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Our Products

  1. Diaphragm Pump 15 Products available
  2. Marine Equipment 10 Products available
  3. Fire Hydrant System Spares 8 Products available
  4. VENTILATION BLOWER FAN 7 Products available
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  8. Hydraulic & Pneumatic Tools 3 Products available
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  10. Tapes 3 Products available
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  12. AIR VENTILATION DUCT Hose 2 Products available
  13. Inflatable Boat 2 Products available
  14. Sewage Pump 2 Products available
  15. Safety System & Equipments 2 Products available
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  19. Spill Control Equipment 2 Products available
  20. Cable Accessories 2 Products available
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  23. Hand Tool Kit 1 Products available
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  25. Automobile Components & Fittings 1 Products available
  26. Industrial Vacuum Cleaner 1 Products available
  27. Torchlight 1 Products available
  28. Machine And Precision Tools 1 Products available
  29. Pipe Caps 1 Products available
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  31. Pipeline Accessories 1 Products available
  32. Pneumatic Scaler 1 Products available
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  34. Drain Cleaner 1 Products available
  35. Fire Suit 1 Products available
  36. Coupling 1 Products available
  37. Safety Helmets 1 Products available
  38. Electric Angle Grinder 1 Products available
  39. Power Tools 1 Products available
  40. Pistons 1 Products available
  41. Safety Belts 1 Products available
  42. Grease Pumps 1 Products available
  43. VESSEL SIGNALING SHAPES 1 Products available
  44. Chain Blocks 1 Products available
  45. Blasting Machine 1 Products available
  46. Marine Hardwares 1 Products available
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  50. Shovels 1 Products available
  51. Housekeeping Cart 1 Products available
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  53. Pneumatic Machine 1 Products available
  54. Measuring Instruments & Equipment 1 Products available
  55. Vests 1 Products available
  56. Antique Spotlight 1 Products available
  57. LED Lights 1 Products available
  58. Metal Washer 1 Products available
  59. Marine Fittings 1 Products available
  60. Process Pumps 1 Products available
  61. Piston Pump 1 Products available
  62. Bucket And Mug 1 Products available
  63. Signs, Banners & Nameplates 1 Products available
  64. Road Safety & Traffic Products 1 Products available
  65. Hose Pipes 1 Products available
  66. Exhaust Fans 1 Products available
  67. Solar Traffic Light 1 Products available
  68. Duct Hose 1 Products available

Coupling

We offer a complete product range of Nakajima Coupling Impa 330891 330884 330885

Nakajima Coupling Impa 330891 330884 330885

  • Min. Order (MOQ) 1 Piece
  • Material Gun Metal (Brass) – Corrosion-resistant And Non-sparking
  • Finishing Sand-cast Or Polished Surface Finish
  • IMPA Code Connection Type Conversion Size Description
  • 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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