MPFC Heated

Multi-Purpose Process Heated Flow Cell

Our Guided Wave Multi-Purpose Flow Cell is also available as a heated version. The flow cell is drilled to accept a heating or cooling fluid. While the heat exchanged is not sufficient to significantly impact a rapidly flowing sample, it can be used to maintain the temperature of a preconditioned sample.  Our Multi-Purpose Flow Cell (MPFC) is used whenever direct insertion probes are not appropriate and the process material does not require the added assurance of the High Safety Flow Cell. One of the primary advantages of near infrared process spectroscopy is the utilization of intrinsically safe fiber optic cables to remotely locate the probe. While direct insertion probes eliminate sample loops and sample systems and their associated problems, sometimes it is necessary to install sample loops for safety, service, and/or sample conditioning reasons. The MPFC is a convenient, compact, rugged sample interface that is easy to install and even easier to service. The cell’s sapphire windows can be cleaned by simply removing a clean-out plug for direct access to the windows without disconnecting process lines or fiber optic cables. This clean-out port is a Guided Wave innovation.

Exceptional Light Transmission and Optical Performance

Like other Guided Wave optical probes, the MPFC provides exceptional optical performance. Typically, peak transmission exceeds 50%. That means more signal, lower measurement noise translating to lower limits of detection.

Process-Resistant Flow Cell Body Construction

The Multi-Purpose Flow Cell comes standard in 316L stainless steel but is available in many other alloys. Suitable O-ring materials must be specified to meet your process chemistry and safety requirements. Common materials, such as Viton, Kalrez®, EPDM, etc., are readily available. Please consult appropriate resources for temperature specifications of various O-ring materials and chemical compatibility with your process.

System A Simple, Serviceable Flow Cell Design

Key elements of the MPFC design are simple, serviceable O-ring seals, the Guided Wave clean-out port, high optical efficiency, slip jointed conduit-ready connections, sapphire windows, a clean flow pattern, and O-ring sealed optics to prevent ambient moisture infiltration. The probe can be field disassembled for O-ring service and reassembled without changing the optical path length, a crucial parameter for repeatable measurements.

Dual Seal for Added Safety

Our Multi-Purpose Flow Cells now boast a dual seal at the sapphire “window-to-process” interface. This doubles protection for the expensive internal optical lens.

  • Suitable for many installations in side streams or sample conditioning systems
  • Suitable for use where temperature control of sample is desired
  • Threaded chamber is provided for the circulation of heating or cooling fluids
  • Collimated beam for excellent light transmission
  • Clean out port for easy window cleaning
  • Compatible with all Guided Wave analyzers

Operating Range of the Heated Flow Cell

The Multi-Purpose Flow Cell operates over the following pressures and temperature ranges:
• Temperatures to 300 °C (O-ring material dependent)
• Pressures to 500 psi (O-ring durometer dependent)
• A certified version is available that is rated to 1000 psi

This flow cell is available in five standard pathlengths 1, 2, 5, 10, and 20 mm.


    For a complete range of applications, system options, and service, please contact us.

    SERVICE | SALES | TRAINING

    Phone: +1.916.638.4944

    Fax: +1.916.635.8458

    gwsales@guided-wave.com

    gwsupport@guided-wave.com



    A Heated Multi-Purpose Flow Cell that uses intrinsically safe fiber optic cables to remotely locate the probe

    Process Insights_Guided Wave MPFC – Multi-Purpose Process Flow Cell

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