Fire Hydrant Systems
Fire hydrants, meeting the requirements of BS 750: 1984 Specification.
This is a very efficient extinguishing system suitable for various plants and high-rise buildings as well as commercial complexes.
The system consists mainly of water storage tanks (underground or above ground), pumps, pipe rings around the building and terminals on the side of the building, hydrant valves, hoses, pipes with nozzles and hose boxes. Hydrating valves are provided on the
main ring of the hydrant stand posts.The system is of two types one is wet riser and other dry riser. The wet riser system is automatic type and dry riser is of manually operable.
In the event of a fire, the hose can be connected to the hydrant valve with the nozzles at the outlet end and the pump can be started. For the automatic operation of the pump, the jockey pump is provided, which normally pressurizes the pipes and, as soon as the valve is opened and the pressure is reduced, the main pump starts automatically.
With the help of pressure and ample water, the jet from the nozzles can be projected to completely extinguish at the base of the fire.