This specification covers the following types and classes of extinguishers:
Type I Stored pressure type: Category A – Operational Temperature range -40 to +140 °F (-40 to +60 °C), Category B – Operational Temperature range +35 to +140 °F (+1.7 to +60 °C)
Type II Cartridge operated type: Category A – Operational Temperature range -40 to +140 °F (-40 to +60 °C), Category B – Operational Temperature range +35 to +140 °F (+1.7 to +60 °C)
