The correct tightening of carbon/graphite electrodes is known to increase the energy efficiency of electric arc furnaces and prevents electrode sections from being lost in the furnace. Norbar Electrode Wrenches are based on two well proven torque wrench designs: electrodes up to 8 inches use the 'Professional' type, 9 inches and upwards are based on the 'Industrial' wrench.
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Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas:
Norbar Torque Tools Inc. 36400 Biltmore Place, Willoughby, Ohio 44094, USA