BMG’s Superbolt multi-jackbolt tensioners reduce downtime and eliminate unsafe and laborious bolting methods, particularly in harsh operating conditions and in areas with limited working space. The quick and efficient bolting method is based on a design which splits one big torque into a number of smaller ones. Superbolt, which has numerous advantages over conventional bolting products, ensures joints can be tightened with high accuracy, without the need for specialist skills or heavy tooling. Tightening in pure tension allows higher preloads on the same size bolt than conventional tightening methods.
Generating a preload high enough above the separating forces means bolting will not vibrate loose on properly designed joints and the added elasticity increases fatigue life of the bolted joint, which eliminates costly downtime. Only small hand tools are required for installation. This means there are no safety hazards from immense hydraulic pressures, no pinching hazards, no lifting of large tools and no risk of sockets breaking under high pressure.
Superbolt tensioners are used in diverse industries, including hydropower, wind turbines, gas and steam turbines, nuclear, steel, mining, shipbuilding, offshore, chemical and transportation. OEMs specify Superbolt multi-jackbolt tensioners in their design, to improve performance of equipment.
The high preload capacity and accuracy of this system has resulted in the design of smaller bolt sizes. Compact dimensions and decreased tooling sizes allow for a reduction in the size of machinery, reducing material and machining costs.
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