The barrel joint (BN) is a crucial part in firearm construction, and its main function is to connect the barrel with other parts of the firearm.
A negative bushing (NEG) is typically a part or component used to fill gaps, increase stability, or provide support.
A stainless steel tee is a pipe fitting used to connect three pipes at a junction, allowing for the diversion or confluence of fluids between different pipes.
Usually cylindrical, with internal threads, card slots, or tapered interfaces, used for locking with a male connector;
Connecting the hose to the device: As the end interface of the hose, connect to valves, pumps, pipes or other parts with female connectors;
Material: Common metals (e.g., steel, brass, stainless steel) or engineering plastics (e.g., nylon, PTFE);
Used for the inflow and outflow of liquids such as bilge water, wastewater, cooling seawater, ballast water, or other liquids for ships.
Fixed inside the hull, connected to the hull shell by bolts or welding, providing installation support;
Its core advantage lies in the balance between installation efficiency and sealing, making it suitable for cost-sensitive scenarios requiring rapid construction.
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