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Double Hose Connector Ø20 mm – Straight Bulkhead Coupler (Nylon)
This double hose connector is designed to join two hoses with an internal diameter of about 20 mm (approximately 3/4"). Its design allows hoses to be securely connected end-to-end, with the union itself sitting within the thickness of a bulkhead or wall. This is particularly useful when a hose needs to pass through a tank wall, boat hull, or thick frame – the connector provides a rigid link so that any strain on the hoses doesn’t cause them to pull apart or kink.
Use cases:
- Through-Bulkhead Transitions: Boat plumbing and drainage systems often require hoses to pass through a hull or partition (for example: routing bilge water through a bulkhead to reach a pump). With this connector, hoses join exactly at the wall penetration – one half remains on one side, the other on the opposite, and the connector itself seals the passage. This keeps the connection secure and leak-free as water moves between compartments.
- Hose Repair: If a Ø20 mm hose becomes chafed or split, you can cut out the damaged section and join the two ends with this double connector instead of replacing the entire hose. The reinforced nylon surface allows hose clamps to bite firmly, ensuring the repaired joint will hold pressure.
- Connecting Different Sections: Sometimes systems have rigid pipe in some sections and flexible hose in others. The double connector can act as a transition where a hose attaches on both sides. For example, between a fixed pipe and a movable hose – the connector provides a slight flex point for the hose without stressing the pipe joint.
Installation Tips: The bulkhead hole diameter should match the connector’s outer size (B = 45 mm as per spec). The connector features a small shoulder flange – this should sit snugly against the inside of the hole to prevent push-through. On the opposite side, use a retaining nut (if provided) or an appropriate sealant/adhesive to lock the connector in place and seal against leaks. Then slide the two hoses over the connector’s barbed ends (A = 20 mm barb diameter each side) and tighten with hose clamps. When installed correctly, the system will be watertight and robust against vibration and pressure.
