Piping Technology & Products, Inc. designed and manufactured 4 identical Big Ton springs for a petrochemical plant in Texas.

These 66” x 18” x 14.5” Big Ton springs are made of A-36 carbon steel and have a design suitable for temperatures up to 750 degrees F.  They have a hot load capacity of 116,500 lbs and a cold load capacity of 94,500 lbs. Load tests were performed to ensure that the springs could safely sustain the specified design load.  Applicable travel was ½” downward, but design travel ranges up to 6”.