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Shanghai Zhibang Valve Manufacture Co., Ltd., a professional valve manufacturer established in 2016, specializes in providing robust and reliable fluid control solutions for demanding offshore and marine environments. Our API 6D Marine Ball Valve solutions are engineered specifically for critical applications on Floating Production Storage and Offloading (FPSO) units and Liquefied Natural Gas (LNG) carriers. These valves are designed to ensure safe, efficient, and long-lasting performance under the harsh conditions of marine operations, offering peace of mind and operational continuity for your projects.
Our commitment to quality is backed by our ISO9001 certification, and we serve a global clientele across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value ranging between US$1 Million and US$1.5 Million. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to your location.
Core Product Features & Technical Specifications:
- API 6D Compliance: Designed and manufactured in accordance with API Specification 6D for pipeline valves, ensuring adherence to industry standards for design, materials, testing, and performance in pipeline service.
- Marine-Grade Construction: Built to withstand the corrosive saltwater environment, high pressures, and dynamic loads typical of offshore and LNG shipping applications.
- Versatile Material Options: Available in materials such as carbon steel and stainless steel to suit specific service media (e.g., crude oil, LNG, process fluids) and corrosion resistance requirements.
- Broad Size & Pressure Range: We offer valves in a comprehensive size range from 1/2 inch to 24 inch, with pressure ratings covering ASME Classes from 150 up to 2500, accommodating various pipeline diameters and system pressures.
- Robust Connection Designs: Standard configurations include flanged ends for easy installation and maintenance, as well as welded ends for permanent, leak-free connections in critical piping.
- Extended Temperature Performance: Suitable for operating temperatures from -20°C to 200°C, capable of handling the cryogenic conditions associated with LNG as well as higher temperature process flows.
- Enhanced Safety Features: Options include fire-safe designs that maintain sealing integrity in emergency situations, and specialized anti-corrosion coatings (e.g., epoxy, galvanization) for extended service life in aggressive environments.
- Reliable Sealing Mechanism: The ball valve design provides excellent shut-off capability with low torque operation, minimizing the risk of leaks and ensuring easy actuation even after long periods of inactivity.
Key Technical Parameters Table:
| Parameter | Typical Range / Specification |
| Design Standard | API Specification 6D |
| Primary Applications | FPSO (Oil/Gas), LNG Carrier Systems |
| Valve Type | Ball Valve (Full Port, Standard Port) |
| Body Materials | A216 WCB, A351 CF8/CF8M, Other Grades Available |
| Size Range (Nominal) | 1/2" - 24" (DN15 - DN600) |
| Pressure Class (ASME) | Class 150, 300, 600, 900, 1500, 2500 |
| End Connection | Flanged (RF, RTJ), Welded (Butt Weld) |
| Temperature Range | -20°C to +200°C (Extended ranges customizable) |
| Fire Safe Option | Available (API 6FA / ISO 10497 principles) |
| Operation | Manual (Handwheel, Gear), Pneumatic, Electric Actuation |
Benefits for Your Operations:
- Enhanced System Safety & Integrity: Compliance with API 6D and optional fire-safe features contribute to overall plant safety, protecting assets and personnel.
- Reduced Maintenance & Downtime: The durable construction and reliable sealing minimize leaks and failures, leading to lower maintenance costs and increased operational uptime.
- Flexibility in Project Design: The wide range of sizes, pressures, materials, and end connections allows engineers to select the optimal valve for specific points in their FPSO or LNG carrier piping systems.
- Long Service Life in Harsh Conditions: Marine-grade materials and protective treatments ensure the valves resist corrosion and wear, providing a long lifecycle even in challenging offshore environments.
- Global Supply Chain Support: With our established export channels and multiple shipment ports, we can reliably supply valves to your project sites worldwide, supporting your international operations.
Choosing Shanghai Zhibang means partnering with a dedicated manufacturer whose quality system is ISO9001 certified. Our growing annual export value and presence in markets from North America to Southeast Asia and Africa demonstrate our capability to meet the stringent demands of global marine and offshore industries. We understand the critical nature of valves on FPSOs and LNG carriers, where failure can have significant consequences. Our valves are built to perform reliably, ensuring the smooth and safe transfer and processing of hydrocarbons. For your next marine project requiring dependable API 6D ball valves, contact us to discuss your specifications and benefit from our manufacturing expertise and global logistics support.
Frequently Asked Questions (FAQ):
Q1: What does "API 6D" mean for these ball valves?
A: API 6D is a specification published by the American Petroleum Institute for pipeline valves. It defines requirements for design, materials, manufacturing, testing, and marking. Valves conforming to API 6D are recognized for their suitability in pipeline service, including offshore applications, ensuring a standardized level of quality and performance.
Q2: Are these valves suitable for cryogenic service like LNG?
A: Yes. Our valves are designed with materials and internal components suitable for a temperature range that includes cryogenic conditions. Specific material selections (e.g., certain stainless steels) and design considerations can be applied for LNG service to ensure proper operation at very low temperatures.
Q3: Can you provide valves with fire-safe certification?
A: We can offer valves designed with fire-safe features based on industry standards such as API 6FA or ISO 10497. The exact certification can be discussed based on your project requirements. Fire-safe designs aim to maintain sealing integrity for a specified time under fire conditions.
Q4: What materials are typically used for FPSO applications?
A: For FPSO applications handling crude oil, seawater, or process fluids, common body materials include carbon steel (e.g., A216 WCB) for general service and stainless steel (e.g., A351 CF8M) for more corrosive environments. The final material selection depends on the specific fluid properties and operating conditions.
Q5: Do you offer actuation options beyond manual operation?
A> Yes. While manual operation (handwheel or gearbox) is standard, we can also provide valves equipped for pneumatic (air) or electric actuation. This allows for remote operation and integration into automated control systems, which is common on modern FPSOs and carriers.
Q6: What is the typical delivery lead time for these valves?
A: Lead time depends on the valve size, material, configuration, and order quantity. Standard configurations may have shorter lead times, while customized valves require more time for manufacturing. We work efficiently from our Shanghai base and utilize multiple shipment ports to optimize delivery schedules.
Q7: How do you ensure quality control for such critical applications?
A: Our manufacturing process operates under an ISO9001 quality management system. This involves controlled procedures from material sourcing, machining, assembly, to testing. Valves undergo pressure tests, functional tests, and other inspections as per API 6D and customer specifications to ensure they meet performance standards.
Q8: Can you supply valves according to other international standards besides API?
A: While our core design aligns with API 6D, we can accommodate requirements referencing other standards such as ASME, ISO, or specific national standards. Many of the fundamental design principles are similar across standards. We discuss all applicable standards during the project specification phase.
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