Fire Pump Pressure Switch Setting

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Fire pump pressure switch setting. The fire pump system when started by pressure drop should be arranged as follows. Jockey pump would be set to come on at 140 psi and shut off at 150 psi. 2 the jockey pump start point should be at least 10 psi 0 68 bar less than the jockey pump stop point. Jockey pump start 165 psi 10 psi 155 psi v.

To assure that the fire pump runs when it is supposed to and the jockey pump won t interfere with fire protection the fire pump sensing system should be set up in this arrangement. Jockey pump stop 115 psi 50 psi 165 psi iv. Depending on the type of pressure switch the fire pump would come on at 130 135 psi. Nfpa 20 covers the settings.

Pressure settings for fire pump controllers. 50 psi from city minimum static. 1000 gpm 100 psi pump with churn pressure of 115 psi ii. Fire fighter vinod choudhary 33 372 views 29 33.

Let s say the pressure is 150 psi. 1 the jockey pump stop point should equal the pump churn pressure plus the minimum static supply pressure. Start the fire pump and note the maximum pressure on the discharge gauge. Examples of fire pump settings.

1 the jockey pump stop point should equal the pump churn pressure plus the minimum static supply pressure. Fire pump house completely information all pump line in hindi main pump jocky pump diesel engine duration. 60 psi from city maximum static iii.