Problem The customer was experiencing failures of casing cover bolts in service on average every 5-6 weeks. This created a lot of unnecessary downtime and led to rising maintenance and material costs. The root of the problem could be traced back to installation procedures, whereby the bolts on the casing cover were simply torque tightened. Application Existing solution 3/4” (M20) - 10UNC stainless steel bolts Large paper mill facilty in the US. l Sulzer process pump l Mixing process l creating excessive l forces in the pump, l transferring to the l casing cover bolts Since the introduction of RotaBolt ® technology, the customer has eliminated the problem of bolts snapping during tightening. This is due to controlling tension during installation and usin

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