When replacing a gasket in a six-bolt flanged joint, in what order should the bolts be tightened?
Each bolt should be installed and tightened in consecutive order in the clockwise direction.
Each bolt should be installed and tightened in consecutive order in the counterclockwise direction.
Install and tighten bolts 1, 3, 4, 2, 5, and 6, in that order.
Install and tighten bolts in pairs which are opposite each other in the flange (1-4, 2-5, and 3-6).
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