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Bronze 90 degree elbow fitting with male NPT and hose barb connection

Groco Marine Products

Groco Marine Products 1/2 NPT-90 x 3/4 ID Hose Barb Full Flow Elbow

SKU CH-8G7S-8K3AH

Connects 1/2 NPT male thread to 3/4 ID hose at a 90-degree angle in bronze construction

  • 90-degree elbow routes hose cleanly in tight spaces
  • Full-flow bronze bore keeps water moving without restriction
  • C83600 bronze body resists corrosion in marine environments
  • Male 1/2 NPT threads seal directly into standard pipe fittings
  • 3/4-inch hose barb grips hose securely for leak-free connection

Marine Plumbing Elbow

The Groco 1/2 NPT-90 x 3/4 ID hose barb elbow connects a half-inch male pipe thread to a three-quarter-inch hose in marine plumbing systems. Its bronze construction resists corrosion in saltwater environments while the full-flow design maintains unrestricted fluid passage through the ninety-degree turn. UL listing 647B confirms compliance with recognised safety standards for marine components. The fitting uses C83600 bronze alloy for structural durability.

Suitable Installations and Limits

This elbow suits boat builders and mechanics routing coolant, sanitation or bilge lines where a compact ninety-degree transition is required between NPT pipe and hose. The bronze material handles typical marine fluid temperatures and pressures found in engine raw-water circuits. Buyers needing potable-water certification should look elsewhere because C83600 bronze does not meet NSF-61 requirements. Installations requiring a straight connector or a different thread size will need an alternative fitting.

Critical Specification

The defining specification is the C83600 bronze alloy combined with the half-inch NPT by three-quarter-inch hose barb geometry. This material and size pairing determines whether the elbow fits the existing pipework and withstands the specific fluid chemistry on board. Verify the thread standard and hose inner diameter match the system before purchase. The UL 647B listing provides an additional reference point for inspection compliance.

Highlights

  • 90-degree elbow routes hose cleanly in tight spaces
  • Full-flow bronze bore keeps water moving without restriction
  • C83600 bronze body resists corrosion in marine environments
  • Male 1/2 NPT threads seal directly into standard pipe fittings
  • 3/4-inch hose barb grips hose securely for leak-free connection

Specifications

BrandGROCO

Questions about this item

Should I pick the 1/2 NPT-90 x 3/4 ID hose barb or another size for my plumbing run?

Choose the 1/2 NPT-90 x 3/4 ID elbow when your pipe thread is 1/2 NPT and the hose inner diameter is 3/4 inch; other listed sizes cover different thread and hose combinations.

What does the 90-degree full-flow elbow actually do once installed in a system?

The 90-degree male NPT-to-hose elbow redirects flow at a right angle while maintaining an unrestricted passage through the C83600 bronze body.

Is the UL 647B listing on this bronze fitting a guarantee it meets every marine standard?

UL 647B confirms the fitting meets that specific safety standard; the C83600 bronze construction is noted as non-compliant with NSF-61, so it is not intended for potable water systems.

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