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Sapag Series 9100 Safety Relief Valves
Series 9100 Safety Relief Valves
High performance safety valve for the protection of large boilers and superheaters, certified to ASME Section I


  • National Board Certified to ASME I (3% overpressure, 2 to 4% adjustable blowdown)
  • A true main steam valve for boilers and superheaters
  • Butt welded (BW) or flanged inlet
  • Hard faced seat
  • 2 adjusting rings
  • Thermally balanced disc
  • MONEL piston and guide
  • Disc loaded at seat level
  • Factory setting on steam