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Help CenterMarine Wafer Dual Plate Check Valve for Shipbuilding and Offshore Pipeline Systems, Anti-Backflow
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Shanghai Zhibang Valve Manufacture Co., Ltd. has been a reliable manufacturer since 2016, specializing in high-quality valves for marine and industrial applications. Our Marine Wafer Dual Plate Check Valve is designed specifically for shipbuilding and offshore pipeline systems, providing reliable anti-backflow protection even under demanding conditions. With ISO9001 certification and a dedicated R&D team, we ensure that every valve meets rigorous performance and durability standards, backed by annual export values exceeding US$1 million to global markets.
Key Features & Technical Specifications
- Compact Wafer Design: Short face-to-face dimensions reduce installation space and weight, making it ideal for confined shipboard and offshore platforms.
- Dual Plate Mechanism: Two spring-loaded plates close quickly to prevent backflow, minimizing water hammer and ensuring system safety.
- Corrosion Resistance: Available in stainless steel, duplex steel, or carbon steel with anti-corrosion coatings to withstand seawater and harsh marine environments.
- Low Pressure Drop: Streamlined flow path reduces turbulence and energy loss, improving overall system efficiency.
- Easy Maintenance: Wafer connection allows simple installation between flanges without special tools; replaceable seat and seals extend service life.
- Versatile Application: Suitable for seawater cooling lines, ballast systems, fire-fighting pipelines, and other offshore fluid handling.
Parameter Table
| Attribute | Details |
| Size Range | DN50 - DN600 (2" - 24") |
| Pressure Rating | Class 150 - Class 600 (customizable up to higher upon request) |
| Temperature Range | -29°C to +200°C (can be extended with special materials) |
| Body Material | WCB, CF8, CF8M, Duplex 2205 (other alloys available) |
| Seat/Seal Material | NBR, EPDM, Viton, PTFE (optional) |
| Design Standard | API 594, ISO 5752, or customer-specific |
| Connection | Wafer (lugged version optional) |
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