Lens expansion joint

Code FB2S

Lens expansion joint

Code FB2S

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De (outer diameter) 300÷3000 mm
S (thickness) 2÷8 mm
r1 6÷100 mm
h1 ≈ 5 * S
Ht = r1 + h1 + S + r2 + h2
di as requested
r2 10÷40 mm
h2 ≈ 4 * S

Lens expansion joints with diameter ranging from 300 to 3000 mm and thickness from 2 to 8 mm, cold- formed.

Standard supply conditions:

  • rough edges (unfinished)

  • Stainless steels
  • Nickel and nickel alloys
  • Titanium
  • Aluminium
  • Copper

  • Preparation of edges (squaring, chamfering)
  • Surface finishing (satin-polishing, bright-polishing)
  • Washing and degreasing, pickling
  • Cutting of holes/apertures
  • Extrusion of holes/apertures

  • Dimensional inspection
  • Ultrasonic thickness measurement
  • X-ray welding inspection
  • Liquid penetrant testing
  • Surface roughness inspection

  • ISO 9001
  • PED 2014/68 EU Annex 3.1
  • EN ISO 3834-2
  • AD 2000-Merkblatt HP0