Fire Pump Pressure Switch

Main fire pump pressure switch the purpose main fire pump pressure switch of the main fire pump is to push quantities of fire suppressing water up to the upper floors of a building.

Fire pump pressure switch.

2 the jockey pump start point should be at least 10 psi 0 68 bar less than the jockey pump stop point. Replacement jockey pump controller pressure switch the alco controls series ps 1 pressure switch was furnished as standard in various manufacturer s jockey pump controllers including eaton cutler hammer firetrol and joslyn clark. When additional fire pumps are. These serve largely the same purpose as flow switches sounding the alarm when a head or heads have apparently opened.

1 the jockey pump stop point should equal the pump churn pressure plus the minimum static supply pressure. The turn on for the main fire pump is a water pressure switch. When there s a fire sprinkler heads are going to activate and spray water. 3 the fire pump start point should be 5 psi 0 34 bar less than the jockey pump start point.

The fire pump system when started by pressure drop should be arranged as follows. Fire sprinkler pressure switches on the other hand watch for changes in pressure. 1 the jockey pump stop point should equal the pump churn pressure plus the minimum static supply pressure. 2 the jockey pump start point should be at least 10 psi 0 68 bar less than the jockey pump stop point.