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Dix-Lock™ N-Series Bowes Interchange Hose Barb Coupler with Staked Ferrule

Dix-Lock™ N-Series Bowes Interchange Hose Barb Coupler with Staked Ferrule

Part Number 4NCS4-WF43
Material Steel
Hose ID 1/2"
Hose OD From 27/32"
Hose OD To 1-1/32"
Body Size 1/2"
Maximum Operating Pressure 500 PSI (35 bar)
Burst Pressure 7000 PSI (480 bar)
Temperature Range -40°F to +250°F (-40°C to +121°C)
Mandatory Pkg/Box Qty 1
Weight Lb 0.4600


  • Machined components are manufactured using solid bar stock
  • Phosphor Bronze retaining ring and spring maximize corrosion resistance and extend service life.
  • Steel componentry is plated using ROHS Compliant Trivalent Chrome.

Compatibility & Interchange Data

  • Bowes Interchange Bayonet Style
  • Interchangeable with Bowes 51000-Series, National Series 'B', Dixon® Dixlock, MacDonald Quick-Action

Safety notes

  • Operating pressure for couplings utilizing hose barb connections may be dramatically reduced to that of the hose rating and/or hose end connection combination. Consult hose manufacturer's catalog for hose end connection ratings. If in doubt, test under controlled conditions for suitability to application.
  • Dixon® cannot assume liability for misapplication of production resulting in equipment down-time, lost production, and/or personal injury including death.
  • It is important to be safe when installing quick disconnect couplings into a pneumatic circuit. Never install a pneumatic coupling directly into an air tool, use a piece of hose that is at least 18" long, between the tool and the coupling, to prevent damage to the coupling. To protect the operator, safety devices, such as a safety check valve and safety cable should be installed in case there is a hose or coupling failure.


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