Process Valves > Ball Valves > A-T Controls Series F91

A-T Controls Series F91 Flanged Regular Port Fire Safe Ball Valves

The Triac A-T Controls Series F91 flanged, regular port ball valve is a fire safe, unibody, manual valve with a high quality investment cast body and end. It comes in sizes 1/2" to 6" and is available in stainless or carbon steel. 50/50 seats can be used for high temperature and difficult applications.

The F91 series uses A-T controls patented, “pyramidal” stem seal system for superior leak protection. This advanced system protects your valve against wear and leakage, and reduces your plant’s fugitive emissions.

The Series F91 is easy to automate! See pneumatic and electric automated datasheets for pre-sized assemblies.

Key Specifications

  • Regular port; Sizes 1/2" to 6"
  • ANSI Class 150# flanged connections and ISO 5211 mounting
  • Anti-static and firesafe (API 607 4th edition certified)
  • Pyramidal stem packing system; Blowout-proof stem
  • Locking handle standard
  • Each valve is traceable (MTRs available - contact us for details)
  • 50/50 seats optional for high temps
  • Compliant to NACE MRO175

Supporting Documentation
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