W.F.I. Still

Why should I use Hydrosol System to passivate my W.F.I. Still?

W.F.I. still systems are susceptible to rouging. Rouging can shorten the life of your equipment and can lead to irreversible damage such as pitting and heavy accumulation of iron and rust blooms. Rouging can vary from a light-red color (Class I) to a blue or black color in the worst scenarios (Class III).  Rouging is very prevalent in the pharmaceutical and biotech industry due to type of stainless steel and high water temperatures while in operation. When Hydrosol System derouges and passivates your piping we can help extend the service life of your stainless steel and provide superior protection against harmful corrosion.

WFI stills and systems should be professionally passivated annually as part of your preventative maintenance schedule. Keeping WFI stills and systems free of rouge will ensure your products or sterile systems remain contamination free and running according to manufacturers specifications.

WFI Still | Hydrosol System


The Hydrosol Pharmaceutical Maintenance Process

Pharmaceutical Maintenance - Initial Meeting
  • About Hydrosol
  • About you
  • Your needs
  • Our processes
Pharmaceutical Maintenance - Pre Engineering
  • Identifying Specific equipment in need of cleaning
  • Review P and ID
  • Identifying temporary connection
  • Submit calibration documentation
  • Discuss turnover packagye
  • Create a safety plan
  • Review clean room procedures
  • Identify necessary paperwork required by customer
  • Create a custom cleaning plan to restore your equipment to optimize performance
Pharmaceutical Maintenance - Execution
  • Pre job safety meeting
  • SDS Sheets
  • Review gowning requirements
  • Set-up equipment and make temporary connections
  • Perform service
  • Dispose of chemicals safely and responsibly
  • Leave job site clean
  • Complete turnover package
  • Confirm customer is 100% satisfied
Pharmaceutical Maintenance - Servicing

Annual Planning
Schedule quarterly service

  • Set-up annual maintenance schedule
  • Quarterly commubnicatoin
  • Accessibility
  • Fast response times
  • High level of service
  • People with a working knowledge of your equipment


Please fill out the form below to request a quote. Feel free to give us a call at 330-678-2181.
We are available to discuss your specific project needs in detail.

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