Couplings

Aviation Qualified Hose Couplings: In order to meet and comply with API 1529 and BS EN 1361 specifications, all Hewitt aviation hoses are supplied with either permanent or reusable couplings.

One piece, all metal casting, designed for structural integrity.
  • Permanent Couplings:
  • Internally expanded brass and stainless fittings. Stainless available upon request.
  • EI 1529 & ISO 1825: NPT male and female threads (swivel nuts on female fittings)
  • Swaged stainless insert with zinc plated ferrule (4” only)
  • 4” internally expanded brass male NPT inserts are available as an option.
  • Reusable Couplings:
  • 4-bolt aluminum clamps with brass, tin plated brass, or stainless inserts
  • EI 1529 & ISO 1825 NPT male, NPSH female, BSP male, and BSP female threads (swivel nuts on female fittings)
  • Shell Intl Approved
  • Reusable fittings are available as separate items on request.
  • Adaptors:
  • Any of the above fittings can be supplied with adaptors such as Cam & Groove and threaded flanges.
  • Dixon “Boss” Cam & Groove fittings are USA made. Imported versions are also available.
  • Stainless, Brass, and aluminum Step up bushings.
  • Stainless, Carbon steel, and aluminum threaded flanges.

Currently not available.

Currently not available.

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