How much pressure do you use when cleaning hoods

How much psi do you use when cleaning kitchen exhaust

  • Total voters
    18
Good questions Russ
My machines are 3500 PSI but I have a dual lance wand to reduce my pressure when needed, I have found that gallons pre minute to me is as important as PSI
I have two machines one is 4 gallons per minute and the other one is 5 gallons per minute. From my experience you can use less GPM and PSI to clean kitchen exhaust hood systems.
Is 5 gallons pre minute to much water when cleaning a hood system? No it will allow you to clean faster, I have used machines that produce less GPM and these machines also work OK, it seams to take longer with a smaller machine therefore using about the same amount of water pre job.
The other machine I have used is an electric pressure washer, 1200 PSI at 2 gallons pre minute and this machine will work and do the job just a little slower on the cleaning process
Hot water is a must when cleaning the exhaust hood systems; I have my machines set at 180 degrees to 200 degrees. I have read that some hood cleaners will set there machines at a higher temperature but I have found this adds to much ware and tare on the machine. So the PSI, GPM, and temperature all plays an important role when cleaning.
 
Low PSI - let the chemical work. With the low PSI, you will not blow your plastic out and your clean up is much less.
 
Twas an attempt at humor, Russ.
I use 1000 up to 1500 psi.
The 35oo psi machines usually put out about 5 gpm. 1000 psi machines put out 2.2 gpm. Easier to control and clean up. Also 3500 psi tends to blow out the caulking inside the hoods and ducts. Of course some will say that that is not true, but each to their own. On the positive side a 3500 psi machines overspray can scatter the group of spectators watching the job.
 
Last edited by a moderator:
Russ, We use machines with 2.2/1500 - 5.5/3000. We never run anything at max psi. We use different tips to lower the psi. The 5.5 we usually run at 1500-1800psi. Let the Chems do the work. Personally I like more gpm than less.
 
chirs said:
Good questions Russ
My machines are 3500 PSI but I have a dual lance wand to reduce my pressure when needed, I have found that gallons pre minute to me is as important as PSI
I have two machines one is 4 gallons per minute and the other one is 5 gallons per minute. From my experience you can use less GPM and PSI to clean kitchen exhaust hood systems.
Is 5 gallons pre minute to much water when cleaning a hood system? No it will allow you to clean faster, I have used machines that produce less GPM and these machines also work OK, it seams to take longer with a smaller machine therefore using about the same amount of water pre job.
The other machine I have used is an electric pressure washer, 1200 PSI at 2 gallons pre minute and this machine will work and do the job just a little slower on the cleaning process
Hot water is a must when cleaning the exhaust hood systems; I have my machines set at 180 degrees to 200 degrees. I have read that some hood cleaners will set there machines at a higher temperature but I have found this adds to much ware and tare on the machine. So the PSI, GPM, and temperature all plays an important role when cleaning.
Click to expand...
Hello , when you say , you have them set for 180 degrees to clean commercial kitchen vents/ hoods / fans ect Is that Fahrenheit or Celsius ?
 
You must log in or register to reply here.
Back
Top