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Help CenterMarine Explosion Proof Electric Butterfly Valve With ATEX Certification and 380V Power Supply
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As a specialized manufacturer with ISO9001 certification and over eight years of industry experience, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance Marine Explosion Proof Electric Butterfly Valve. Engineered specifically for demanding marine, offshore, and other hazardous environments, this valve integrates robust construction with certified safety features. It is designed to provide reliable flow control in applications where flammable gases, vapors, or dusts may be present, ensuring operational safety and compliance with international standards. Our commitment to quality and safety is reflected in every valve we produce, backed by an annual export value that demonstrates our global reach and customer trust across continents from North America to Oceania.
This valve is a critical component for systems requiring safe and dependable isolation or regulation of fluids. Its core value lies in the combination of explosion-proof certification and electric actuation, offering automated control without compromising safety in classified zones.
- Certified Safety for Hazardous Areas: The valve and its electric actuator are designed and certified according to ATEX directives for use in potentially explosive atmospheres. This certification is crucial for marine engine rooms, offshore platforms, chemical tankers, and processing plants where safety cannot be compromised.
- Robust Marine-Grade Construction: Built to withstand the harsh conditions of marine environments, including saltwater corrosion, vibration, and humidity. Key components are available in corrosion-resistant materials.
- Reliable Electric Actuation: The integrated electric actuator provides precise and quick opening/closing or modulating control. It is suitable for remote operation and integration into centralized control systems (DCS/SCADA), improving operational efficiency.
- Versatile Design and Configuration: Available in various sizes, connection types (wafer, lug, flanged), and material combinations to suit different media (water, seawater, oil, air) and pipeline specifications.
- Low Maintenance and Long Service Life: Features a simple yet durable design with a tight seal, ensuring minimal leakage and reduced downtime for maintenance.
The technical specifications and configuration options of our Marine Explosion Proof Electric Butterfly Valve are detailed below. This table provides a clear overview of standard and customizable parameters.
| Parameter | Specification / Options |
| Size Range (DN) | DN50 to DN600 (2" to 24") |
| Pressure Rating (PN) | PN10, PN16, PN25 |
| Body Material | Cast Iron (GG25), Ductile Iron (GGG40), Carbon Steel (WCB), Stainless Steel (CF8/CF8M) |
| Disc Material | Stainless Steel (304/316), Ductile Iron with Ni-plate or Epoxy Coating |
| Seat Material | EPDM (for water), NBR (for oil), Viton/FKM (for chemicals, high temp) |
| Stem Material | Stainless Steel (420/304/316) |
| Actuator Type | Explosion-Proof Electric Actuator (On/Off or Modulating) |
| Actuator Power Supply | Standard: 380V AC, 3-phase; Optional: 110V AC, 220V AC, 24V DC |
| Control Signal (Modulating) | 4-20mA, 0-10V, or other signals available |
| Protection Class | IP67 (Standard), IP68 (Optional for submerged applications) |
| Ambient Temperature Range | -20°C to +80°C (Standard), wider range available upon request |
| Manual Override | Integrated handwheel or detachable crank handle |
Choosing our valve brings distinct advantages to your project. The ATEX certification ensures regulatory compliance and mitigates explosion risks, protecting personnel and assets. The electric actuation enables automation, reducing manual labor and allowing for precise flow control, which can optimize process efficiency. The marine-grade materials and sealing enhance durability and reliability in corrosive environments, leading to lower total cost of ownership through extended service intervals and reduced failure rates. Furthermore, the valve's modular design allows for easier installation and potential future actuator upgrades or maintenance.
Shanghai Zhibang Valve operates from a strategic location in Shanghai, facilitating efficient logistics through major ports like Shanghai, Guangzhou, and Hong Kong. Our products have been successfully delivered to diverse markets including North America, South America, Europe, Southeast Asia, Africa, and the Middle East, demonstrating their global applicability and reliability. With ISO9001 quality management systems in place, we ensure consistent product quality from raw material inspection to final testing. Our annual export volume is a testament to the trust placed in us by international clients. For your next marine, offshore, or hazardous area project requiring certified and reliable flow control, our Marine Explosion Proof Electric Butterfly Valve offers a safe, efficient, and durable solution. Contact us today to discuss your specific requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What does ATEX certification mean for this valve?
A: ATEX certification indicates that the valve and its electric actuator are designed and tested to prevent ignition of surrounding explosive atmospheres. It is legally required for equipment operating in zones with risks from flammable gases, vapors, or dusts, commonly found in marine and industrial settings. -
Q: Can this valve be used for seawater applications?
A: Yes, it is suitable for seawater. We recommend selecting a body material like Ductile Iron with epoxy coating or Stainless Steel (316), along with a compatible seat material like EPDM, to ensure optimal corrosion resistance. -
Q: Is a 380V power supply mandatory?
A: While 380V AC 3-phase is the standard configuration for robust operation, other voltage options such as 220V AC, 110V AC, or 24V DC are available upon request to match your local power grid. -
Q: How is the valve controlled?
A: It can be controlled by simple on/off signals (for open/close function) or by analog modulating signals (like 4-20mA) for precise flow control. The actuator includes limit switches and torque protection. -
Q: What is the lead time for an order?
A: Lead time depends on the valve size, material specification, and quantity. Standard configurations typically have shorter lead times. We provide accurate delivery estimates upon order confirmation. -
Q: Do you provide installation and maintenance support?
A: We supply detailed installation manuals, dimensional drawings, and wiring diagrams. For complex projects, technical support is available. We also supply spare parts like seals and gaskets for maintenance. -
Q: Can the valve be customized for specific pressure or temperature conditions?
A: Yes. We can discuss customizations for higher pressure ratings, extreme temperatures, or specific chemical compatibilities based on your application details. -
Q: What warranty do you offer?
A: Our valves come with a standard warranty against manufacturing defects. The specific warranty period and terms are provided with the commercial contract.
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