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Series LG Recirculating Lab Faucets: Natural Polypropylene with Virgin PTFE Seals
Fields of Application: Type I, II Deionized, RO, Ultra Filtrated Water.

Marquest Scientific has been manufacturing faucets for the transportation and dispensing of high purity liquids for over 25 years. Recirculation is a feature developed to eliminate any bacterial growth or other biological impurities due to stagnation. This is accomplished by providing a method to allow continuous motion of the liquid during all phases of operation.

  • Max flow of 2.5 GPM @ 80 PSI
  • All virgin natural Polypropylene wetted fluid path, PTFE Seals
  • No elastomers, metals, or lubricants used in construction
  • Zero dead leg control valve activation at point of use
  • Simplified installation of recirculation module
  • All components designed for extreme industrial environments
  • FDA, USDA, and USP standards are either met and/or exceeded
  • Ultra smooth internal flow path
  • Unique heavy wall construction
  • Duraline control valve offers easy open / close valve, 120 deg rotation full flow to closed
  • PTFE sealed, encapsulated PTFE shut off seal for unlimited life
  • Black handle with white marker and black "DI" text per SEFA code recommended practice No. 7 for DI Water Applications
  • Duraline control valve is completely renewable by replacing the internal cartridge, per SEFA 7-2010-8.2a
  • Positive stop at off position
  • Exceptional low torque on/off operation


Download Data Sheet         System Design Notes

**For custom configurations please contact us via email 


N/A Natural PP, PTFE


N/A Wall Mount, Handle Front

Inlet x Outlet

N/A 3/8" Female NPT


N/A 150

Shipping Note

N/A We will let you know the shipping charges once we receive the order.
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