Mark 93 Series – Steam Traps

The Mark 93 is a balanced port, thermostatic steam trap designed specifically for use in validated clean steam systems. The sanitary design follows ASME BPE guidelines including a 20Ra μin internal finish, self draining design, and all relevant materials, marking and documentation guidelines. The MK93 has been specifically designed to provide higher flow rates at low pressures and low subcooling levels. In lab testing, the MK93 consistently exhibited excellent flow rates at subcooling levels of less than 3°F or less (<1,7°C). Note: Low subcooling operation insures that condensate won’t back up and wet (cool) the upstream validated temperature sensor.

Steriflow Valve Express Product

  • All sizes
  • Tri-clamp connection
  • Standard finishes
  • non-H-P


  • Industry Best Warranty:
    • 2 year warranty certifying that condensate will not back up more than 8″ upstream of trap under normal operating conditions
    • 5 year warranty against material and workmanship defects
  • All ASTM A479 316L housing and barstock internal compounds
  • ASME BPE Tri-Clamp® and ext, tube weld ends, and DIN 11866-A and B (ISO) ext tube weld ends are standard. Other connections are available upon request
  • Self draining
  • Impossible to put element in backwards; one element standard for all traps
  • Interchangeable orientations