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Help CenterElectric Actuated Marine Butterfly Valve For Shipbuilding, 24V DC/IP67 Waterproof
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As a professional manufacturer specializing in industrial valve solutions since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our Electric Actuated Marine Butterfly Valve. Engineered specifically for the demanding environments of shipbuilding and marine applications, this valve combines robust construction with precise electric actuation for reliable flow control in critical onboard systems. Our extensive experience exporting to global markets, including North America, Europe, and Southeast Asia, has informed the design of this product to meet international standards and the rigorous needs of marine engineers.
This valve is designed to offer a dependable and efficient solution for controlling seawater, ballast, cooling water, fuel oil, and other fluid lines on various vessels. The integration of a 24V DC electric actuator with an IP67 waterproof enclosure makes it an ideal choice for spaces where moisture, salt spray, and wash-downs are constant challenges. We understand that reliability at sea is non-negotiable, which is why each valve undergoes stringent quality checks under our ISO9001 certified manufacturing system before shipment from major ports like Shanghai and Guangzhou.
Core Product Features & Technical Advantages:
- Marine-Grade Construction: The valve body is typically crafted from corrosion-resistant materials like ductile iron with epoxy coating or stainless steel (A351 CF8/CF8M) to withstand harsh marine atmospheres and corrosive media.
- 24V DC Electric Actuation: Operates on a safe and commonly available 24V DC power supply, suitable for vessel electrical systems. The actuator provides quick and precise opening/closing, enabling remote operation from the control room.
- IP67 Waterproof Protection: The actuator housing is sealed to IP67 standards, offering complete protection against dust ingress and temporary immersion in water up to 1 meter for 30 minutes, ensuring operation in wet and humid environments.
- Versatile Control Options: Available in simple On/Off (switch control) models or with modulating control (4-20mA or 0-10V feedback) for precise flow regulation, integrating seamlessly with ship automation systems.
- Low Maintenance Design: The butterfly valve design offers a compact profile with fewer moving parts compared to other valve types. The seat is easily replaceable, minimizing downtime and maintenance costs over the vessel's lifecycle.
- Fail-Safe Options: Models are available with spring-return (fail-safe open or closed) or battery backup features, ensuring the valve moves to a predetermined safe position in case of power loss, a critical safety feature for marine applications.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Valve Size Range | DN50 to DN600 (2" to 24") |
| Pressure Rating | PN10, PN16, PN25 (150LB, 300LB optional) |
| Actuator Voltage | 24V DC (12V DC or 110/220V AC optional) |
| Protection Class | IP67 (Actuator), IP68 optional for valve body |
| Operating Time | Typically 15-60 seconds for 90° rotation (depends on size) |
| Ambient Temperature | -20°C to +60°C (Actuator) |
| Connection Standard | ISO 5211 mounting pad, Flanges per ISO, ANSI, JIS, DIN |
| Manual Override | Integrated handwheel or declutchable manual operation |
| Position Indicator | Visual mechanical indicator and optional limit switches |
Benefits for Shipyards and Vessel Operators:
- Enhanced System Reliability: Automated control reduces human error and ensures consistent valve operation, contributing to overall system safety and efficiency.
- Space and Weight Savings: The compact design of the butterfly valve, combined with the integrated electric actuator, saves valuable space and weight compared to traditional gate valves with separate actuators.
- Reduced Operational Costs: Remote operation eliminates the need for manual valve operation in hard-to-reach or hazardous areas, saving labor and time. The durable construction leads to a long service life with minimal maintenance.
- Improved Integration: The electric actuator can be easily integrated with existing shipboard control and monitoring systems (PMS, SCADA), allowing for centralized control and status monitoring.
- Compliance Support: Manufactured under an ISO9001 quality management system, our valves are produced with traceability and consistency, supporting shipyards in meeting classification society requirements (materials certificates available upon request).
Trust in Shanghai Zhibang Valve is built on a foundation of over eight years of dedicated manufacturing and a proven export track record, with annual export values consistently reaching between US$1 Million and US$1.5 Million. Our products are trusted by partners across diverse maritime markets from Northern Europe to Oceania. This Electric Actuated Marine Butterfly Valve embodies our commitment to providing robust, reliable, and technologically appropriate solutions for the global shipbuilding industry. We invite you to contact us to discuss your specific project requirements, whether for newbuild vessels or retrofit projects, and experience the Zhibang advantage in marine valve technology.
Frequently Asked Questions (FAQ):
Q1: Why is a 24V DC power supply commonly specified for marine actuators?
A: 24V DC is a standard and safe voltage level on many vessels, especially for control circuits. It presents a lower risk of severe electrical shock in wet environments compared to higher AC voltages and is readily available from shipboard power systems or UPS units.
Q2: Can this valve be used for both seawater and fuel oil services?
A: Yes, but the sealing material must be selected appropriately. We offer different seat materials like EPDM for general water services (including seawater) and NBR or PTFE for hydrocarbon-based fluids like fuel oil. The specific media should be confirmed during the selection process.
Q3: What does the IP67 rating mean for the actuator in practical terms?
A: The IP67 rating guarantees that the actuator is dust-tight (first digit '6') and can withstand temporary immersion in water up to 1 meter deep for 30 minutes (second digit '7'). This makes it suitable for locations exposed to wash-downs, splashing, or occasional flooding.
Q4: Is local manual operation possible if the electric power fails?
A: Absolutely. Our actuators come standard with an integrated manual override, typically a handwheel. This allows crew members to operate the valve manually during power outages or for maintenance purposes without requiring special tools.
Q5: Do you provide valves with different flange standards to match existing piping?
A: Yes. We can supply valves with flanges conforming to major international standards such as ANSI, JIS, DIN, and ISO. Please specify your required flange standard, pressure class, and facing when inquiring.
Q6: What is the typical lead time for an order of these valves?
A: Lead times vary based on order quantity, size, and material specifications. For standard configurations, we generally aim for 4-6 weeks. We recommend contacting our sales team with your detailed requirements for an accurate production schedule.
Q7: Are these valves suitable for high-cycle applications (frequent opening/closing)?
A: The electric actuator and valve design are suitable for moderate cycling. For very high-cycle duties, we recommend discussing your specific cycle rate so we can suggest potential enhancements, such as specific limit switch configurations or heavy-duty actuator options.
Q8: What kind of documentation and certification do you provide with the valves?
A: Standard documentation includes a packing list, commercial invoice, and a general product certificate. Material Test Certificates (MTCs) conforming to EN 10204 3.1 can be provided upon request. Our manufacturing facility is ISO9001 certified.
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