wehaulmove
ok here is the situation, I have two 3000PSI pressure washer pumps, and a gas engine, If I took both and connected them to the motor, supplied enough water flow and used a coupler to join the output on both, will I get 6000psi of water pressure or will I end up creating back pressure and possibly damaging the pums, or will I get killed in the process.
I hope someone with an engeniering degree reads this, maybe I can get a valid answer. oh and forgive me for my spelling disaster here....he he he
Answer
Pressure does not add up like that. If both pumps put out 3000 psi then the pressure would be 3000 psi.
If there was a large difference in pressures between the two pumps, you could create some back pressure for the smaller pump, this pump would back up on its pump curve and its output gpm would go down. If it is to great a pressure difference for the pump, the pump could spin or even cavitate which then could cause problems.
But, you have one motor connecting to 2 washers, you might not even get 3000 psi since the horsepower from that motor is being shared since the motor is now seeing twice the load. Check what the motor HP is and what HP is required by each washer.
I think you are safe so far ;)
Pressure does not add up like that. If both pumps put out 3000 psi then the pressure would be 3000 psi.
If there was a large difference in pressures between the two pumps, you could create some back pressure for the smaller pump, this pump would back up on its pump curve and its output gpm would go down. If it is to great a pressure difference for the pump, the pump could spin or even cavitate which then could cause problems.
But, you have one motor connecting to 2 washers, you might not even get 3000 psi since the horsepower from that motor is being shared since the motor is now seeing twice the load. Check what the motor HP is and what HP is required by each washer.
I think you are safe so far ;)
Please explain how pressure washer work and its pressure generating principle.How big psi can 12V can generate
adhikari_s
I am looking for a pressure pump(washer) that generates 1500-5000 psi applying 12V DC battery. How many batteries required ?
Can I buy such pumps in the market ? please give more information on it.
Answer
My pressure washer has a 5 horsepower motor and creates about 200 psi. The short answer is that car starter motors create 5 to 10 hp for a short while but get hot fast. One battery will do the job for a very short while. The easier way is to use an electric washer, convert the 12 vdc to 120vAC with an inverter and wash away. The amount of batteries will depend on how long you want to operate at high pressure. The more the better. Can you buy such a pump, sure, convert a small home electric unit. Another good source for this stuff is West Marine, check their website and they have a great tech staff and no I don't work there.
My pressure washer has a 5 horsepower motor and creates about 200 psi. The short answer is that car starter motors create 5 to 10 hp for a short while but get hot fast. One battery will do the job for a very short while. The easier way is to use an electric washer, convert the 12 vdc to 120vAC with an inverter and wash away. The amount of batteries will depend on how long you want to operate at high pressure. The more the better. Can you buy such a pump, sure, convert a small home electric unit. Another good source for this stuff is West Marine, check their website and they have a great tech staff and no I don't work there.
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