36S: F ⅜ BSP PNEUMATIC SIREN WITH PROTECTION
The F ⅜ BSP pneumatic siren protection is used in firefighting systems in according to NFPA12. It signals the danger and gives the start of safety and evacuation manoeuvres. The positioning of the siren takes place directly, to the main pneumatic source of activation of the system.
- See pneumatic siren test: https://www.youtube.com/watch?v=vmSbkI9U4FU