Series 4200

  • Size 1” x 1/4” x 1-1/2” to 6” x 8”
  • Orifice Areas F (0.316 sq2) to Q Orifice (11.39 sq2)
  • Set Pressure Ranges 15 to 1000 psig (1.0 to 68.9 barg)
  • Temperature Ranges -20 to 1000°F (538°C)
  • Flange Classes 150# – 600#
  • Materials of Construction Carbon Steel Stainless Steel Low/High Temperature Alloy Steels Chrome-Moly
  • ASME National Board Certified for Section I: Steam applications
  • Double blow down ring designed to meet the ASME section I reseating standards
  • Thermal disc for ultimate seat tightness safety.

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Farris Steam Safety 4200

Series 6400

  • Size 1” x 2” to 4” x 6”
  • Orifice Areas D (0.150 sq2) to P Orifice (7.087 sq2)
  • Set Pressure Ranges 15 to 1500 psig (1.0 to 103barg)
  • Temperature Ranges -20 to 1000°F (-29 to 538°C)
  • Flange Classes 150# – 1500#
  • Materials of Construction Carbon Steel Stainless Steel Chrome-Moly
  • Flanged Spring Loaded Boiler Safety Valve
  • Available in closed bonnet or exposed spring versions
  • Hardened conical disc for extended seat life
  • Full nozzle design
  • ASME/NB Section I and VIII for Steam

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 Farris Steam Safety 6400

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