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Product Description

Seismic U Connectors are just a flexible variant of the tradition hard pipe loop. When fitted in a pipe run the legs of U-Connector simply bend crosswise for compensating for expansion or contraction of pipe. Exceptional to the loop is the amazingly low amount of force needed for bending their legs that minimizes installation costs, anchor loads, and guiding. The two flexible legs of Seismic U Connectors that are connected by an uncontrolled return bend allow a prearranged amount of pipe action in any way. With the loops low force and very high flexibility to move, the loop soaks the seismic energy as well as imposes negligible loads on the supports or nozzle loads, adjacent pipe hangers on major equipment.

Material of Construction

  • End Fitting : Carbon Steel Stainless Steel
  • Hose & Braid : Stainless Steel
  • 90 Elbow CS as per schedule 40
  • 180 Return CS as per schedule 40 

The U-Connector is simply a flexible variation of the tradition hard pipe loop. For any given length of pipe and given temperature change, the amount of movement can be calculated and the appropriate U-Connector can be designed. When installed in a pipe run the U-Connectors legs simply bend laterally to compensate for pipes expansion or contraction. Unique to the loop is the incredibly low amount of force required to bend its legs, minimizing anchor loads, guiding and installation costs.

The two flexible legs connected by an unrestrained return bend, will allow a predetermined amount of pipe movement in any direction. (Typical design movement is 4 inches in any direction, however movement of several feet in any direction is possible). With the loops extreme flexibility and low force to move, the loop absorbs the seismic energy and imposes minimal loads on the adjacent pipe hangers, supports or nozzle loads on major equipment. See page 11 for more details

Product Details:

Max Steam Press



3/4 Inch (20 mm)


Structure Pipe




C Channel


Stainless Steel

PSI Single Braid



+-1.5 Inch

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