Bronze Nakajima BSP Thread Adapters, male and female, top view showcasing various sizes.

Nakajima Adapter BSP Thread – Male and Female – 40A, 50A and 65A

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The Nakajima BSP Thread Adapters are essential components for firefighting systems in marine, industrial, and offshore applications. Designed for secure connections between valves, hoses, and nozzles, these adapters provide efficient sealing and high-pressure resistance. Made from high-quality forged bronze, Nakajima adapters offer exceptional corrosion and wear resistance, making them ideal for harsh environments. Available in male and female BSP thread models, they ensure compatibility with various equipment.

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Product Description Documentation

Benefits:
High durability: made from forged bronze, ensuring high pressure and corrosion resistance
Secure connection: designed for efficient sealing and compatibility with valves and hoses
Versatility: available in male and female BSP thread models for flexible integration
Quality standards: manufactured to Japanese safety standards, ensuring reliability

Applications:
Firefighting systems: essential for hydrants, hoses, and spray nozzles
Marine and offshore environments: suitable for ships, platforms, and ports, offering high corrosion resistance
Industrial and construction use: ideal for high-strength hydraulic and pneumatic systems

Technical Specifications:
Material: High-strength forged bronze
Available models: 40A (1.1/2”), 50A (2”), 65A (2.1/2”)
Thread type: BSP (male and female)
Corrosion resistance: High
Working pressure: Up to 16 bar
Compatibility: Fire valves, hydrants, and hoses

Eurosul Code	Model	Type	Nominal Size	IMPA Code
004019	40A	Male	1.1/2″	331874
004020	40A	Female	1.1/2″	331881
004786	50A	Male	2″	331872
004004	50A	Female	2″	331882
003473	65A	Male	2.1/2″	331875
003472	65A	Female	2.1/2″	331884
094900	65A	Female	2.1/2″	331883