Crosby H Series Safety Valves

Crosby H Series Direct Spring Safety Valves

The Crosby H-Series direct spring operated safety valves are the proven solution for comprehensive overpressure protection for steam safety applications including economizers, steam drums, superheaters, reheaters and more. 




  • ASME/NB certified capacities for steam. 
  • Set and tested on steam. 
  • ISOFLEX seat tightness up to 96%.* 
  • Tight shutoff. Full nozzle flanged option. 
  • Restricted lift for customized capacity. 
  • Long service life. 
  • Low maintenance. 
  • Two ring set pressure and blowdown control. 
  • Achieved under laboratory controlled conditions.

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