High Pressure Water Trailer - Anyone Built One?

   / High Pressure Water Trailer - Anyone Built One? #1  

Beltzington

Platinum Member
Joined
Oct 4, 2008
Messages
954
Location
Appling, Georgia
Tractor
JD 3720
Would like to build a portable water trailer with 75-100 PSI at the nozzle. What I have is:

Trailer
275 gallon tank
Electric Generator
Hose and Nozzle

Purpose would be to water livestock and fire control. Assume an electric water pump and fittings is all I would need but unsure if the pump could be run without damage when not spraying water. Your ideas appreciated.
 
   / High Pressure Water Trailer - Anyone Built One? #2  
The short answer is no, the pump would not like it! It depends on what type of pump you plan to use. Some centrifugal pumps can stand running with no flow for quire a while.
One way you could do it is to control the pump motor with a water flow switch in the line between the tank and pump. It could be used to turn the pump off when the water flow stops.
 
   / High Pressure Water Trailer - Anyone Built One? #3  
Not 100% sure but I'm pretty sure you could just set up a bypass after the pump to return water to tank while you have pump running.
Say a valve set at 100 psi so when you cut off the nozzle it simply pops the valve and circulates back to tank.
While typing this I realized you could get an electric switch plumbed in that would cut the power to pump at a set PSI. Something like on a well pump system
 
   / High Pressure Water Trailer - Anyone Built One? #4  
or add a small anti-hammer style pressure tank and standard pressure switch like your well at home.
 
   / High Pressure Water Trailer - Anyone Built One? #5  
Yes, with a pressure cutoff switch, bypass pump or Pressure/Bypass Valve (sends water back to tank once pressure has built up). Not sure about 100 psi though. Municipal water pressure is usually between 45-60 psi.

Near to what I am doing.

Trailer
Water storage tank (275 gal Tote or more)
Insulated Box around components to protect from freezing and to block sunlight to minimize fungal growth in the tank.

Primary Pump System (about the same as a garden hose, RV type setup, for minimal use and always pressurized ready for use)
12 volt pump @ 2.2 gpm, pressure switch activated 35 psi
12 volt battery (deep cycle)
optional solar battery charger
Pressurized Water Well Tank (20 gal bladder tank, keeps pump from cycling frequently)
Plumbing

Secondary Pump System
PTO Roller Pump (could be belt driven by small gas engine)(Volume and Pressure are determined by the pump)
Pressure/Bypass Valve (sends water back to tank once pressure has built up to desired psi) or no valve for volume water transfer.
Plumbing

Note: Both Primary and Secondary are independent so they can be used and plumed at the same time.

Option 3
Gas centrifugal pump to transfer water or to refill tanks from pond, stream or shallow well.

Option 4
Gas powered Pressure Washer, use a suction grade hose directly to the water tank.

There are many configurations depending on your needs. As for watering your cattle, if the tank on the trailer is above the water troffs gravity would work real good with just a 2 inch hose.
 
   / High Pressure Water Trailer - Anyone Built One? #6  
OP - I have the same setup and use a 2" semi-trash pump to fill the tote from my creek, then switch out the lines to use the pump as a mobile fire station when burning brush. I can spray a good stream about 100 feet. Seems to work just fine when closing the nozzle, but I don't leave it running for extended periods. I just shut down the gas motor.

HP
 
   / High Pressure Water Trailer - Anyone Built One? #7  
OP - I have the same setup and use a 2" semi-trash pump to fill the tote from my creek, then switch out the lines to use the pump as a mobile fire station when burning brush. I can spray a good stream about 100 feet. Seems to work just fine when closing the nozzle, but I don't leave it running for extended periods. I just shut down the gas motor.

HP

Consider a water boost pump look at a Agri. store 1"inlet and will knock the snot out of a fly across the other side of a barn.
 

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