How to Setup the Perfect PSI on Your Spray Gun
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- Опубликовано: 29 сен 2024
- In this Episode I show you the best and most effective way to prepare your vehicle for paint!
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Products in this video:
3M Performance Spray Gun: amzn.to/3BXUwPu
DV1 Clearcoat Gun: amzn.to/3BBqL5O
DV1 Basecoat Gun: amzn.to/3RcSQ9j
Clearcoat: amzn.to/3UsNgm1
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Paint Gun Cleaning Kit: amzn.to/3qZ4dXM
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Gun Cleaner: amzn.to/3LDv2tW
Water Cleaner: amzn.to/3Budv2V
3M Soft Saninf Sponge: amzn.to/3uX6yV0
Prep Cleaner: amzn.to/3fZ2KPn
Tolecut Sanding Dirt Nibs: amzn.to/3PFDcEm
Griots Garage Polisher: amzn.to/3jeim2p
Milwaukee Mini Buffer: amzn.to/3G28ORm 
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I'm a hobbyist watching these videos (using an Iwata PS-290 and spraying small items) and seeing the same thing with droplet size, the larger droplets are just not blending well together. It's such a fine balance with the air pressure, paint viscosity and spray distance/speed. Thanks for the explanations.
I like the fact you explain the reason behind everything. For me that’s what a good teacher does.
so true ... many veterans would never truly teach you the 'ins and outs' ....
Great job. Learned several points in this video. Liked your explanation and visual of how spray pattern and droplet size should look.
Ah how i miss those white board and white sheet paper to talk about gun air pressure theory. Good job Brian. Just like oldskool days. Love it like in a paint classroom listening to the teacher talking about paint theory haha.
This is excellent, I had problems with dry spray and uneven pattern on my last panels, i will have a go at this - I suspect my pressure was too high.
Great instructional technique and information.
Merci pour vos conseil le dire et le faire c'est une chose en pratique c'est pas facile 🤣 bonjour de la FRANCE
Awesome video to save to a RUclips playlist for future reference 👍
Hola buenas tardes, yo en la empresa a la pintura la trabajo con 2 bar de presión y al barniz lo trabajo con 2.3 bar y con una mano y media queda de 10 y bien planchando. Abrazo 🇦🇷🇦🇷🇦🇷
Thanks very much for your tutorials, I'm finding them really helpful to get me started as a beginner! However, I have a question about this one... I get that the PSI is important to get the right atomisation but you didn't talk about the paint control setting. Is it fully open? Have you throttled it back? Surely that then has a bearing on your spray pattern etc? Thanks for any advice!
Regarding setting pressure at the compressor: with my home setup, it seems that I can't get 30psi (or so) at the gun, without having it set pretty high at the wall. I have an 80 gallon compressor in my cellar below the garage. Hard piped up into the garage. Then I have an Eastwood filter/dryer/regulator, then 20ft hose to my filter & regulator at the gub
As long as it doesn’t have to regulate 120 at the gun then you’ll be fine. Every system is different so you’ll probably need to pump the pressure up a bit at the compressor if you can
I have a devilbiss GTI with a 1.3 tip. For some reason i get a horrible spray patern when im in the 20 to 25 psi range. It only seems to atomize well when i increase it to around 45psi; however, as you mentioned, it dries too quick. When im shooting between 20-25 i get large droplets. Please help!
Jolis les poussières dans du noir, bon polissage, cool 😎 😎
Man, not having the fan knob on the side where you can roll it with your thumb like SATA, is prehistoric. Especially on restoration full body sprays. I change the fan 100 times to get in areas around the window openings, door jambs, cowl and hinge pillar.
I'm digging your videos. I have been a DIY painter over the last 25 years or so and have painted half to all of a vehicle about 16 times. Up until now, I have been using a Sata 90 styled knockoff gun. I've been restoring a Karmann Ghia and decided to treat myself to a Devilbiss GPG. It came with a regulator, which I believe is just a cheater. It ready my full supply pressure (90) until I hit the trigger (26ish). This is a cheater, correct? The regulator I used to have would read close to the spray psi and would only drop 2-3 psi at trigger pull. Is this a diaphragm style? I remember hearing you say something about one type over the other. Might you advise me on that, as I want a good setup for the new gun. Thanks and great videos!
Yes correct. I actually prefer these. Glad you’re enjoying the channel!! Thanks for your support
❤
Thanks to this guy my GTO turned out great. The local paint shop wanted 3000 $ just to spray it, not including material. just material cost me a little over 1000$ and I did it myself, and I couldnt have done it without this guy, he doesnt waste time with anything that doesnt need to be said, .
Thanks brian my 12 year old and my 15 year old just painted the body on my 69 camaro by themselfs with your videos on my driveway and it came out better than 15 years ago that was done by professional thank you
I loved these type of videos, especially if you don’t paint everyday or do it for a living. I may paint 2-3 panels a year. Lots of good reminders and tips you forgot about. Thanks
Totally agree!
Thank you Brian: I am a retired Army aircraft painter who knew nothing while working because no one knew enough to teach others. I have learned more watching your videos then I learned while working. Thank you. There sure is a lot to learn!! ❤
Me too just thinking of some touch up on our car.
😮😮
@PaintSociety sorry to bothered you but I have a 2005 honda civic 2 door coupe, I have taken off all body parts to sand and prime individual. I o ly have a 6 gallon craftsman air compressor, is that good enough to ,prime, paint, and clear since the hole car is in individual pieces. Thanks for your time.
This is one of the best automotive channels on RUclips and Brian should have multiple awards on his mantle.
Thank you !
