Diaphragm/Chemical Seals

PRECISION diaphragm/chemical seals are ideal for demanding applications. Using a diaphragm seal can protect instruments from process temperature as well as process media that is corrosive or polymerizing. A wide range of seals is available to help solve the most demanding applications. Differential Pressure Instruments present specific challenges that PRECISION is uniquely suited to overcome.


  • Threaded offline
  • Flanged flush mount
  • Flanged extended insert
  • Compact
  • Sanitary flush and tri-clamp
  • Threaded flush style
  • Compact & heavy duty compact
  • Wafer

Applications include:

  • Refineries
  • Chemical/Petrochemical Plants
  • Cryogenics
  • Oil/Gas Production
  • Water/Wastewater
  • Pulp/Paper
  • Mining
  • Skid Mounted Process Equipment