Instrumentation & Measurement

DistributionNOW carries a complete line of field-proven instruments and assemblies for measuring pressure, temperature and flow across all liquid and gas applications, including custody transfer, check stations, control loops, batching and more. Handle the toughest conditions, analytical challenges or maintain the utmost precision across your operation with high-quality measurement and instrumentation devices from the leading manufacturers, including gauges, meters, fittings and more to maximize the performance, profitability and safety of your application.

Gauges/Sensors

DNOW offers various types of gauges and sensors to measure and regulate the pressure, temperature and flow of liquids and gases within pipelines and tubes to help you reduce maintenance and improve safety. 

  • Mechanical pressure gauges
  • Mechanical temperature gauges and thermowells
  • Diaphragm seal instruments
  • Electronic pressure sensors
  • Electronic pressure transmitters and transducers
  • Electronic temperature sensors 
  • Level sensors and gauges
  • Ultra high-purity pressure gauges
  • Differential pressure gauges
  • OEM/Customized pressure and temperature instruments
  • SF6 gas analyzer and filling units
  • Gauge accessories

Instrumentation Fittings

DNOW has a wide variety of instrumentation fittings for pipe attachments to transfer, measure and control system flow, pressure, temperature and provide system calibration critical to your operation.

  • NPT thread
  • Socket weld
  • Butt weld 
  • Single- and two-ferrule design
  • Connection adapters
  • Dielectric Unions 

Instrumentation Valves and Other Products

DNOW has a comprehensive range of instrumentation valves, connects, filters, manifolds, steam traps and other products to provide controlled isolation and connection to regulate the flow of gases, liquids or other loose materials through your piping system.

  • Bleed valves
  • Ball valves
  • Check valves
  • Inline filters
  • Needle valves
  • Lower packing valves
  • Metering valves
  • Relief Valves 
  • Toggle valves
  • Plug valves
  • Purge valves
  • Quick connects
  • Full flow quick connects
  • Tee filters
  • Manifolds
  • Steam Traps 

Instrumentation Hose Assemblies

DNOW offers instrumentation hose assemblies for a wide spectrum of demanding compressed gas and industrial applications.

  • Medium pressure smooth bore PTFE
  • High pressure flexible metal