Expansion Joints Catalog - Technical Manual (NA)

An expansion joint is a specially engineered product inserted in a rigid piping system to achieve one or more of the following:

  • Absorb movement
  • Relieve system strain due to thermal change, load stress, pumping surges, wear or settling
  • Reduce mechanical noise » Compensate for misalignment
  • Eliminate electrolysis between dissimilar metals

At Garlock, the range of our engineering emphasis extends from the selection of the fabric used for reinforcement to the choice of materials used in actual expansion joint construction. Rigorous laboratory and field tests of our products support Garlock's assurances of long life and reliable service. In line with our commitment to safety, Garlock expansion joints' pressure and movement safety ratings exceed product specifications.