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Ship through-hull fitting

Fixed inside the hull, connected to the hull shell by bolts or welding, providing installation support;

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  • Product Description
  • Core Components

    Through-Hull Components:

    Hull Flange: Fixed inside the hull, connected to the hull shell via bolts or welding, providing installation support;

    Through-Hull Pipe: A pipe-like structure that passes through the hull, extending to the outside of the hull, and connecting to valves, hoses, or equipment on the inside;

    Sealing System: Rubber seals, metal gaskets, or epoxy resin fillers to ensure hull water tightness and prevent seawater ingress.

    Optional Accessories:

    Valves: Ball valves, gate valves, or check valves to control fluid flow or prevent backflow;

    Filter: Installed at the outer pipe opening to filter debris (such as seaweed and sediment) and prevent pipe blockage.

    Main Functions

    Fluid Transfer:

    Water Intake: To draw seawater for engine cooling systems, ballast tanks, etc.;

    Water Discharge: To discharge bilge water, sewage, deck wash water, etc.;

    Safety Isolation: Valves isolate the hull from external fluids, facilitating maintenance or emergency shutdown;

    Structural Support: The rigid connection between the through-hull pipe and the hull flange ensures the stability of the fluid passage.

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