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As a professional manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance fluid control solutions for demanding applications. Our Marine Explosion Proof Electric Butterfly Valve is engineered specifically for the critical task of isolating cargo lines on tankers and other marine vessels operating in potentially explosive atmospheres. This valve combines robust construction, reliable electric actuation, and certified explosion-proof design to ensure safe, efficient, and dependable operation in the challenging marine environment, protecting both your assets and personnel.
The core value of this valve lies in its ability to provide a secure shut-off point in cargo transfer systems, where the risk of flammable vapor release is present. It is a vital component for enhancing operational safety and compliance with international maritime regulations. Manufactured under our ISO9001-certified quality management system, each valve undergoes rigorous testing to guarantee performance and durability, meeting the expectations of our global clientele across North America, South America, Europe, Asia, Africa, and Oceania.
Key Features & Technical Advantages:
- Certified Explosion-Proof Design: The integrated electric actuator features a specially designed enclosure that prevents internal sparks or excessive heat from igniting surrounding flammable gases, making it suitable for Zone 1 and Zone 2 hazardous areas on tankers.
- Robust Construction for Marine Use: The valve body is typically constructed from corrosion-resistant materials like cast steel with protective coatings or stainless steel (optional), ensuring long-term reliability against saltwater exposure and harsh weather conditions.
- Reliable Electric Actuation: Equipped with an electric actuator for automated, remote operation. This allows for precise flow control and quick isolation from a safe distance, which is crucial during emergency shutdown procedures or routine operations.
- Excellent Sealing Performance: Utilizes high-quality seat materials such as PTFE or EPDM, providing bubble-tight shut-off to prevent cargo leakage, essential for environmental protection and cargo preservation.
- Low Maintenance & High Durability: The simple, streamlined design of the butterfly valve minimizes moving parts prone to wear. The robust construction ensures a long service life with minimal maintenance, reducing total cost of ownership.
- Flexible Configuration: Available in various connection types (wafer, lug, flanged) and a wide range of nominal diameters to fit different pipeline specifications onboard. Customizations are available upon request.
Technical Specifications:
| Parameter | Specification / Option |
|---|---|
| Valve Type | Centric Butterfly Valve |
| Actuation Method | Electric (Explosion-Proof Enclosure) |
| Nominal Diameter (DN) | DN50, DN80, DN100, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600 |
| Pressure Rating (PN) | PN10, PN16 (Higher ratings customizable) |
| Body Material | Cast Steel (WCB), Ductile Iron, Stainless Steel (CF8/CF8M) |
| Disc Material | Stainless Steel, Coated Carbon Steel |
| Seat Material | PTFE, EPDM, NBR, Viton (Optional) |
| Connection Type | Wafer, Lug, Double Flanged |
| Operating Temperature | -20°C to +150°C (Depends on seat material) |
| Control Signal (Optional) | 4-20mA, 0-10V, Switch Signal |
| Protection Class | IP67 (Actuator), Higher ratings available |
Benefits for Your Operations:
- Enhanced Safety: The explosion-proof design significantly reduces the risk of ignition in hazardous zones, safeguarding crew, vessel, and cargo.
- Operational Efficiency: Electric actuation enables integration into central control systems (DCS/SCADA), allowing for automated, rapid response and reducing manual labor.
- Leak Prevention: High-integrity sealing ensures zero leakage during isolation, preventing product loss and environmental contamination.
- Corrosion Resistance: Materials selected for marine duty resist corrosion from seawater and cargo, ensuring longevity and reliability.
- Global Compliance: Designed to meet common international standards for marine applications, facilitating smoother vessel certification processes.
Frequently Asked Questions (FAQ):
-
Q: What specific explosion-proof standards does this valve comply with?
A: The electric actuator is housed in an enclosure designed to meet common explosion-proof principles for electrical apparatus in hazardous atmospheres. Specific certification details (e.g., ATEX, IECEx) can be provided upon request based on project requirements. -
Q: Can this valve be used for both liquid and gas cargo lines?
A: Yes, it is suitable for isolating pipelines carrying various liquid and gaseous cargoes, provided the selected seat and body materials are compatible with the medium's chemical properties and temperature. -
Q: What is the lead time for standard sizes?
A: For standard configurations within our DN50-DN600 range, typical lead times are competitive. We advise consulting our sales team for the most accurate schedule based on current order volume. -
Q: Do you provide custom valve solutions for non-standard applications?
A: Absolutely. As a manufacturer, we offer customization options including special materials, extended temperature ranges, different pressure classes, and specific actuator control features to meet unique project specifications. -
Q: How does the electric actuator perform in low-temperature environments?
A: The actuator is designed for a standard operating temperature range. For applications in extremely low temperatures, special lubricants and optional heating elements can be considered. Please discuss your environmental conditions with our engineers. -
Q: What kind of maintenance does this valve require?
A: Maintenance requirements are minimal. Periodic checks of the actuator's operation and lubrication (if applicable) are recommended. The robust seat and disc design typically offer a long service life before any major intervention is needed. -
Q: From which ports can you ship?
A: We primarily ship from major Chinese ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring flexible and efficient logistics for our global customers. -
Q: Is your company certified for quality management?
A: Yes, Shanghai Zhibang Valve Manufacture Co., Ltd. operates under an ISO9001 Quality Management System, which governs our design, production, testing, and servicing processes to ensure consistent product quality.
Backed by our ISO9001 certification and nearly a decade of manufacturing expertise since 2016, Shanghai Zhibang Valve has established itself as a reliable partner for marine and industrial valve needs. With an annual export value reflecting consistent global trust from markets across North and South America, Europe, Asia, Africa, and Oceania, our products are proven in diverse and demanding applications. This Marine Explosion Proof Electric Butterfly Valve embodies our commitment to safety, quality, and performance. It is engineered not just to meet specifications, but to provide peace of mind for your cargo operations at sea.
Choosing our valve means investing in a solution that prioritizes safety through its explosion-proof design, enhances efficiency via electric automation, and delivers durability with its marine-grade construction. We invite you to contact our team to discuss your specific tanker cargo line isolation requirements, request detailed specifications, or obtain a competitive quotation. Let us provide you with a valve solution you can rely on.
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