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Flanged vs Threaded Marine Valves: Installation Type Selection Guide
Flanged and threaded connections are the two mainstream types for marine valves, selected based on pipe diameter and working conditions. Threaded marine valves feature small size and easy installation, suitable for small-bore low-pressure auxiliary pipelines such as cabin domestic water and instrument oil lines. Flanged marine valves have firm connection, strong vibration resistance and excellent sealing performance, ideal for large-diameter high-pressure main pipelines including ship fuel main lines and ballast systems.
Flanged valves are easy to disassemble and maintain, while threaded valves save installation space. Reasonable selection of connection types avoids pipeline loosening and leakage caused by ship navigation vibration, optimizing overall marine pipeline stability.
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