A jockey pump, also know as a pressure maintenance pump, maintains the pressure in the fire sprinkler system to avoid non-emergency starting of the main fire pump. This keeps the main fire pump from short cycling, which shortens its life span.
How often should a jockey pump run?
Greetings Douglas, The jockey pump starts every 30 minutes or so when the pressure drops from 200 PSI to 150 PSI. It only runs for one second.
How do you check a Jockey pump?
Verify start and stop settings on the pressure maintenance pump (jockey pump) by dropping the pressure in the jockey pump sensing line. After completing all inspection procedures, start the pump by slowly dropping the pressure in the controller sensing line. The pump should be run a minimum of 30 minutes.
What is the jockey pump pressure?
Setting Pressure Switches City pressure is 40 psi. The fire pump generates 110 psi at churn. So, the maximum discharge pressure is 150 psi (40 + 110 = 150).
What type of pump is jockey pump?
centrifugal pumps
Why does jockey pump run?
Since pipes leak, over time, the water pressure inside them automatically goes down. The jockey pump senses this, and then fills them back up to normal pressure.
How do you adjust the pressure on a jockey pump?
https://www.youtube.com/watch?v=eIK03RpeLUM
What is the pressure of fire pump?
Fire pumps are rated by the manufacturer to produce a certain amount of net pressure (typically between 40 and 250 psi) at their rated flow. It is important to note that the rated net pressure usually only occurs at the rated flow of the pump.Feb 3, 2020