Nakajima Coupling Impa 330891 330884 330885

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Business Type Supplier, Retailer, Trader, Distributor, Importer
Material Gun Metal (Brass) – Corrosion-resistant And Non-sparking
Finishing Sand-cast Or Polished Surface Finish
IMPA Code Connection Type Conversion Size Description
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Product Details

330884 Nakajima 50 mm to 38 mm
Reducing Coupling – 2″ to 1.5″
330885 Nakajima 65 mm to 50 mm
Reducing Coupling – 2.5″ to 2″
330891 Nakajima 65 mm to 38 mm
Reducing Coupling – 2.5″ to 1.5″
Connection Type
Nakajima bayonet-style locking coupling
Operating Pressure
Up to 1.6 MPa (232 PSI)
Temperature Range
-10°C to +100°C
Application Style
Hose-to-hose reducer (male-female configuration)

Key Features & Benefits

  • 🔄 Size Transition Functionality – Seamlessly connects hoses with different diameters to maintain operational flexibility.

  • 🧱 Heavy-Duty Brass Body – Provides strength and longevity in salt-laden and high-pressure conditions.

  • 🔒 Nakajima Standard Locking – Secure twist-lock mechanism ensures tight engagement with zero leakage.

  • 🧰 Non-Sparking & Explosion Safe – Ideal for use in oil terminals, gas plants, and confined flammable zones.

  • 📏 Precision Engineering – Perfect alignment ensures smooth water flow with minimal turbulence or loss.

  • ♻️ Durable & Reusable – Engineered for repetitive use in field conditions with minimal maintenance needs.

🚒 Ideal Applications

 

  • Shipboard Firefighting Systems – Enables connection of primary and auxiliary hoses of differing sizes on deck.

  • 🏭 Oil Terminals & Petrochemical Plants – Critical in environments where standard hose sizes vary across zones.

  • 🛠️ Dockyard & Port Safety Units – Allows emergency services to adapt quickly using available hoses.

  • 🧯 Fire Hose Reels & Cabinets – Installed in firefighting sets for rapid deployment when size adaptation is required.

  • 🧱 Offshore Platforms & Helidecks – Essential where compact hose setups vary across modules or departments.

  • 🚒 Industrial Safety Networks – Supports wide-area firefighting infrastructure requiring size interconnectivity.

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