May 24, 2001
PT&P custom-designed and built four big ton D-upthrust constants (figure 1) and two pairs of big ton T-upthrust constants (figure 2) for a global engineering & construction company.
These upthrust constants are installed at a petrochemical plant in Siberia. Due to space limitations, the big ton D-upthrust constants and big ton T-upthrust constants were designed for a total travel of 5″ and 4″ respectively. The big ton D-upthrust constants were also designed for a load of 50,022 Ibs with a height of 26 inches. The big ton T-upthrust constants with a height of 16.5″ were designed for 75,000 Ibs, and 67,464 Ibs respectively.
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