Valve Modification

Southern Valve Service is committed to providing top-class factory authorized valve modifications

OEM-Quality Valve Modifications

Technical Competence
Many valve manufacturers and most of the largest Gulf Coast chemical processors and refineries have something in common: Southern Valve Service Inc.'s valve modification capabilities.

These companies trust in our integrity and competence to perform a wide variety of valve modifications on time, to specifications, and within budget.

  • Trim changes
  • Flange conversions
    • Convert Flanged End Valves to Butt Weld End
    • Convert Raised Face Flanges to Ring Type Joint
  • Installation of special packing and gaskets
  • Mounting a full range of valve actuators, from gear operators to sophisticated motor, pneumatic, hydraulic, and electric actuators
  • Special Cleaning
  • Install By-Pass
  • Valve Testing
  • PMI / Positive Material Identification Testing
  • NACE Trim
  • Special Ball Materials
  • Cryogenic Columns
  • Stem Extensions
  • High Head Extensions
  • Bore Changes
  • ***** Many More *****