RT Expansion Joint

Rectangular Expansion Joint
rectangular-ej
Features
Advantages
Operating Range
Materials

Bellows:

  • 3XX Series Stainless Steel
  • Nickel Alloys
  • Carbon Steel
  • Titanium
  • Zirconium
RT FIT
  • Bellows may be attached or linked to angle or plate flanges, or duct sections.
  • End connections may conform to ducting sizes, or customer designed
  • Fittings may be the same at each end or different.
  • Corners are typically 90 degree, but may also be rounded.
RT FORM
  • One or two rectangular flow area metal bellows, each with 1 or more convolutions.
  • Typical dimensions of 12” x 12” minimum, up to 240” square. Overall length may vary, typically within the range of 12” to 100”.
  • Convolutions are U shaped or V shaped.
  • Additional accessories may be incorporated such as load bearing restraints, movement limiters, protection devices.
RT FUNCTION
  • Absorbs ducting thermal movement, primarily axial but may include small lateral and/or angular movements.
  • Movement amplitude varies, typically within the range of 1/8” to 8”.
  • Movement frequency typically is low cycle (1 to 100 cycles per year).