DS EN 12259-4:2000
DS EN 12259-4:2000 Fixed Firefighting Systems - Component For Sprinkler And Water Spray Systems - Part 4: Water Motor Alarms Defines requirements for construction and performance of water motor alarms for use in conjunction with alarm valves conforming to EN 12259-2, EN 12259-3 and EN 12259-9:1999 used in automatic sprinkle