Four-bolt torquing with hydraulic wrenches

Hydraulic wrenches are often deployed individually. But for many critical applications, four-tool bolting adds further reassurance that joints have been made with integrity. Large flange couplings often include multiple bolts (often as many as 16 or 32 bolts), all of which must be fastened to prescribed torque settings. By torquing four bolts at a time,

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