
In modern shipbuilding and offshore engineering, the performance of valves directly impacts the safety and efficiency of systems. The Marine Centerline Flanged Butterfly Valve is a key fluid control device, chosen for its reliability, durability, and ease of maintenance. This article provides a detailed introduction to the valve’s design features, application scenarios, and maintenance advantages, helping you fully understand its value.
Product Overview
The Marine Centerline Flanged Butterfly Valve is a centerline lug butterfly valve, featuring:
- Centerline Design: The valve seat is centered, ensuring even stress on the disc during opening and closing, extending valve lifespan.
- Flanged Connection: Standard flange interface for easy installation, compatible with various piping systems.
- Multiple Sizes Available: Suitable for DN32~1200mm diameters, pressure ratings of 5K, 10K, 16K, 150Lb, PN6, PN10, PN16, PN25.
- Versatile Operation: Can be manually, pneumatically, or electrically operated to meet different automation requirements.
This valve is designed for strength, sealing performance, and optimized fluid dynamics, making it ideal for ship cooling systems, seawater pipelines, fire-fighting systems, and industrial liquid pipelines.
Key Advantages
1. High Reliability

The centerline lug structure ensures uniform stress on the disc under high pressure, reducing valve seat wear. Made of corrosion-resistant materials, it withstands marine environments, salt spray, and humidity, ensuring long-term stable operation.
2. Easy Maintenance
- Quick disassembly design allows valve maintenance without removing the pipeline.
- Replaceable valve seats reduce long-term maintenance costs.
- Supports remote operation and automation for improved convenience.
3. Optimized Fluid Control
- Disc design follows fluid dynamics principles to reduce resistance and energy consumption.
- Adjustable opening angles allow precise flow control for efficiency and energy savings.
- Suitable for both low- and high-temperature media, adaptable to various industrial environments.
Application Scenarios
The Marine Centerline Flanged Butterfly Valve is widely used in:
- Ship Systems: Cooling water systems, fuel pipelines, ballast water systems.
- Offshore Engineering: Platform liquid transfer, fire-fighting system control.
- Industrial Pipelines: Chemical, metallurgical, and municipal water treatment systems.
- Energy Industry: Offshore wind power, nuclear, and thermal power plant liquid pipelines.
Whether in harsh marine conditions or complex industrial pipelines, this valve demonstrates excellent reliability and durability.
Technical Specifications
| Item | Specification |
|---|---|
| Nominal Diameter | DN32~1200mm |
| Pressure Rating | 5K, 10K, 16K, 150Lb, PN6, PN10, PN16, PN25 |
| Material | Carbon Steel, Stainless Steel, Cast Steel |
| Seat Material | EPDM, NBR, PTFE |
| Operation | Manual, Pneumatic, Electric |
| Applicable Media | Seawater, Freshwater, Oil, Chemical Fluids |
Conclusion
The Marine Centerline Flanged Butterfly Valve, with its unique centerline design, corrosion-resistant materials, and versatile operation, provides efficient and safe fluid control solutions for marine and industrial piping systems. Whether for new construction or existing system upgrades, this valve is a reliable choice for optimizing fluid management and extending equipment lifespan.