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Help Center316 Stainless Steel Marine Ball Valve for FPSO, Fire-Safe Design, DN50-DN150
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As a dedicated manufacturer with a focus on precision engineering, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our specialized 316 Stainless Steel Marine Ball Valve, engineered specifically for the demanding environments of Floating Production Storage and Offloading (FPSO) units. Established in 2016 and backed by an ISO 9001 certified quality management system, we combine rigorous manufacturing standards with a deep understanding of offshore and marine applications. This valve is not just a component; it's a critical safeguard designed with an integrated fire-safe design to ensure operational integrity and personnel safety under extreme conditions. Trusted by partners across North America, Southeast Asia, Europe, and beyond, our valves are built to deliver reliable performance where failure is not an option.
The core of this valve's reliability lies in its construction from premium 316 stainless steel, offering superior resistance to pitting and crevice corrosion in chloride-rich marine atmospheres. The fire-safe design is a paramount feature, ensuring that in the event of a fire, the valve maintains a seal to prevent catastrophic fluid release, a non-negotiable requirement for FPSO safety protocols. Available in a practical size range from DN50 to DN150, it caters to a wide array of piping configurations on board.
Key Features & Technical Advantages:
- Superior Corrosion Resistance: 316 stainless steel composition provides excellent defense against saltwater, chemicals, and harsh offshore elements, ensuring a long service life and reducing maintenance frequency.
- Certified Fire-Safe Performance: Engineered to meet stringent fire-safe testing standards. The design incorporates secondary metal seals that engage to maintain sealing integrity even if the primary soft seals are compromised by fire.
- Robust & Leak-Proof Design: Features a fully welded or bolted body construction (depending on type) and advanced stem sealing technology to guarantee zero external leakage, protecting the environment and equipment.
- Versatile Actuation Options: Can be supplied as a standard manual valve with lever or gear operation, or easily fitted with pneumatic or electric actuators for remote and automated control within integrated FPSO systems.
- Low Torque & Easy Operation: The precision-machined ball and low-friction seats ensure smooth, quarter-turn operation with minimal effort, even after prolonged periods of inactivity.
- Broad Fluid Compatibility: Suitable for handling seawater, ballast water, crude oil, diesel, chemicals, and other process fluids commonly found on offshore vessels.
Technical Specifications Overview:
| Parameter | Specification / Option |
| Body Material | AISI 316 / 316L Stainless Steel |
| Size Range (Nominal Diameter) | DN50, DN65, DN80, DN100, DN125, DN150 |
| Pressure Rating | PN16 / PN25 / Class 150 / Class 300 (Specify) |
| Seat & Seal Material | PTFE, RPTFE, PPL, Metal (Fire-Safe) |
| End Connection | RF Flange, Threaded (NPT/BSP), Butt Weld |
| Fire-Safe Certification | Design compliant with API 607, API 6FA, ISO 10497 |
| Temperature Range | Standard: -20°C to +200°C; Extended ranges available |
| Operation | Lever, Gearbox, Pneumatic Actuator, Electric Actuator |
For our clients, this translates into tangible benefits: enhanced safety through reliable fire protection, reduced total cost of ownership via durability and low maintenance, operational flexibility with multiple configuration options, and global compliance for seamless integration into international offshore projects. Whether it's for critical hydrocarbon processing lines, utility water systems, or safety shutdown applications on an FPSO, this valve is engineered to perform.
Shanghai Zhibang Valve operates with a global vision, serving key markets from North America to Oceania. Our annual export value reflects a consistent commitment to quality and customer satisfaction. With major ports like Shanghai, Guangzhou, and Hong Kong as our shipment hubs, we ensure efficient and reliable logistics for your projects worldwide. Choosing our 316 Stainless Steel Marine Ball Valve means partnering with a certified manufacturer that understands the stakes of offshore operations. Let our expertise and proven product reliability be the foundation of your FPSO's fluid control system. Contact us today to discuss your specific requirements, request a detailed quotation, or explore customization options tailored to your project's unique demands.
Frequently Asked Questions (FAQ):
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What makes this valve "fire-safe" and is it certified?
Our fire-safe design includes secondary metal sealing surfaces. In a fire event, the primary soft seals may degrade, but the metal-to-metal seal engages to prevent major leakage. The valve is designed and manufactured to comply with the testing requirements of standards like API 607 and ISO 10497. Specific certification documentation is available upon request. - Why is 316 stainless steel preferred for marine valves over 304?316 stainless steel contains molybdenum, which significantly increases its resistance to chloride-induced pitting and crevice corrosion, common in saltwater environments. This makes it far more suitable and durable for offshore and marine applications compared to standard 304 stainless steel.
- Can this valve be used for services other than seawater, like crude oil or chemicals?Absolutely. The 316 SS material and compatible seal options (like PTFE or PPL) make it suitable for a wide range of media including crude oil, diesel, various chemicals, and process fluids found on FPSOs, provided the fluid compatibility with seat materials is confirmed for your specific service.
- What actuation methods do you offer, and can valves be pre-fitted with actuators?We offer a full range: manual operation with lever or gearbox for easier handling of larger sizes, as well as pneumatic (double-acting or spring-return) and electric actuators for automated control. Valves can be supplied as a complete, tested actuated package ready for installation.
- What is your standard pressure rating, and can you provide higher classes?Standard offerings typically include Class 150 and PN16/25. However, we can manufacture valves to higher pressure classes such as Class 300 or Class 600 based on your project specifications and requirements.
- Do you provide specific documentation like material test reports (MTRs) or inspection reports?Yes, as an ISO 9001 certified manufacturer, we maintain full traceability. Material test reports (MTRs) for the valve body and critical components, along with other inspection and test reports, can be provided to support your quality assurance and project documentation needs.
- What is the lead time for an order of DN100 valves with pneumatic actuators?Lead times vary based on order quantity, specific configuration, and current production schedule. Generally, for standard configured actuated packages, lead times are competitive. We provide accurate lead time estimates with every formal quotation.
- How do you ensure packaging for sea shipment to prevent corrosion during transit?We employ robust export packaging. Valves are thoroughly cleaned, dried, and coated with a vapor corrosion inhibitor (VCI). They are then sealed in plastic and packed in strong, weather-resistant wooden cases to ensure they arrive in perfect condition, even after long sea voyages.
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