606.11 Discharge and termination of pressure relief devices.
FC § 606.11
Pressure relief devices, fusible plugs and purge systems for refrigerating systems containing flammable, toxic or highly toxic refrigerants or ammonia shall comply with FC 606.11.1 through 606.11.3. Discharge piping and devices connected to the discharge side of a fusible plug or rupture member shall have provisions to prevent plugging the pipe in the event of the fusible plug or rupture member functions. Discharge from systems containing Group A3 or B3 refrigerants shall be approved by the department and the Department of Buildings.













