Seismic Connectors

TCH V, U and Dog Leg seismic expansion joints are constructed to maintain flexibility under pressure caused by thermal pipe expansion and compression, random motion or seismic activity. They are capable of 6 planes of motion along the X, Y, and Z axis.

Product Details

Fabricated from 1/4” – 4” bronze hose or 1/2” – 20” 304, 321 or 316 stainless steel hose surrounded with a heavy-duty woven wire single or double braid, standard 2”, 3” and 4” rated movement and custom movement sizes to meet exact system specification are available. End fittings have a range of material including copper, carbon steel, stainless steel and end fitting style options, weld, sweat, flange, groove, male NPT or customer specified.

Applications include,
but are not limited to:
  • Commercial HVAC systems
  • Geothermal
  • Steam
  • Heating
  • Industrial piping systems
  • Power plants
  • Sewage treatment plants

  • No pressure thrust
  • Nominal spring rates
  • System and equipment protection
  • Cost Savings – reduced anchor cost, guiding cost and construction material cost
  • 6 planes of motion along X, Y, Z axis


Imposes no pressure thrust, has nominal spring rates, and custom movement sizes to meet exact system specifications are available.

Need to Order?

Call us at 763-428-5100 today, or you can reach us by filling out the form below!