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Hydrostatic test of liquefied gas storage tank

According to the “Pressure Vessel Safety Skills Supervision Regulations”, inspection holes should be opened for containers larger than ?300. The inspection holes are manholes, hand hole...

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According to the “Pressure Vessel Safety Skills Supervision Regulations”, inspection holes should be opened for containers larger than ?300. The inspection holes are manholes, hand holes and cocks. check. ③The pressure of the hydraulic test is lower than the specified value: the planned pressure of a liquefied gas storage tank is 1.1MPa, the planned temperature is 200°C, the raw material is Q235B, and the test pressure is 1.37MPa. According to the GB150 rules: hydraulic pressure test pressure Pt=1.25[a]/[a]t P, the calculated test pressure should be 1.4MPa, and the correction coefficient was not considered in the planning.

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