chicopee
have you ever tried to throttle 3750 gpm with an 8" ball valve good luck. I test pumps on a daily basis and i have put 3750 gpm through a butterfly valve with a header never a flow meter. use an 8" os&y valve and if you still have a problem check you suction screen for holes and think...
standard anchors powers,red heads,hilti work just fine have put them in quite a few post tension jobs tell your fitters to wrap duct tape around the drill bit so they don't over drill. and if your working in california make sure they are on the fire marshall approved list
If you have broken or misaligned nozzles more then likely you have plugged nozzles and that system not functioning properly if there is a fire. For it to be inside and open nozzle you have a high hazard system. Are you going to put your tag on there and take responsibility of that building and...
try a cla-valve right after your pump set at 175 psi as long as you dont have a high rise with to many floors you should not have a problem but you need to check your calc's. prv's need to be tested every 5 years with a full flow test.
chicopee i understand what your saying but reading pressures dont tell me the preformance of the pump for 3 poin or a 5 point testand with the 1 1/2 outlet full blast at 75gpm wont move a pitot gauge. i can get 75psi out of a 75psi1500 gpm pump watching the pressure and the pump not preform when...
Stevenal- the corosion in the pipes is mic a micro biological organism a bug that eats through the pipe with no oxygen and no moisture the bug cant live there for no pinholes in your pipe over millions of dollers worth of computers.
All i was saying is even air compressors are listed for fire protection these days but im sure you could get a listing or get an ahj to approve the installation of it you have a hell of a selling point. i know a couple huge data centers that would love to here they have your product out there...
nope its a building that has 36 condos i took a fire pump course at oklahoma state university and they didnt teach us how to test cute little pumps like this i have seen bigger jockey pumps. travis i under stand what your saying but how do you do the math on that.
Did an inspection on a condo building that burnt to the ground once from blockage in the main. It was rebuilt and resprinkled it has a residential fire pump is the pump required to have preformance test done annually? It is a 50gpm pump a pitot gauge wont even pic it up and what scale do you use...
