/ 4200 Series – Steam Safety Valve

  • Flanged Spring Loaded Boiler Safety Valve
  • Full nozzle design
  • Open bonnet design
  • One piece guide
  • Low stem bearing point
  • Temperature equalizing disc
  • Heavy stainless steel lock screw studs
  • Test Gag Optional

General Specifications

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
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