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Help CenterRemote Controlled Electric Gate Valve for Marine Applications, GB/T Compliant
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As a specialized manufacturer with years of experience serving the global marine industry, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our advanced Remote Controlled Electric Gate Valve, engineered specifically for demanding marine and offshore applications. Designed to meet the rigorous GB/T standards, this valve combines robust construction with intelligent remote operation, offering shipbuilders, offshore platform operators, and port facility managers a reliable and efficient solution for critical flow control. Our commitment to quality, backed by ISO9001 certification, ensures every valve delivers consistent performance in harsh saltwater environments, reducing maintenance needs and enhancing operational safety.
This valve is engineered to address the unique challenges of marine operations, where accessibility, reliability, and corrosion resistance are paramount. The integration of electric actuation with remote control capability allows for centralized management of multiple valves from a safe and convenient location, such as the ship's control room or a shore-based monitoring station. This eliminates the need for manual operation in potentially hazardous or hard-to-reach areas, significantly improving crew safety and operational efficiency. The robust gate valve design ensures a tight, bubble-tight seal when closed, making it ideal for isolating sections of piping for maintenance or in emergency situations.
Core Technical Features & Advantages:
- Intelligent Remote Operation: Compatible with various control systems including PLC, DCS, and standalone remote units. Offers options for wired (4-20mA signal) or wireless (radio frequency) control, providing flexibility for different vessel layouts and retrofit projects.
- Marine-Grade Corrosion Protection: Body and critical components are treated with specialized marine-grade coatings (epoxy, zinc-nickel plating) or constructed from stainless steel alloys (316/316L) to withstand prolonged exposure to seawater, salt spray, and high humidity.
- Fail-Safe Functionality: The electric actuator can be configured with a fail-safe mode (spring return or battery backup) to automatically move the valve to a predetermined safe position (open or closed) in case of power loss, a critical feature for marine safety.
- High Torque Output & Precise Positioning: The integrated electric actuator provides high torque for reliable operation against high differential pressures. It allows for precise open/close positioning and can include limit switches and position feedback (potentiometer or encoder) for accurate valve status indication.
- Low Maintenance Design: Sealed actuator housing (IP67/IP68 rating available) protects internal components. Self-lubricating stem bushings and high-quality seat materials reduce wear and extend service intervals, lowering total cost of ownership.
- Versatile Power Options: Available in multiple voltage configurations (24VDC, 110VAC, 220VAC, 380VAC) to match the electrical systems of different vessels, from small boats to large cargo ships and offshore platforms.
Detailed Technical Specifications:
| Parameter | Specification / Options |
| Design Standard | GB/T (Chinese National Standard), can be designed to other standards upon request |
| Valve Size (DN) | DN50, DN65, DN80, DN100, DN150, DN200, DN250, DN300, DN350, DN400, DN500 |
| Pressure Rating (PN) | PN10, PN16, PN25, PN40 (Higher ratings customizable) |
| Body Material | WCB Cast Steel, CF8/CF8M Stainless Steel, Ductile Iron, Bronze |
| Seat & Seal Material | Stainless Steel, Stellite, PTFE, EPDM, NBR (for different media) |
| Stem Material | Stainless Steel (410/304/316) |
| Actuator Protection | IP65 (Standard), IP67, IP68 (Optional for submerged service) |
| Control Signal | On/Off (Standard), 4-20mA Modulating (Optional), Wireless RF |
| Ambient Temp. Range | -20°C to +70°C (Extended range available) |
Benefits for Your Marine Operations:
- Enhanced Safety: Remote operation keeps personnel away from high-pressure lines and hazardous locations. Fail-safe features ensure system integrity during emergencies.
- Operational Efficiency: Rapid opening/closing from a central control point saves time and labor. Integrated status feedback allows for real-time monitoring of the entire piping system.
- Reduced Lifecycle Cost: Durable materials and corrosion-resistant design minimize repair frequency and replacement needs. Predictive maintenance is easier with diagnostic feedback.
- System Integration: Easily interfaces with existing ship automation systems (IAS) or can be part of a new automated valve control network.
- Regulatory Compliance: Manufactured to GB/T standards, providing assurance of quality and performance consistency, which is valued in many international marine projects.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of an electric remote-controlled valve over a manual one on a ship?
A: The primary advantages are safety and efficiency. It allows valves to be operated from the bridge or control room, eliminating the need for crew to access remote, cramped, or dangerous parts of the ship. It also enables faster system isolation and integration with automated control systems. -
Q: Can this valve be used with seawater directly?
A: Yes, when ordered with appropriate corrosion-resistant materials like 316 stainless steel body and marine-grade seals, it is specifically designed to handle seawater, ballast water, and other corrosive marine fluids. -
Q: How does the wireless remote control option work, and what is its range?
A: The wireless option uses industrial-grade radio frequency (RF) technology. The typical effective range on a vessel can be up to 100-200 meters line-of-sight, but it can be affected by the ship's metal structure. A site survey is recommended for complex installations. -
Q: What happens if there is a power failure on the ship?
A: Our valves can be equipped with a fail-safe actuator. In a power failure, a built-in spring (or backup battery system) automatically drives the valve to a pre-set safe position (fully open or fully closed) as required by your system design. -
Q: Are these valves suitable for high-pressure fuel oil or hydraulic lines?
A> Absolutely. By specifying the correct pressure rating (PN) and seat/stem materials (like Stellite hard-faced seats), these valves are well-suited for high-pressure services including fuel oil, lube oil, and hydraulic systems onboard. -
Q: Do you provide customization for specific project requirements?
A: Yes, as a manufacturer, we offer extensive customization. This includes special coatings, extended stem lengths for insulated lines, different flange standards (JIS, ANSI), unique voltage requirements, and integration with specific control protocols. -
Q: What is the lead time for an order?
A: Lead time depends on the specification and quantity. For standard configurations, it is typically 4-6 weeks. We maintain efficient production processes and offer flexible shipment options from major ports like Shanghai, Guangzhou, and Hong Kong to ensure timely delivery. -
Q: How does GB/T compliance benefit international buyers?
A: GB/T is a comprehensive and respected national standard. Compliance demonstrates a high level of manufacturing quality control and product consistency. Many international engineering firms and shipyards recognize GB/T, especially for projects involving Chinese-built vessels or components, ensuring reliability and simplifying the approval process.
Trust in a product backed by a manufacturer with a proven global track record. Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, exports to diverse markets across North America, Europe, Asia, Africa, and Oceania, with an annual export value demonstrating our capacity and reliability. Our ISO9001-certified quality management system underpins every stage of production, from material sourcing to final testing. This Remote Controlled Electric Gate Valve embodies our commitment to providing marine engineers with durable, smart, and compliant solutions. For your next newbuild, retrofit, or repair project, choose a valve that delivers performance where it matters most. Contact us today to discuss your specific requirements, request a detailed quotation, or arrange for product samples.
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