I want to setup a portable fire pump to pump out of a lake and about 20' uphill and will need 150'-200' of hose. I hear that 2" hose is too hard to handle so I am considering the Honda WH15 or WH20 with 1-1/2" hose. I am getting different info on reducing the pressure hose size (from 2" to 1-1/2") as some say that will damage the pump?? (I guess it makes sense when using a high pressure pump) That is why I am considering the WH15 with 1-1/2" hose but with that much length I'm not sure about friction/pressure loss. I have seen a few different pumps with a higher pressure rating than the Hondas or higher head rating but without going over my budget ($1000) that may be tough. Anybody think the WH15 is enough pump for that much hose?
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What makes you think a centrifugal pump will be damaged from pumping water???????????????????????????
All the fire pump is is a circulator!!!!!
It all depends on the total head pressure you are going to have in dealing
with a self priming centrifugal pump.
I am assuming you want fire protection in your part of the Cascades????
Dont forget the entire water column in that discharge pipe is in dire need of
wanting to go backwards through the pump volute and back down the suction
hose to the strainer and back into the lake where it came from.
We do not know what the suction head is or the length of the
discharge head is to obtain the total head length,we must have that
figure or at least you do.
Using your inch and a half pipe hose figure with 115 gallons per minute flow and 240 feet of total head
you will have at least 90 feet of head loss and the pumping exercise becomes useless.
You need:
1. small deep well submersible pump
SO:
the parts need to be laid out like this:
Deep well pump carried by a PVC pipe raft
Pipe nipple
1 inch TEE
1 inch pipe plug used to drain water from first length of poly pipe
1 inch barbed fitting for black or blue poly pipe
1 one hundred foot roll of poly pipe
1 schedule 40 metal one inch pipe to barbed fitting
1 one inch female/female check valve
1 one inch galvanised steel pipe nipple
1 schedule 40 metal one inch TEE
1 one inch metal pipe plug to drain upper section of poly pipe
After this you can connect sprinklers or fill tanks for fire protection.
you can pump many hundreds of feet with a submersible pump with very low amperage
as the pump will operate until you unplug it and you can run a battery of sprinklers
if you are keeping the land wet.
The deep well submersible has a check valve in it already so it will not lose it prime
unless is becomes stuck open. the second check valve prevents the loss of the water
in the second length of one hundred foot of poly pipe.