CASE STUDY INSTALLATION OF BLIND EQUALIZER HYDRAULIC FLANGE ALIGNMENT & SPREADING TOOLS USED ON THE INSTALLATION OF BLIND FLANGES IN 18” 600# PIPEWORK Installation of Blind - Freeport, T exas (June 2016) Rev3 | 07/09/2016 | P AGE 1/2 PROBLEM The contractor began to de-torque and remove the bolts the day before maintenance was scheduled. They had only removed one quarter when the flange began to misalign and this resulted in the remaining

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