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  • A major stainless steel producer was having severe reliability problems with the hydraulically operated slab tongs used in their continuous slab caster
  • The hydraulic system, positioned on top of the slab tongs was running on a premium brand water glycol (HFC) fire resistant hydraulic fluid. The stainless steel producer was experiencing the following problems with the fluid:
    • Reduced pump life
    • Many valve malfunctions
    • High fluid temperatures (>65°C) resulting in separation of hydraulically operated slab tongs used in their continuous slab caster



To help improve operations, QUINTOLUBRIC® 888-46 was introduced as a potential replacement. First, Quaker helped the account to understand the advantages of changing from water glycol (HFC) fluids to QUINTOLUBRIC® 888-46 (polyol ester based HFD-U). These advantages include:

  • Superior lubrication properties
  • Reduced fluid maintenance
  • Environmentally friendly

Although QUINTOLUBRIC® 888-46 can cost up to 2-3 times more than HFC fluids, the reduction in total cost of ownership (TCO) that a manufacturer can experience with QUINTOLUBRIC® 888-46 more than makes up for the cost difference

Before the trial period in the first system was complete the account decided to switch the second system from HFC to QUINTOLUBRIC® 888-46. Analyzing the benefits over a period of 1 year, the stainless steel producer recognized the following benefits:

  • No unplanned downtime (from 4hrs/month to 0 hours/month
  • Extended interval for routine maintenance on pumps and other components
  • Extended fluid life; no separation
  • Extended valve life; no replacements with HFD-U
    fluid in operation (from 30 to 0 valves)

With the change from water glycol hydraulic fluid to QUINTOLUBRIC® 888-46 poly-ester based HFD-U fluid, the Total Cost of Ownership (TCO) was reduced by 48%


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