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FloTec Diverter Valve
FloTec has a designed valve system to provide a solution to one of the most difficult services in a refinery, that being the transmission of liquid and gaseous sulfur. The goal is to provide a valve with high reliability and proven service history that meets the standards and criteria required by API and refinery piping standards. This application provides Class VI shut off and emergency operation in the event of a need to divert the Tail Gas Stream to the incinerator.



The system incorporates several innovative and practical design features to provide reliability and long service life. These features are unique to this design and are most efficient when combined with proper design of the adjacent piping system and the proper heating of all components in the system. We utilize well-recognized manufacturers for the various components in this system; all of which meet all of the standards required by the refining industry worldwide.



Features and Benefits
  • One-piece thru-bolt body construction with fabricated steam jacket sizes 6-48”
  • Sulfide Corrosion Resistant Disc Material
  • Fire Safe Dual seat design
  • Bi-directional Class VI Shut-off
  • Bearing protection seals
  • Customized valve actuation systems
  • Instrumentation package to meet control system criteria
  • Jog System to provide system integrity check
  • Meets API, NACE standards for Refinery Operations and HAZOPS

As with all sulfur recovery, the propensity for elemental sulfur to precipitate at any cold spot in a piping system creates a requirement for jacketing of all piping elements both upstream and downstream of the valve. Only a complete package of upstream and downstream steam jacketed valves and piping ensures proper heating and flow throughout the system. FloTec has partnered with an industry leading heat trace designer to provide a complete modular solution for any sulfur recovery application. This unique partnership gives us the flexibility to offer both complete steam jacketed systems or independent heat traced components.

FloTec Tail Gas Valve Partial User List

Texaco El Dorado, KS 20" and 24"
Marathon Catlysberg, KY 20", 24"
Marathon Detroit, MI 18"
Phillips Refining Sweeney, TX I2", 20" 24"
Quantum Chemical Houston, TX 8"
Koch Refining Corpus Christi, TX 18"
Ssang Yong Refining Korea 12",24", 30"
Koch Refining Pine Bend, MN 20"
Honam Refining Korea 20", 24"
Koch Downstream Products Streetman, TX 20" 24"
Yukong Refining Korea 30"
OKR/Preen Sweden- 16", 18"
ORL Israel 10"
BP/Arco Long Beach, CA 18", 20"
Phillips Refining- Borger, TX 18", 20",24"
Texaco Refining Wilmington, CA 16", 24"
Tosco Refining, New Jersey 16"
Petrox Concepcion, Chili 12"
BHP Hawaii Oahu, I0"
United Refining Warren, PA 16", 18"
Sincor Venezuela 24" 30"
Farmland Refining, KS 10", 16"
Exxon Baytown, TX 20", 30" and 36"
Placid Refining Louisiana 10"
Marathon Garyville, LA 20", 24"
BP Bulwer Island, Australia 16", 12"
Valero Refining Ardmore, OK 24"
Premcor Memphis, TN 16"
Suncor Refinery Sarnia, Canada 20", 24"
Premcor Lima, OH 16"
CountryMark Refining, Indiana 8"
Sunoco Marcus Hooks 12"
Valero Paulsboro, Penn. 24"
SK Incheon, South Korea 20", 24"