Principal Technology customers PLC DCS machine interface development, fabrication testing logic control
SRU Control Systems

Principal Technology’s design professionals have special expertise in the design, fabrication, and integration of control systems for Sulfur Recovery, Tail Gas Treating, Amine Treating, Sour Water Stripping, and Incineration units.

Our Sulfur Recovery Unit portfolio includes:

  • SRU Combustion Air Controls
  • Thermal Reactor Front/Rear Split Temperature Control
  • Electric, Hot Oil, Steam, and Indirect Fired SRU Reheater Control
  • TGU Hydrogenation Reactor Control
  • TGU Reducing Gas Generator Control
  • Oxygen Enrichment Control
  • Oxygen Injection Control
  • Pilot Ignition and Burner Management System Controls
  • Dual Wavelength Flame Detection
  • Infrared Pyrometry Temperature Monitoring
  • Hydrogen Sulfide (H2S), Sulfur Dioxide (SO2), Lower Explosive Limit (LEL) and Oxygen Monitoring Systems