VMR - VORTAB Meter Run Flow Conditioner

The VORTAB Meter Run flow conditioner (model VMR) offers a complete, simple pipe section replacement for new and existing piping systems. The VMR is a seven pipe diameter long spool piece comprised of three pipe diameters of VORTAB flow conditioning internals and a built-in downstream settling chamber.

The settling chamber, which is four pipe diameters in length, allows the turbulence intensity to decrease while maintaining the repeatable velocity profile. This provides an optimal flow scenario for flow meters of all technologies. A multiple of flow element connection ports can be provided to accept insertion style flowmeters. Process equipment being directly mounted to the exit of the VMR flow conditioner can be accommodated by a multitude of process connections including flanged, threaded, grooved, weld prepped or specified custom process connections. VORTAB flow conditioners provide the lowest pressure loss solutions 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
  • Flow conditioning for calibration and/or test benches and flow meters
  • Temperature and pressure stratification
  • Processes that require repeatable, symmetric and swirl-free velocity flow profiles
  • Process conditioning for control valves, blowers, compressors, burners, and other critical process equipment


Process Media:

  • Gases, liquids, slurries, and particulate mixes such as pulverized coal and air

Materials of Construction:

  • 316L stainless steel: 2″ and larger
  • Carbon steel: 8″ and larger.
  • Hastelloy C: 2″ and larger.
  • Other materials of construction available

Pipe Schedule:

  • All pipe schedules available
  • Schedule10, 40, and 80 are standard options

Standard Process connections:

  • Weld preparation
  • Flanged, up to 600 lb rating *(heavier class flanges available)
  • Male NPT, up to 4 inch pipe size
  • Additional process connections available, consult factory

Flow Conditioner Length:

  • For 2 inch: 7 to 8 pipe diameters
  • For 3 inch and larger: 7 pipe diameters

Flow Meter Process Connection:

  • 0.75 inch, 1 inch or 1.25 inch female NPT
  • 1.25 inch male NPT
  • ANSI 150 lb., 300 lb. or 600 lb. raised face flange
  • Additional process connections available, consult factory

For any other required options or special features not listed above: Contact VORTAB Company