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Help Center24V DC Marine Wafer Pneumatic Butterfly Valve With Solenoid, NBR Seat, GB/T3036-94
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As a professional manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance 24V DC Marine Wafer Pneumatic Butterfly Valve. Engineered specifically for demanding marine and offshore applications, this valve combines reliable pneumatic actuation with precise solenoid control to ensure safe and efficient fluid management in critical systems. Our commitment to quality, backed by ISO9001 certification, ensures every valve meets rigorous standards for durability and performance in harsh environments. With an annual export value reflecting our global reach, we deliver solutions trusted by clients across North America, Southeast Asia, Europe, and beyond.
This valve is designed to excel where reliability is non-negotiable. Its core construction and features address the common challenges faced in marine operations, such as corrosion, space constraints, and the need for fail-safe operation.
- Robust Marine-Grade Design: Built to withstand the corrosive effects of saltwater and harsh atmospheric conditions commonly encountered in marine and offshore environments. The materials and coatings are selected for maximum longevity.
- Compact Wafer Style Body: The wafer design allows for easy installation between pipeline flanges, saving significant space and weight compared to lug-style valves—a critical advantage in ship engine rooms and tight equipment layouts.
- Reliable 24V DC Solenoid Pilot: The integrated solenoid valve provides electrical control over the pneumatic actuator. The 24V DC power supply is a standard for marine electrical systems, ensuring compatibility and enhancing safety by using a lower voltage.
- Durable NBR Seat: The Nitrile Butadiene Rubber (NBR) seat offers excellent sealing performance for a wide range of media including water, air, oils, and fuels. It provides good resistance to abrasion and aging.
- Fail-Safe Options (Optional): The pneumatic actuator can be configured with spring-return mechanisms to provide fail-safe operation (normally open or normally closed), ensuring the valve moves to a predetermined safe position in case of power or air supply loss.
- Manual Override: A manual override feature is typically included, allowing for local operation and testing of the valve even without pneumatic or electrical power, which is essential for maintenance and emergency procedures.
The technical specifications of this valve are tailored for precise control and integration into marine control systems. Below is a summary of key parameters:
| Parameter | Specification / Description |
|---|---|
| Valve Body Design | Wafer type, conforming to GB/T3036-94 standard |
| Actuator Type | Double-acting or Spring-return Pneumatic Actuator |
| Control Signal | 24V DC Solenoid Valve (standard coil voltage) |
| Seat Material | Nitrile Rubber (NBR), suitable for temperatures up to ~80°C |
| Disc Material | Stainless Steel (common grades like CF8/304 or CF8M/316 available) |
| Shaft Seal | Multiple lip seals or O-rings for reliable stem sealing |
| Operating Pressure | Typical PN10/PN16 or Class 150, depending on size and configuration |
| Port Connection | Designed for installation between ANSI or DIN standard flanges |
For shipbuilders, system integrators, and marine equipment suppliers, the advantages of choosing this valve are clear. It translates directly into operational benefits:
- Enhanced System Safety: The combination of pneumatic power and low-voltage electrical control reduces fire and shock hazards. Optional fail-safe features provide an additional layer of protection for critical circuits like cooling, ballast, or fuel lines.
- Reduced Maintenance & Downtime: The durable NBR seat and corrosion-resistant materials minimize wear and the frequency of replacements. The simple design allows for easier inspection and servicing compared to more complex valve types.
- Simplified Installation & Integration: The wafer design and standard 24V DC control signal make it straightforward to install and connect to existing marine control panels and PLC systems, reducing engineering and commissioning time.
- Cost-Effective Automation: Provides a reliable automated valve solution at a competitive point, helping to automate manual processes on vessels and improve overall operational efficiency.
Shanghai Zhibang's decade of manufacturing expertise and ISO9001-certified quality management system stand behind every valve we produce. Our products reach global markets through major ports like Shanghai, Guangzhou, and Hong Kong, serving a diverse clientele from North America to Oceania. This specific marine butterfly valve embodies our understanding of the industry's needs—demanding environments require robust, reliable, and smartly designed components. We invite you to experience the difference that a professionally engineered valve can make for your marine applications. Contact us today to discuss your specifications, request a detailed quotation, or learn more about our full range of valve solutions tailored for the maritime sector.
Frequently Asked Questions (FAQ)
Q1: Is this valve suitable for seawater service?
A1: Yes, it is designed for marine applications. Key components like the disc are typically made from corrosion-resistant materials like stainless steel (e.g., 316SS). However, for full seawater immersion, specifying enhanced material grades or coatings is recommended.
Q2: What is the difference between "wafer" and "lug" style?
A2: A wafer-style valve is installed between two pipeline flanges using longer bolts that pass through both flanges and the valve. A lug-style valve has threaded inserts (lugs) allowing it to be bolted directly to each flange, which can support the pipeline weight. The wafer style is more compact and lighter.
Q3: Can I use this valve with other media like fuel oil or compressed air?
A3: Absolutely. The NBR seat has good compatibility with many oils, fuels, air, and water. Always confirm the chemical compatibility of the seat material with your specific media, especially for aggressive chemicals.
Q4: What does "GB/T3036-94" mean?
A4: This is a Chinese national standard that specifies the dimensions, technical requirements, and testing methods for metal butterfly valves. It ensures the valve's face-to-face dimensions and flange compatibility meet standardized specifications.
Q5: Do you offer different actuator options, like double-acting or spring-return?
A5: Yes. The standard configuration can be either. A double-acting actuator requires air pressure to move in both directions. A spring-return (single-acting) actuator uses air to move in one direction and a spring to return, providing the fail-safe function. This is customizable upon request.
Q6: What is the lead time for an order?
A6: Lead times vary based on order quantity, specific configuration, and current production schedule. Standard models may have shorter lead times. Please contact our sales team with your requirements for an accurate delivery estimate.
Q7: Can you provide valves with different electrical standards, like 110V AC?
A7: While 24V DC is standard for marine applications, solenoid coils with other voltages (e.g., 110V AC, 220V AC) are often available as an option. Please specify your required voltage when inquiring.
Q8: What kind of warranty or after-sales support do you provide?
A8: We provide a standard warranty against manufacturing defects. Our technical support team is available to assist with installation guidance, troubleshooting, and spare parts inquiries to ensure long-term, reliable operation.
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