Pump testing Flashcards
NFPA 1911 : pumps fail when
10% less than rated capacity
4 times pumps shall be tested?
When new, placing into service.
Annually, with 12 months
After repairs or modifications
After major engine repair or replacement
NFPA 1911 : Priming devices
Must be able to develop 22” hg
Must be able to pull a draft within 30 seconds, 45 seconds for 1500 rpm or larger fire pumps
Test Sight Requirements:
Adjacent to a supply of clear water at least ___ ft deep.
4
Test Sight Requirements:
Water level not more than ___ft below center of pump intake/
10
Test Sight Requirements: Suction strainer
Submerged at least ____ ft below the surface of water
Connected to the fire by ____ ft of suction hose.
2 , 20
Equipment - Suction hose
Maximum suction hose size ___
6 feet.
Equipment - Maximum number of suction lines
2
Maximum lift
10 feet.
Vacuum test : operate primer no more than ____
45 seconds
Vacuum test : maximum vacuum attained shall be at least ___
22 in hg
test consisting : At least ___ of pumping at 100% of rated capacity at ___ psi net pump pressure
20 mins, 150 psi
At least ___ of pumping at 70% of rated capacity at ____ psi net pump pressure
10 mins, 200 psi
At least ___ of pumping at 50% of rated capacity at ___ psi net pump pressure.
10 minus, 250 psi
For two stage pumps: the ___ capacity test shall be run with the pump in the parallel mode (volume)
100%
