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Griffco Calibration Columns

Griffco PVC and Borosilicate Glass calibration cylinders are designed to enhance the performance of a chemical feed system by providing a verification of the flow rate of the chemical feed pump. Griffco offers a wide range of calibration column sizes and material options that work in many different applications.

Cylinder Materials:

Jump to PVC Models

Jump to Glass Models

End Cap Materials:

  • PP
  • PVC
  • CPVC
  • PVDF
  • TFE
  • Halar®
  • 316 SS
  • Alloy 20
  • Hastelloy® C


  • Threaded - Standard
  • Socket
  • Flanged
  • Flanged (with ball valve)
  • Union


  • Dust cover
  • Sealed
  • EZ-Clean


  • Custom labels
  • Material certifications
  • Calibration column stand


Connection options for calibration columns




PVC Cylinder Features:

  • Sizes from 100mL to 40,000mL
  • High reliability at a low cost
  • Clear, easy-view tube
  • High-contrast graduation markings
  • Robust construction
  • Direct GPH and mL readout
  • Sealed top with overflow connection
  • Optional EZ-Clean model
  • Optional open top with dust cap

Download Technical Data Sheet:
Imperial (US)
Metric (International)

PVC Calibration Column

Options for PVC Tops:

cc-pvc sealed-vent

Sealed with vent

cc-pvc ez-clean


cc-pvc dust-cap

Dust Cap



Glass Cylinder Features:

  • Sizes from 30mL to 20,000mL
  • High reliability at a low cost
  • Borosilicate glass tube
  • High-contrast graduation markings
  • US, Metric & GPH Scales
  • Seven (7) end cap materials
  • Easy disassembly for cleaning
  • Protective outer shield (except 10K and 20K models)
  • Sealed top with overflow connection

Download Technical Data Sheet:
Imperial (US)
Metric (International)

Glass Calibration Columns