Brass Fire Hose Coupling Nakajima Impa 330851 - 1-1/2 40mm

Nakajima Fire Hose Coupling – Bronze, 40A (1-1/2 Inch)

IMPA Code: 330851

The IMPA 330851 Nakajima Fire Hose Coupling is a quick-connect coupling designed for shipboard firefighting and water-supply systems. Manufactured from durable bronze or marine-grade brass, it provides excellent strength, corrosion resistance and reliable performance in seawater and demanding marine environments.

Its interlocking Nakajima-type connection enables rapid coupling and disconnection during emergency operations while maintaining a secure, leak-resistant joint. It is suitable for connecting fire hoses to hydrant valves, nozzles, branch pipes and other compatible firefighting equipment.

Key Features:

• IMPA Code: 330851
• Product Type: Nakajima Fire Hose Coupling
• Nominal Size: 40A / 1-1/2 Inch
• Approximate Hose Size: 38–40 mm
• Coupling Diameter: Approximately 61 mm
• Material: Bronze / Marine-Grade Brass
• Connection Type: Quick-connect interlocking Nakajima type
• Standard: JIS F 7335
• Unit of Supply: One pair
• Strong, corrosion-resistant construction
• Fast and secure hose connection
• Suitable for shipboard firefighting systems
• Ideal for ships, offshore platforms, ports, shipyards and industrial fire installations.