Fire Fighting System

Sprinkler heads are the key components of the fire fighting system Heads must be suitable in design, performance, application and temperature for type of property it is protecting  Standard heads are marked with SSU (standard sprinkler upright) or SSP (standard sprinkler pendent) on the deflector Side wall heads may be pendent, upright, or horizontal The […]

Pipes are not filled with water All sprinkler heads are of the standard type (they are closed), A detection device opens a water valve Water fills the pipes Water only flows from a sprinkler head if it is opened by heat from a fire, Water flows until shut off and system is reset Used primarily

All sprinkler heads are pre-opened A signal from a detection device mechanically opens a water valve water fills the pipes and flows from all heads water flows until shut off, system is reset Primarily installed in special hazard areas that have fast spreading fire Usually requires several detectors to activate before discharging. Pipes in protected

Dry pipes systems are used in unheated buildings, but the valve room must be heated, Dry pipe systems are more difficult to design than wet pipe systems and are harder to restore. Pipes are not filled with water (but with pressurized gas or air), Heat from a fire opens a sprinkler head Usually only one

Pipes are always filled with water. Heat from fire opens a sprinkler head. Usually only one or two heads open Water flows until it is shut off The open sprinkler head(s) is replaced and the system is reset A one-way clapper prevents water from re-entering the water supply Gauges on both sides of the main