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Marine Butterfly Valve For Shipbuilding Seawater Cooling Systems, CuNi Alloy Disc
Product Spotlights
Marine-grade butterfly valve with a CuNi alloy disc for superior corrosion resistance in seawater cooling systems. Features robust construction, bubble-tight sealing, low operating torque, and compact design. Available in sizes DN50-DN600 with multiple connection and actuation options. Enhances system reliability, reduces lifecycle costs, and is built to international standards for global marine applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Application:
Other, Shipbuilding Seawater Cooling Systems
Standard:
ISO 5752, API 609, DIN, JIS
Material:
CuNi Alloy Disc, Cast Iron/Cast Steel Body
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Application
Other, Shipbuilding Seawater Cooling Systems
Standard
ISO 5752, API 609, DIN, JIS
Material
CuNi Alloy Disc, Cast Iron/Cast Steel Body
Connection Type
Wafer, Lug, Flanged
Operation Type
Lever, Gear, Electric Actuator
Size Range
DN50 to DN600 (2“ to 24“)
Pressure Rating
PN10/PN16, Class 150
Seat Material
EPDM, NBR, PTFE
Temperature Range
-20°C to 120°C
As a professional valve manufacturer with ISO9001 certification, Shanghai Zhibang Valve is dedicated to providing high-performance fluid control solutions for the global marine industry. Our Marine Butterfly Valve, specifically engineered for demanding seawater cooling systems onboard ships, represents our commitment to quality and reliability. The core of its superior corrosion resistance lies in the CuNi (Copper-Nickel) alloy disc, a material chosen for its exceptional performance in harsh saline environments. This valve is designed to ensure long-term, maintenance-free operation, directly contributing to the operational efficiency and safety of your vessels. We understand the critical nature of cooling systems, and our product is built to withstand the challenges of the sea.
Key Features and Technical Specifications:
- Superior Corrosion Resistance: The CuNi alloy disc offers outstanding resistance to seawater, biofouling, and erosion, significantly extending the valve's service life compared to standard materials.
- Robust Construction: The valve body is typically manufactured from durable cast iron or cast steel, with various coating options available for enhanced protection.
- Bubble-Tight Shut-off: Features a precision-machined disc and a resilient seat (EPDM, NBR, or PTFE) to ensure reliable, leak-proof sealing even under fluctuating pressures.
- Low Operating Torque: The streamlined disc design minimizes flow resistance and reduces the torque required for operation, allowing for easier manual handling or smaller actuator sizing.
- Versatile Actuation: Available with lever, gearbox, or electric/pneumatic actuator options to suit different automation and control requirements onboard.
- Compact & Lightweight Design: The wafer or lug-type design saves space and weight, which is a crucial advantage in shipbuilding where every kilogram counts.
- Easy Installation & Maintenance: Simple design allows for quick installation between pipe flanges and easy in-line maintenance without removing the entire valve body.
Technical Data Table:
| Parameter | Specification |
|---|---|
| Disc Material | CuNi Alloy (e.g., UNS C70600) |
| Body Material | Cast Iron, Ductile Iron, Cast Steel, Stainless Steel |
| Size Range (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating | PN10, PN16, Class 150 |
| Seat Material | EPDM, NBR, PTFE (Standard), Others available |
| Temperature Range | -20°C to 120°C (Depends on seat material) |
| Connection Standard | ISO 5752, ANSI, DIN, JIS, BS |
| Operation | Lever, Gear, Electric/Pneumatic Actuator (Optional) |
Benefits for Your Operations:
- Enhanced System Reliability: Reduces the risk of unexpected failure in critical cooling circuits, minimizing vessel downtime.
- Reduced Lifecycle Cost: The durable CuNi disc lowers replacement frequency and maintenance expenses.
- Improved Safety: Reliable sealing prevents seawater leakage, protecting electrical systems and cargo.
- Design Flexibility: Multiple size, pressure, and actuation options allow for perfect integration into new builds or retrofit projects.
- Global Compliance: Manufactured to meet international marine and industrial standards, facilitating worldwide installation.
Backed by our ISO9001 certified manufacturing processes and an annual export value demonstrating our global reach, Shanghai Zhibang Valve stands as a reliable partner for shipbuilders and ship operators worldwide. Our products are shipped from major ports like Shanghai and Guangzhou, ensuring timely delivery to your project sites across North America, Europe, Asia, and beyond. Choosing our Marine Butterfly Valve means investing in a component built for endurance, backed by a manufacturer committed to quality. Contact us today to discuss your specific requirements and receive a competitive quotation.
Frequently Asked Questions (FAQ):
-
Q: Why is CuNi alloy specifically recommended for seawater applications?
A: Copper-Nickel alloys, like the one used in our disc, are renowned for their excellent corrosion resistance in seawater. They resist biofouling (marine growth) and have good erosion resistance, making them a preferred and reliable material for marine valves handling seawater. -
Q: Can this valve be used with fluids other than seawater?
A: Yes. While optimized for seawater, this valve is suitable for various other corrosive media, including brackish water, certain chemicals, and oils. The compatibility depends on the specific seat and body materials selected. Please consult our technical team for your specific media. -
Q: What is the difference between wafer and lug-type body designs?
A: A wafer-style valve is installed between two pipe flanges using long bolts. A lug-style valve has threaded inserts (lugs) on both sides, allowing it to be bolted directly to each flange, which can be beneficial for end-of-line service or system disassembly. -
Q: Do you provide valves with actuators?
A: Yes. We offer a complete package. The valve can be supplied with electric, pneumatic, or hydraulic actuators based on your system's control and automation needs. The actuator specification can be customized upon request. -
Q: What is the typical delivery lead time for these valves?
A: Lead time varies based on order quantity, size, and configuration. Standard models and sizes often have shorter lead times. We provide estimated delivery schedules upon order confirmation to help you plan your project timeline. -
Q: Are spare parts like seats and seals readily available?
A: Absolutely. We maintain an inventory of common spare parts. Using genuine Zhibang spare parts ensures optimal performance and maintains the valve's warranty. Parts kits can be ordered alongside the valve for maintenance readiness. -
Q: What standards do your marine butterfly valves conform to?
A> Our valves are manufactured according to recognized international standards such as ISO 5752 for face-to-face dimensions, and API 609 for design. They can be produced to meet other specific standards like DIN, JIS, or BS as required by the project. -
Q: How do I select the correct seat material (EPDM, NBR, PTFE)?
A: The choice depends on the fluid temperature and chemical compatibility. EPDM is good for hot water; NBR is suitable for oils and fuels at moderate temperatures; PTFE offers a wide chemical resistance and temperature range. Our technical data sheet provides detailed guidance.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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