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Help CenterDirect Factory Supply Marine Floating Ball Valve Full Bore, With 12-Month Warranty and Technical Support Available
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As a professional manufacturer specializing in industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium Direct Factory Supply Marine Floating Ball Valve, Full Bore. Engineered for demanding marine and offshore applications, this valve represents our commitment to delivering reliable, high-performance flow control solutions directly from our production floor to your project site. With an annual export value reflecting our global reach and a foundation built on ISO9001 certified quality management, we ensure every valve meets the rigorous standards required for safe and efficient operation at sea. Our direct supply model allows us to offer exceptional value, comprehensive technical support, and a solid 12-month warranty, making us a trusted partner for shipbuilders, offshore platform operators, and marine engineering firms worldwide.
Our Marine Floating Ball Valve is designed to provide superior sealing and unrestricted flow in critical piping systems. The full bore design ensures minimal pressure drop and allows for easy passage of pigging devices, which is crucial for pipeline maintenance. The valve's robust construction is tailored to withstand harsh marine environments, including exposure to saltwater, variable pressures, and corrosive media.
- Advanced Floating Ball Design: The ball is not fixed to the stem, allowing it to float slightly under pressure. This movement presses the ball against the downstream seat, creating a reliable, pressure-assisted seal that enhances performance, especially in high-pressure scenarios.
- Superior Sealing System: Equipped with spring-loaded PTFE or reinforced seats, the valve maintains a tight seal even under low-pressure conditions or if the line pressure fluctuates. This design compensates for wear and thermal expansion, ensuring long-term leak-tight operation.
- Robust Construction Materials: Available in a range of materials including CF8M (316 stainless steel), WCB carbon steel, and other specialized alloys to combat corrosion from seawater, chemicals, and crude oil. All materials are selected based on industry standards for marine service.
- Versatile Actuation Options: While supplied as a standard manual valve with a lever or wrench operation, it can be easily fitted with pneumatic, electric, or hydraulic actuators for remote or automated control, integrating seamlessly into modern shipboard control systems.
- Fire-Safe Design Available: Optional fire-safe models are available, featuring metal-seated secondary seals that maintain functionality in the event of a fire, a critical safety feature for offshore and marine applications.
- Easy Maintenance & Installation: The top-entry or side-entry body design allows for easy in-line inspection and maintenance of internal components without removing the entire valve from the pipeline, reducing downtime and maintenance costs.
Beyond its physical attributes, this valve delivers significant operational benefits:
- Unobstructed Flow: The full port minimizes turbulence and pressure loss, improving system efficiency and reducing pumping energy costs.
- High Reliability: The simple yet effective floating ball mechanism offers dependable on/off control with a quarter-turn operation, crucial for emergency shutdown situations.
- Long Service Life: High-quality materials and precision machining result in excellent wear resistance, extending the valve's lifespan even in continuous service.
- Global Compliance: Manufactured in a facility with ISO9001 certification, our production processes ensure consistency and quality. Valves can be produced to meet major international standards such as API, ANSI, DIN, JIS, and GB.
To help you specify the correct valve for your application, here are some typical technical parameters:
| Parameter | Specification / Option |
|---|---|
| Size Range | DN15 (1/2") to DN300 (12") |
| Pressure Rating | PN10, PN16, PN25, PN40 / ANSI 150, 300 |
| Body Material | Stainless Steel 304/316, Carbon Steel WCB, Duplex Steel, Alloy 20 |
| Ball & Stem Material | Stainless Steel, Chrome Plated, with optional coatings |
| Seat Material | PTFE, Reinforced PTFE (RPTFE), PEEK, Metal (for fire-safe) |
| Connection Ends | Flanged (RF, RTJ), Threaded (NPT, BSPT/BSPP), Butt Weld |
| Temperature Range | -20°C to +200°C (with PTFE seats), higher ranges available with alternative seats |
| Operation | Lever, Gear Operator, Pneumatic Actuator, Electric Actuator |
Choosing Shanghai Zhibang means partnering with an established manufacturer whose products are trusted across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export volume of US$1-1.5 million is a testament to the consistent quality and reliability we deliver to a diverse global clientele. Sourcing directly from our factory in Shanghai eliminates intermediaries, ensuring you receive a competitively priced product without compromising on quality or service. Our dedicated technical support team is available to assist with selection, installation, and troubleshooting, backed by a clear 12-month warranty for your peace of mind. With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we offer flexible and efficient logistics to meet your project timelines anywhere in the world. Contact us today to discuss your requirements and experience the Zhibang advantage in marine valve solutions.
Frequently Asked Questions (FAQ)
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Q: What is the main advantage of a "floating" ball design compared to a "trunnion mounted" ball valve?
A: The floating ball design utilizes line pressure to enhance the seal—the ball is pushed against the downstream seat, creating a tighter seal as pressure increases. This makes it a cost-effective and highly reliable choice for many marine applications with moderate to high pressures, whereas trunnion-mounted designs are typically used for very high pressures and larger diameters. -
Q: Can this full bore marine ball valve be used for seawater service?
A: Absolutely. We recommend specifying a body and trim material with high corrosion resistance, such as 316 stainless steel or duplex stainless steel, to handle the chlorides and other corrosive elements in seawater effectively. -
Q: Is the 12-month warranty valid internationally?
A: Yes, our 12-month warranty from the date of shipment is valid for all our customers worldwide. It covers defects in material and workmanship under normal use and service conditions. -
Q: Do you provide valves with specific certifications for offshore projects (e.g., API, NORSOK, DNV)?
A: We manufacture valves in an ISO9001 certified facility and can produce valves to meet various international standards including API 6D, API 607/6FA for fire-safe requirements. Specific certifications like DNV-GL or NORSOK can be arranged upon request. Please provide your detailed specification for a precise quote. -
Q: What is the lead time for an order of these valves?
A: Lead times vary based on specification, quantity, and material availability. For standard materials and sizes, we typically have shorter lead times. We provide accurate lead time estimates with every quotation to help you plan your project schedule. -
Q: Can the valve be equipped with an actuator for automated control?
A: Yes, our floating ball valves are designed to be easily fitted with a wide range of pneumatic (double-acting or spring-return) and electric actuators. We can supply the valve as a complete package with your chosen actuator, pre-assembled and tested. -
Q: What maintenance is required for these valves in marine service?
A: These valves are designed for low maintenance. Periodic operational checks and visual inspections for external corrosion are recommended. The top-entry design allows for seat and seal replacement with the valve in the line, significantly simplifying maintenance procedures. -
Q: How do I determine the correct pressure rating (PN vs. ANSI) and size for my application?
A: Our technical support team is ready to assist you. Please provide details such as the fluid media, operating pressure and temperature, pipe size and standard, and any specific project requirements. We will recommend the most suitable configuration.
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