Excellent! Makes total sense as I put on a 2.5 size nozzle for my 3000psi/2.5gpm machine and sure enough it can't handle the load and stops! I couldn't understand why before this video but like you said it goes into bypass since it can't take it and shuts off the engine to save it from damage! I checked the numbers on the nozzles and the old ones are 3 and they work well but 2.5 won't! Thanks so much for the help!
I was told by the manufacturer that putting a 6.0 nozzle on a 4000 psi 4 gpm machine was a better way to reduce pressure for certain jobs than messing with the unloader all the time. This video seems to agree.
Again see below comments but it is all dependent on the manufacturer. On most industrial units the serial plate has the orifice size on the tag. Stick with that.
Hello guys. I have a nilfisk Pressure washer with 190bars max pres and 650l/h max flow. The correct nozzle for this is the 3.5 but i already have some 3.0s. Is the 0.5 difference big? Will i overstress the motor? Should i buy the 3.5? Thanks! :D
It feels like your video and this one contradict each other th-cam.com/video/3mGkOE6awms/w-d-xo.html It seems they are encouraging you to use nozzles to change the pressure and not to use the unloader because using the unloader to change the pressure is bad for it. Then it seems the instructor here is stating the opposite? It could just be that I'm confused though, I would love to hear some feedback though.
You do not use nozzles to change pressure. As stated the orifice size is a reflection of motor and pump ratings, pulley sizes etc. Stick with the correct nozzle orifice. Spray patterns are something else. That can change with nozzles but all have to have the same orifice.
Not arguing. In most cases the product is built around one orifice size. To get UL certification and for safety and product warranty. I’m not saying they don’t experiment but I have been in the business for 37 years and if you don’t know what you are doing, or are an engineer, or don’t own the company then I would use what the manufacturer puts on the serial tag as that’s what it is supposed to be. Seen way too many issues when the end user decides to experiment. Not worth it and can cost money in uneccessary repairs.
Thanks for the video! Very interesting! I didn’t realize that the orifice nozzle size is so important!
Excellent! Makes total sense as I put on a 2.5 size nozzle for my 3000psi/2.5gpm machine and sure enough it can't handle the load and stops! I couldn't understand why before this video but like you said it goes into bypass since it can't take it and shuts off the engine to save it from damage! I checked the numbers on the nozzles and the old ones are 3 and they work well but 2.5 won't!
Thanks so much for the help!
Is it happen with electric or gasoline pressure washer ?
You are welcome.
@@harisyoung4110 it shouldn’t matter. Same thing will happen on both.
I was told by the manufacturer that putting a 6.0 nozzle on a 4000 psi 4 gpm machine was a better way to reduce pressure for certain jobs than messing with the unloader all the time. This video seems to agree.
That is true. On industrial units the unloader is set and forget. Not to be used for anything except setting initial spike pressure.
the last 2 digits means the diameter of the hole. you have to look it up to see the diameter of it. 40 is about 1.3mm diameter hole
My electric 2175 psi 2.1gpm.. in
chart 2.85 orifice.. can i use 2.5
orifice .. is it safe?? Or must we go with 3.0 orifice??
I have a 3500 psi/5gpm pressure washer. What size of spray tip would I need? Thanks
excellent tutorial. THANK YOU FOR YOUR TIME,
Please reply i have karcher k7 with right nozzle i use ? 10L/m and 180 max bar pressure
Guys, love your video! Quick question. What's your recommended orifice size for a 1900 psi 1.2 gpm electric pressure washer? Please help!
Again see below comments but it is all dependent on the manufacturer. On most industrial units the serial plate has the orifice size on the tag. Stick with that.
Hey guys I have a nozel with 25025. Is the last 3 numbers a 2.5?
Indeed it is. So it would be a 25°, 2.5 size.
what color nozzle do you use to adjust the unloader psi?
As long as you use the right orifice size the spray pattern shouldn’t matter. Colors denote spray pattern.
Welldone gentleman
Thank you
What type of nozzle would you use for the new 10gm 24v North Star pumps?
Only use the nozzle orifice sizeas specked by the manufacturer on the serial plate of the unit.
Hello guys.
I have a nilfisk Pressure washer with 190bars max pres and 650l/h max flow.
The correct nozzle for this is the 3.5 but i already have some 3.0s.
Is the 0.5 difference big? Will i overstress the motor? Should i buy the 3.5?
Thanks! :D
I would always buy the correct size as it will overstress not only the motor but the unloader etc.
How do you fix it to the fun !!!
Fixed to gun and gun spits it off 🤪
It feels like your video and this one contradict each other th-cam.com/video/3mGkOE6awms/w-d-xo.html
It seems they are encouraging you to use nozzles to change the pressure and not to use the unloader because using the unloader to change the pressure is bad for it. Then it seems the instructor here is stating the opposite?
It could just be that I'm confused though, I would love to hear some feedback though.
@Miguel A, thank you.
Do you have recommendations on where to find the varieties of nozzles?
You do not use nozzles to change pressure. As stated the orifice size is a reflection of motor and pump ratings, pulley sizes etc. Stick with the correct nozzle orifice. Spray patterns are something else. That can change with nozzles but all have to have the same orifice.
Not arguing. In most cases the product is built around one orifice size. To get UL certification and for safety and product warranty. I’m not saying they don’t experiment but I have been in the business for 37 years and if you don’t know what you are doing, or are an engineer, or don’t own the company then I would use what the manufacturer puts on the serial tag as that’s what it is supposed to be. Seen way too many issues when the end user decides to experiment. Not worth it and can cost money in uneccessary repairs.
Gun not fun - bloody Microsoft
Thank you