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Help CenterCB/T4480 Marine Bronze Electric Actuated Ball Valve DN50 PN16
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Shanghai Zhibang Valve Manufacture Co., Ltd, established in 2016 with an annual export value of US$1–1.5 million, is proud to present the CB/T4480 Marine Bronze Electric Actuated Ball Valve DN50 PN16. As a professional manufacturer certified under ISO9001, we combine years of valve engineering expertise with a deep understanding of marine environments. This valve is designed to deliver reliable, corrosion-resistant flow control for demanding seawater, ballast, and cooling water systems on ships and offshore platforms. Its electric actuator ensures precise, remote operation, making it an ideal choice for modern marine automation.
The valve body is crafted from high-strength marine-grade bronze, offering excellent resistance to saltwater corrosion and biofouling. The electric actuator is compatible with standard 24V DC, 220V AC, or 380V AC power supplies, with optional feedback and positioner modules for integration into PLC systems. Each unit undergoes rigorous testing for pressure, leakage, and electrical continuity before shipment, ensuring compliance with CB/T4480 and international marine standards.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Valve Body Material | Marine Bronze (C95800 / equivalent) |
| Nominal Size | DN50 (2 inch) |
| Pressure Rating | PN16 (16 bar / 232 psi) |
| Connection Type | Flanged, Dimensions per CB/T4480 |
| Actuator Supply Voltage | 24V DC / 220V AC / 380V AC (customizable) |
| Actuator Torque | ≥ 50 Nm (applicable torque) |
| Protection Class | IP67 (standard), IP68 optional |
| Working Temperature | -20°C to +150°C (optional high-temp seat) |
Product Features & Benefits
- Superior Corrosion Resistance: Marine bronze withstands prolonged exposure to seawater, reducing maintenance frequency and extending service life.
- Precise Electric Actuation: The actuator provides smooth, accurate open/close or modulating control, with optional feedback for remote monitoring.
- Compact & Lightweight Design: Compared to cast iron or steel valves, bronze offers a lower weight, easing installation on ships and offshore structures.
- Full Bore Flow Path: Minimizes pressure drop and ensures high flow capacity, suitable for critical marine systems.
- Flexible Voltage Options: Available in 24V DC, 110V AC, 220V AC, 380V AC to match shipboard electrical systems.
- Manual Override: In case of power failure, the actuator includes a manual override handle for emergency operation.
- Low Leakage Rate: Meets Class VI shut-off requirements (per ISO 5208), ensuring tight sealing even under low pressure.
- Easy Integration: Standard 4-20 mA or 0-10 V control signal compatibility for PLC and DCS systems.
Our manufacturing facility in Shanghai follows strict ISO9001 quality management procedures. Each valve is individually tested for shell pressure, seat leakage, and electrical function. We also offer customization options such as special coatings, extended stem lengths, and alternative seat materials (e.g., PEEK, Nylon) to meet specific marine requirements.
With annual exports exceeding US$1 million, Shanghai Zhibang Valve has supplied to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are trusted by shipbuilders, repair yards, and marine engineering companies worldwide. We provide a standard 12-month warranty and responsive after-sales support, including spare parts availability.
Why choose our CB/T4480 Marine Bronze Electric Ball Valve? It combines proven marine bronze metallurgy, precise electric actuation, and rigorous quality control at a competitive price. Whether you are upgrading a new vessel or maintaining an existing fleet, this valve offers the reliability and performance required for long-term operation in harsh marine environments. Contact us today for a quotation or technical consultation.
Frequently Asked Questions (FAQ)
-
Q: What is the working pressure of this valve?
A: The valve is rated PN16, which corresponds to a maximum working pressure of 16 bar (232 psi) at ambient temperature. For higher temperatures, please consult our technical team for derating factors. -
Q: Can this valve be used for seawater?
A: Yes, the marine bronze body is specifically designed for seawater applications. It offers excellent resistance to saltwater corrosion and is commonly used in ballast, cooling, and fire-fighting systems on ships. -
Q: What voltage options are available for the electric actuator?
A: Standard options include 24V DC, 110V AC, 220V AC, and 380V AC (50/60 Hz). Other voltages are available on request. The actuator can also be configured with a positioner for modulating control. -
Q: Is the valve suitable for outdoor installation on a ship deck?
A: The standard actuator has IP67 protection (dust-tight and temporary immersion), making it suitable for deck installation. For more severe conditions, IP68 protection is available as an option. -
Q: Does this valve comply with international marine standards?
A: The valve is manufactured according to the Chinese marine standard CB/T4480, which is widely accepted in shipbuilding. It also meets the general requirements of ISO 7121 and API 6D for ball valves. We can provide a certificate of compliance upon request. -
Q: What is the lead time for this valve?
A: For standard models (DN50 PN16, bronze, electric actuator), the lead time is typically 15–25 working days, depending on quantity. Customized orders may require additional time. -
Q: Do you offer a warranty?
A: Yes, we provide a 12-month warranty from the date of shipment against defects in materials and workmanship. Extended warranty options are available for an additional cost. -
Q: Can I get a sample or small quantity for testing?
A: Yes, we accept small orders and sample requests. Please contact our sales team to discuss the details and shipping arrangements.
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