Test Skid Evaluates Membranes


The Convertible Skid is specifically designed as a high-pressure system for pressure-driven membrane filtration (such as Reverse Osmosis), that can be easily converted to perform either osmotically-driven (such as Forward Osmosis) or temperature-driven (such as Membrane Distillation) processes without the need for any additional parts or equipment. Research priorities evolve over time and lab space is limited; this system offers a unique, flexible solution for academic and industrial scientists with dynamic filtration needs.


Each Convertible Skid is highly customizable regarding membrane test cell type and flow configurations. Configured with both high and low-pressure circulation lines, it can be used for a wide variety of applications: processing of water and wastewater, food processing, chemicals, pharmaceuticals, removing organic and heavy metals, and other concentration or separation membrane filtration processes such as reverse osmosis, nanofiltration, ultra and microfiltration, forward osmosis, and membrane distillation.


  • Cell Type
    • Sepa CF
  • Number of Housings
    • One cell includes cell bottom, one cell top for high pressure cross flow (CF) applications, and one cell top for low pressure forward osmosis (FO) or membrane distillation (MD) applications
  • Membrane Sample Size
    • 7.5 x 5.5 in.
  • Effective Membrane Area
    • 24 in2
  • Feed Flow Rate Maximum
    • 1.8 GPM (6.7 LPM) on the high pressure line
    • 0.01-0.85 GPM (0.032-3.2 LPM) on the low pressure line
  • Feed Controls
    • Bypass Valve
    • Concentrate Pressure Control Valves: 0-1000 psi (0-69 bar)
  • Data Monitoring
    • Flow Rate, Pressure, Temperature, Conductivity, Weight
  • Operating Pressure Range
    • 0-1000 psi (0-69 bar)
    • 0-80 psi (0-5.5 bar) in FO/MD mode
  • Electrical Supply
    • 110V/60Hz, 1 Ph or 220V/50Hz, 1 Ph
  • Pump and Motor Rating
    • Washguard Electric Motor
    • High Pressure Positive Displacement Pump
    • Low Pressure Gear Pump with Console Drive
  • System Dimensions/Weight
    • 67 x 41 x 59 in.
    • 650 lb.
  • Optional Accessories
    • Temperature Controller, pH Sensor, Digital Balance



  • Designed to operate at both high and low pressures
  • Convertible to run osmotically-driven or temperature-driven processes
  • Can be customized for compatibility with harsh or corrosive chemicals
  • Available in both digital and analog options
  • Operating Pressures to 80 psi (5.5 bar) on the Low Pressure Line and up to 1,000 psi (69 bar) on the High Pressure Line
  • Sea Water Rated Plumbing
  • Digital Pressure and Flow Sensors
  • Stainless Steel Frame with Heavy Duty Casters
  • Digital Temperature and Conductivity Sensors
  • 2540 Stainless Steel 316 Housing
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