• Pentaring Hold Down Media

    Saint-Gobain NorPro’s Pentarings provide a substantial improvement in pressure drop when used as bed topping media in a graded bed instead of the traditional use of sphere-shaped media. 

    Pentarings are a dense media which allows for sufficient hold down capabilities, while having a high void fraction and increased surface area to provide a significant reduction in pressure drop. 

  • Advantages of Pentaring Media

    Due to their unique shape, Pentarings have:

    • 22% increase in void fraction over spheres

    • Improved flow distribution

    • Increased capacity for trapping large particulates

    Pentarings are also offered in a variety of sizes to fit your needs.

  • Typical Physical Properties
    Nominal Size
    Length
    Void Space
    Horizontal Crush 

    Strength (min)
    Bulk Density
    mm in mm in % kg lbs kg / m3 lbs / ft3
    10 3/8 5.2 1/5 60 45 100 929 58
    13 1/2 6.5 1/4 60 75 165 913 57
    19 3/4 9.5 3/8 62 100 220 881 55
    25 1 12.5 1/2 63 150 330 865 54
  • Related Literature

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    • Pentaring Bed Topping Media Data Sheet
      Data Sheets
      Pentaring Bed Topping Media Data Sheet
      PDF | 255.99 KB