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Help CenterCarbon Steel CCS Certified Marine Check Valve For Fuel Oil System DN15-DN200 PN1.6-6.4MPa Flanged
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CCS Certified Carbon Steel Marine Check Valve, specifically engineered for fuel oil systems in demanding marine environments. With over 8 years of valve manufacturing experience and a solid track record of exporting to global markets (including North America, Europe, and Southeast Asia), we deliver reliable one-way flow control solutions that meet stringent industry standards. This check valve is designed to prevent backflow in fuel oil pipelines, ensuring operational safety and efficiency for vessels and offshore installations.
Our flanged check valve range covers sizes from DN15 to DN200 and pressure ratings from PN1.6 to PN6.4 MPa, offering flexibility for various piping specifications. The valve body is made of high-quality carbon steel (WCB/WCC), providing excellent strength and corrosion resistance in aggressive fuel oil media. Every unit is CCS certified (China Classification Society), guaranteeing compliance with international marine safety regulations. Combined with our ISO9001:2015 quality management system, you can trust the durability and performance of this product.
Key Features & Technical Specifications
- Robust Construction: Carbon steel body with stainless steel trim (disc, seat) for extended service life.
- Disc Type Options: Swing check or lift check design available per application requirements.
- Flanged Ends: Raised face (RF) or flat face (FF) according to ASME B16.5 / DIN standards.
- Pressure Range: Suitable for low to medium pressure fuel oil systems (PN1.6 – PN6.4 MPa / 150 – 600 LB).
- Temperature Range: -20°C to +120°C (standard); higher temperature options on request.
- Leakage Test: Hydrostatic shell test 1.5×PN, seat test 1.1×PN, zero leakage guaranteed.
- Actuation: Standard manual flanged; spring-loaded or counterweight options available upon request.
- Certifications: CCS type approval, ISO9001:2015, and can be customized for DNV, GL, or ABS upon request.
Technical Parameters (Reference Table)
| Parameter | Value / Range |
|---|---|
| Size (DN) | 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200 |
| Pressure Rating (PN) | 1.6, 2.5, 4.0, 6.4 MPa |
| Body Material | ASTM A216 WCB / WCC |
| Disc / Seat Material | SS304 / SS316 / F6a (Stellite overlay optional) |
| Flange Standard | ASME B16.5, EN 1092-1, GB/T 9113 |
| Design Standard | API 6D, BS 1868, GB/T 12236 |
| Test Standard | API 598 / ISO 5208 |
Why Choose Our Marine Check Valve?
- 100% Factory Tested: Each valve undergoes rigorous shell and pressure testing before shipment.
- Fuel Oil System Optimized: Specially designed disc and seat materials resist corrosion from HFO, MDO, and lubricating oils.
- Compact & Lightweight: Reduced face-to-face dimensions save installation space in engine rooms.
- Easy Maintenance: Simple disassembly for cleaning or replacement of internals.
- Custom Solutions: Different trim materials, extended bonnets, or special coatings available for unusual media.
- Global Logistics: Shipped from Shanghai, Guangzhou, Hong Kong, or Beijing – fast delivery worldwide.
Trust & Reliability from Shanghai Zhibang Valve
Since our establishment in 2016, we have built a reputation for providing quality valves to the marine and industrial sectors. Our annual export value ranges from US$1 Million to US$1.5 Million, and our products are trusted by clients in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. We maintain strict ISO9001:2015 quality control throughout the manufacturing process – from raw material inspection to final packaging. Our dedicated team ensures short lead times, competitive pricing, and excellent after-sales support.
Whether you need a standard DN200 PN6.4 check valve or a custom variant with special trim, we invite you to contact us for a quotation or technical consultation. Choose Shanghai Zhibang Valve – your reliable partner in marine piping solutions.
Frequently Asked Questions (FAQ)
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Q: Is this check valve suitable for both fuel oil and water service?
A: Yes, the standard design is suitable for fuel oil, but it can also handle water, air, and other neutral fluids. For aggressive or high‑temperature media, we recommend selecting appropriate trim materials. -
Q: What are the available flange standards?
A: We offer flanges per ASME B16.5 (Class 150/300/600), EN 1092-1 (PN16/25/40/64), and GB/T 9113. Other standards (JIS, KS) are available upon request. -
Q: Do you provide a spring‑loaded version to prevent water hammer?
A: Yes, spring‑assisted check valves and silent check valve designs are available as customization options. Please specify your requirement when ordering. -
Q: How can I get the CCS certificate for my order?
A: Our standard valves are already CCS type‑approved. We include the CCS certificate with each shipment. For additional classification society approvals (DNV, ABS, LR), we can coordinate with third‑party inspectors at extra cost. -
Q: What is the typical lead time for a DN100 PN4.0 valve?
A: For standard sizes and materials, lead time is 15–20 working days. Larger quantities or customized orders may require 25–30 days. We ship via sea or air from Shanghai port. -
Q: Are these valves supplied with a test report?
A: Yes, every valve comes with a hydrostatic test report and material certificate. Additional NDT (X‑ray, dye penetrant) reports can be provided on request. -
Q: Can the valve be installed in a vertical pipeline?
A: Swing check valves are generally recommended for horizontal installation. However, lift check valves can be used in vertical lines with upward flow. Please consult our technical team for proper orientation. -
Q: What is your warranty policy?
A: We offer a 12‑month warranty from the date of shipment against manufacturing defects. Extended warranty options are available for bulk orders.
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