FIELD: fire safety.
SUBSTANCE: proposed system comprises main circuit arranged behind shut-off valve to feed sensors in the form, for example of sprinklers. Main circuit is divided into secondary circuits. Note here that every secondary circuit is separated from the main circuit by valve that inhibits water ingress into those circuit sections wherein there is no need in it.
EFFECT: compensation for pressure drop in circuit and proper operation in case of fire.
11 cl, 9 dwg
