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Help CenterElectric Trunnion Ball Valve for Offshore Oil & Gas Platforms, API 6D, High-Cycle Durability
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As a leading manufacturer since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable flow control solutions for demanding industrial applications. Our Electric Trunnion Ball Valve, engineered specifically for offshore oil and gas platforms, represents our commitment to quality, durability, and performance in harsh environments. Designed and manufactured in compliance with API 6D standards, this valve combines the superior sealing capability of a trunnion-mounted ball with the precise control of an electric actuator, offering a dependable solution for critical isolation and control duties. With an annual export value demonstrating our global reach, we understand the stringent requirements of international markets and deliver products that meet those high expectations.
This valve is built to withstand the rigorous demands of offshore operations, where reliability is non-negotiable. The core of its design is the trunnion-mounted ball, which provides exceptional stability under high pressure and reduces operating torque, leading to longer service life for the seat and seals. Paired with a high-performance electric actuator, it enables remote operation, precise positioning, and seamless integration into automated control systems, enhancing both safety and operational efficiency on the platform.
Key Features & Technical Advantages:
- API 6D Compliance: Manufactured to the stringent API 6D specification for pipeline valves, ensuring design, material, and testing integrity for oil and gas service.
- High-Cycle Durability: Engineered for frequent operation with minimal wear. The low-friction seat materials and robust stem design contribute to an extended cycle life, reducing maintenance frequency and total cost of ownership.
- Superior Sealing Performance: Utilizes advanced seat designs (PTFE, reinforced PTFE, or metal) that provide bubble-tight sealing even after thousands of cycles, critical for preventing leaks in sensitive offshore environments.
- Fire-Safe Design (Optional): Available with fire-safe features per API 607/API 6FA standards, where the valve maintains sealing integrity in the event of a fire, a crucial safety aspect for offshore platforms.
- Corrosion Resistance: Body and trim materials, such as carbon steel with protective coatings or stainless steel, are selected to resist corrosion from seawater, produced fluids, and atmospheric conditions.
- Blowout-Proof Stem: The stem is designed to prevent ejection under pressure, adding an extra layer of operational safety.
Technical Specifications Overview:
| Parameter | Specification / Range |
| Size Range | 2" to 48" (DN50 to DN1200) |
| Pressure Class | Class 150, 300, 600, 900, 1500, 2500 (ANSI) |
| Temperature Range | -29°C to 200°C (-20°F to 392°F) standard; extended ranges available |
| Body Material | WCB, LCB, CF8M, Duplex Stainless Steel, other alloys upon request |
| Seat Material | PTFE, RPTFE, PEEK, Metal (Inconel, Stellite) |
| Electric Actuator | Multi-turn, output torque customizable, protection class IP67/IP68, input signals 4-20mA, 24-110V AC/DC |
| End Connection | RF Flange, RTJ Flange, Butt Weld, Socket Weld |
Benefits for Your Offshore Operation:
- Enhanced Safety: Remote electric actuation minimizes personnel exposure to hazardous areas. Fire-safe and blowout-proof features provide critical fail-safe protection.
- Reduced Operational Costs: High-cycle durability means fewer replacements and lower maintenance labor. The efficient actuator consumes power only during operation.
- Improved Process Control: Precise electric positioning allows for accurate flow regulation and easy integration with DCS/SCADA systems for automated platform management.
- Global Compliance & Support: Manufactured under an ISO9001-certified quality management system, our valves are trusted in markets worldwide, from North America and Europe to Southeast Asia and the Middle East.
Shanghai Zhibang's commitment to quality is backed by our ISO9001 certification and proven by our consistent export performance, serving clients across North America, South America, Europe, Asia, Africa, and Oceania. Our strategic location with multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing) ensures flexible and timely logistics. Choosing our Electric Trunnion Ball Valve means investing in a product built for longevity and reliability in the world's most challenging offshore environments. It is a solution designed not just to meet specifications, but to exceed operational expectations, safeguarding your assets and personnel. Contact us today to discuss how this valve can be tailored to your specific platform requirements and to request a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What is the main advantage of a trunnion-mounted ball design over a floating ball design for offshore use?
A: The trunnion design anchors the ball at the top and bottom, preventing seat load-induced deformation under high pressure. This results in lower operating torque, reduced seat wear, and significantly higher pressure ratings and cycle life, which is essential for the large-diameter, high-pressure lines common offshore. -
Q: Can this valve be used for subsea applications?
A: While specifically designed for offshore platform (topside) service, subsea applications require specialized designs with different material grades, sealing technology, and actuator housings rated for deep-water pressure. We offer subsea valve solutions; please inquire separately for those requirements. -
Q: What are the available electric actuator options and control signals?
A: We provide actuators from reputable manufacturers with torque outputs matched to valve size and pressure class. Standard features include on/off or modulating control, local manual override, position indication, and compatibility with common control signals like 4-20mA, 24V DC, or 110/220V AC. Explosion-proof (ATEX, IECEx) versions are available. -
Q: How is the "high-cycle durability" quantified or tested?
A: Our valves undergo rigorous cycle testing per relevant standards (often exceeding API 6D requirements) to validate seat and stem seal performance over thousands of open/close cycles under rated pressure. Specific cycle life data for different seat materials is available upon request. -
Q: Do you provide fire-safe certification for these valves?
A: Yes, fire-safe design is a key optional feature. Valves can be manufactured and tested to meet API 607/API 6FA or similar fire-test standards, ensuring they maintain sealing integrity during and after exposure to fire, which is a critical safety certification for offshore platforms. -
Q: What is the typical lead time for an order?
A: Lead time depends on valve size, material, pressure class, and actuator specifications. Standard configurations typically have shorter lead times. As an experienced manufacturer with an established supply chain, we work to provide competitive lead times and will furnish a detailed schedule upon order confirmation. -
Q: What post-sales support and warranty do you offer?
A: We provide comprehensive technical documentation, including dimensional drawings, manuals, and test reports. Our valves come with a standard warranty against defects in material and workmanship. Our global export experience means we can coordinate technical support and spare parts logistics to our key markets. -
Q: Can you customize the valve material for specific corrosive media (e.g., sour service, seawater)?
A: Absolutely. We offer a range of material options beyond standard carbon and stainless steel, including duplex and super duplex stainless steels, Inconel, and other corrosion-resistant alloys. Material selection is tailored based on your specific fluid composition, temperature, and pressure conditions.
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