NAC455C.096. “Safety valve” defined.  


Latest version.
  • “Safety valve” means an automatic pressure-relieving device, which:

         1. Is actuated by the static pressure upstream of the valve; and

         2. Has a full-opening, spring-pop type action that is used for gas or vapor service.

     (Added to NAC by Div. of Industrial Relations by R101-02, eff. 12-15-2004)