Definition
Vane-type flow switches with a 30–90 s delay timer prevent nuisance alarms from pressure surges. Mandatory per floor / per zone in multi-storey schemes for tenant-specific alarm zoning. EN 12259-5, UL 346.
Paddle-type detector that signals water movement in a sprinkler branch line.
Vane-type flow switches with a 30–90 s delay timer prevent nuisance alarms from pressure surges. Mandatory per floor / per zone in multi-storey schemes for tenant-specific alarm zoning. EN 12259-5, UL 346.
Generate a compliant sprinkler layout, run the hydraulic calculation and export a priced bill of materials — checked against EN 12845 and NFPA 13.