VIS Flow Conditioner

Insertion Sleeve for Critical Process Equipment

The VORTAB® VIS Insertion Sleeve flow conditioner provides a low pressure loss solution to flow profile irregularities caused by elbows, valves, blowers, compressors and other disruptions that commonly occur in piping and duct runs.


  • Piping with inadequate straight-runs
  • Temperature and pressure stratification
  • Process conditioning for control valves, blowers, compressors, burners and other critical process equipment
  • Flow conditioning for calibration and test benches
  • Processes that require repeatable, symmetric and swirl-free velocity flow profiles


Process Media: 
  • Gases, liquids and slurries

Materials of Construction: 
  • 316L stainless steel
  • Carbon steel
  • Hastelloy C
  • Other materials of construction available

Inside Diameter of Pipe or Duct: 
  • Customer specified from 0.87 to 48 inches [22 to 1220 mm] 

Pipe or Duct Process Connection: 
  • Field welded in place
  • Captured flange

Flow Conditioner Length:
  • 3 pipe diameters

Custom Configurations:
  • Contact FCI


The VIS Insertion Sleeve configuration allows for direct mounting in existing or specially sized pipe sections.