fuel Oil System is designed to meet the rigorous demands of the maritime industry. Featuring a robust carbon steel body, flanged ends, and pressure ratings from PN1.6 to PN6.4 MPa in sizes DN15 to DN200, this valve offers reliable backflow prevention for fuel oil systems. Certified by CCS (China Classification Society) and manufactured under ISO9001 quality management, it ensures safety and durability in harsh marine environments. With annual export value exceeding USD 1 million and shipments to global markets including North America, Europe, and Asia, our check valves are chosen by shipbuilders and operators worldwide.
Key Features & Technical Specifications
- Material Excellence: Constructed from high-grade carbon steel, offering excellent strength and corrosion resistance for fuel oil applications.
- Flanged Connection: Standard flanged ends (available in various standards such as GB/T, JB, HG, ANSI, DIN upon request) ensure easy installation and secure sealing.
- Wide Pressure & Size Range: Suitable for PN1.6 to PN6.4 MPa and sizes DN15 to DN200, covering most fuel oil line requirements.
- CCS Certification: Each valve is type-approved by China Classification Society, guaranteeing compliance with strict maritime safety regulations.
- Reliable Sealing: Precision-machined disc and seat provide tight shut-off, preventing backflow and protecting downstream equipment.
- Durable Design: Simple swing-type mechanism with minimal moving parts reduces maintenance and extends service life in continuous operation.
- Customizable Options: Available with different end connections, facing finishes, and material combinations (e.g., stainless steel internals) upon request.
Technical Parameters (Standard Version)
| Parameter | Details |
|---|---|
| Body Material | Carbon Steel (WCB, WCC, etc.) |
| Trim Material | 13Cr, SS304, or SS316 (optional) |
| Pressure Rating | PN1.6 / PN2.5 / PN4.0 / PN6.4 |
| Size Range | DN15 – DN200 |
| Flange Standard | GB/T, JB, HG, ANSI B16.5, DIN (optional) |
| Design Standard | According to GB/T 12236, API 602 or equivalent |
| Testing Standard | API 598, GB/T 13927 |
| Applicable Temperature | -20°C ~ +350°C (depending on material selection) |
Advantages for Your Fuel Oil System:
- Enhanced Safety: CCS certification ensures the valve meets strict marine requirements for fire safety and leak prevention.
- Extended Service Life: Carbon steel body with protective coating resists corrosion from fuel oil and saltwater environment.
- Low Maintenance: Swing check design with minimal moving parts reduces wear and tear, lowering total cost of ownership.
- Easy Installation: Flanged ends allow quick bolting to existing pipeline systems, saving time during installation or retrofitting.
- Flexible Sizing: Wide range of diameters and pressure classes means one supplier can satisfy diverse system requirements.
Why Choose Shanghai Zhibang Valve?
Since our establishment in 2016, we have dedicated ourselves to producing high-performance industrial valves. Our Marine Check Valves are backed by ISO9001 quality management system and CCS type approval. With an annual export value of US$1–1.5 million, we supply to over 20 countries across North America, South America, Europe, Africa, Asia, and Oceania. Our products are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring fast delivery worldwide. Every valve undergoes rigorous pressure and leakage testing before shipment, giving you confidence in reliability. Contact us today for a quotation or technical consultation – we are committed to providing cost-effective solutions without compromising quality.
Frequently Asked Questions (FAQ)
Q1: Can this check valve be used for other media besides fuel oil?
A1: Yes, the valve is suitable for various liquid and gaseous media compatible with carbon steel, such as water, steam, and non-corrosive oils. For special applications, material upgrades (e.g., stainless steel trim) are available upon request.
Q2: What is the maximum working temperature for this valve?
A2: Standard carbon steel construction can typically handle temperatures from -20°C up to +350°C, depending on the trim and gasket materials. Please consult our technical team for your specific temperature requirements.
Q3: Does the valve come with a CCS certificate?
A3: Yes, each valve is CCS certified. We provide a copy of the CCS type approval certificate and material test reports (MTR) with every shipment.
Q4: Can you supply flanges matching ANSI standards?
A4: Absolutely. While our default flanges follow Chinese GB/T standards, we can supply ANSI B16.5 Class 150/300/600 flanges, as well as DIN, JIS, and other international standards. Please specify your requirements when ordering.
Q5: What is the lead time for bulk orders?
A5: For standard sizes (DN15-DN200) in common pressure ratings, lead time is approximately 15-25 working days after confirmation. Custom specifications may require 30-40 working days. Please contact our sales team for precise scheduling.
Q6: Do you provide spare parts or repair kits?
A6: Yes, we offer replacement discs, seats, gaskets, and hinge pins separately. We can also supply complete maintenance kits for easy on-site repairs.
Q7: How does your valve ensure no backflow under low pressure?
A7: The swing check disc operates with a low cracking pressure (typically ≤0.05 MPa) and features a gravity-assisted closing mechanism. For vertical installations, a spring-loaded version is available to ensure prompt sealing.
Q8: Is the valve suitable for offshore or corrosive environments?
A8: Our marine check valve is designed for fuel oil systems onboard ships and offshore platforms. For enhanced corrosion resistance, we recommend optional stainless steel internals or special coatings (e.g., epoxy, zinc-rich). Please discuss your environment with our engineers.
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