Decades ago when I was painting, I mounted a true pressure regulator on my guns, not just a variable restriction valve as we see in the beginning. This was long before HVLP was invented, but maintaining the exact pressure to get perfect fan and atomization was just as important. With a true pressure regulator the difference indicated with trigger off, and full air flow, is virtually the same, not high pressure off, and way lower with flow. Setting the spray pressure with test pattern as we see here is a critical skill to develop. It only takes a few moments to adjust and look, adjust and look, then get to the job. This is a fantastic video! Makes me want to paint again, after 30 years away from the craft. I was part owner of a hi-fi speaker company. I painted thousands of cabinets with everthing from full automotive finishes to classic clear urethane clear wood finishes. Also painted guitars for a few luthiers, solids and metallics, even metal flakes. Lots of fun with the custom stuff👍👍
Dude, I watch your channel exclusively. I am done watching backyard auto body since I found you. Great job explaining detail. My daughter and I are restoring a 1988 Bronco she bought. I am in the middle of body work and constantly watching your instruction, in preparation for the upcoming paint. I feel confident that it will be a great paint job, thanks to you. Awesome channel. Thanks Bro!
Was it a great job?
First, I love your videos. You mention that the DV1 sprays at a lower pressure but I noticed the digital gauge is close to the air cap. I recall taking a seminar years ago and I think it was PPG that gave a very low PSI rating and the instructor explained that this low pressure was AT THE AIR CAP and then explained that no gun (at that time) had the ability to measure pressure at the cap therefore the tech sheet psi was very misleading and was causing problems for people. I just went online and found the manual for the DV1 and there is a chart in it that says that inlet to the gun of 29 psi equals 15 psi at the digital gauge. So in reality, it doesn't spray at a lower pressure, it simply displays the lower pressure which is present at the air cap which is something all guns could benefit from in my opinion as it removes the pressure drop between the two which would be different for each gun.
you are a great teacher. you explain everything very well. just spent my whole weeked watching your videos and tossed everything out of my head that i thought i knew about painting and starting over now. but its not a bad thing to just take a step back once in while and relearn something i like to do
thank you for all your great videos and tips
I’ve just purchased a Devilbiss SRI Pro Smart, and can’t for the life of me get a good coat with it. Lacquer is coming out extremely dry and no matter what I do I’m getting the same result
This is some of the best content. THANK YOU BRIAN. Hardware info in a great package. Would love a similar vid on compressors and which ones would be enough, which ones wouldn’t, and how you apply their specs .
Awesome vid👍 Like you say, "Don't overthink it, it's just paint". I'm just a self taught home painter and when I first started I stressed alot about what gun to get/what psi to use. I now look at what material I'm using, the viscosity taking into consideration how much it's thinned/mixed, the temperature of the material, ambient temperature, using an appropriate tip gun, and adjusting the psi/fan/fluid to get the right pattern/atomization. Spray guns are not complicated. They all spray paint they just have different tips and air caps that change the placement and size of the airholes. Some are better at certain jobs than others but all basically do the same thing albeit with some workarounds and fine tuning. I guess it is alot for beginners. I appreciate videos like this that break the info down for the beginner and a refresher for people who don't spray all the time like me👍
Mate only beginners need refreshers
Excellent video!! As always Brian it's great how you go into so much detail, you are an outstanding instructor not only for diy people but also the men and women stating out in the trade. Keep the videos coming Thanks
Thank you Arnold !!
Thanks for the video. You taught me the relationship between air pressure, material volume and viscosity. When I've got the spray gun in my hand, and the work in front of me, that is what I want to understand; and how to make adjustments to achieve the optimum spray pattern. I have always re-sprayed my own car when required, but often have had too much pressure and too much volume, resulting in 'orange peel'. With acrylics, this takes ages to sand back because the coatings are so hard. On he strength of your advise, hope to get it right next time.
One of the best teaching videos Brian, awesome and learnt so much from it. Keep up the great work brother. Much respect
Agreeing with the video. Before I started painting, and having only a 20 gal/175 psi comp, I thought I could use my hose volume as an extra supply of high pressure air and that the regulator on the gun could step that down to a precise 22 psi for me. I did some testing amd proved to myself that this DOES NOT WORK! Reasons: 1. the gun regulator cannot handle that large a delta P with any precision, and 2. even if your gun regulator could handle such a high delta P, the hose pressure will drop tremendously as the compressor’s tank pressure drops - it will not stay at that high pressure. So your gun regulator is going to play hell because its inlet pressure is dropping continuously and by a LOT. Exactly as the video says, I keep my hose pressure at 45-50 psi and I try to get my coats done before the tank pressure drops to that pressure because below that pressure, my air delivery will start to change because the delta P at the gunis not longer more or less constant. This and pre-shoot patterning on the wall have kept me from screwing up so far. So yeah this is why larger volume tanks and higher cfm compressors help you cover more surface area per coat.
One thing I found out is if you're using a Chinese spray gun you need to set a higher pressure to atomize the paints especially clear coat.
Great video as always Brian. One thing that I think it is very important for people to understand about the DV1.
It isn't that the gun is somehow magically able to spray at very low pressure, it's that the gauge on that gun is reading the pressure higher up inside the gun vs at the inlet. The inlet pressure from the wall is going to be similar to most other guns.
If you were to use the version of the DV1 that doesn't have the digital gauge and wanted to use a traditional gauge at the inlet or on the wall, you would set it up as Brian is demonstrating for guns in general (22-25psi to start).
if only people read the manual on the DV1 it would explain all of it, 15psi on its digital gauge is 29 psi on a standard gauge.
I have only painted, 2 of my own cars . Soooo awesome to hear, a “PRO” , explain proper gun pressures. “THANK YOU BRIAN” !!!!! 🏆
All i know is that gun is hels expensive 😵
Awesome demonstration! Looking at the edges really made a difference in the changes made.
Glad it was helpful!
Terbaikkkkk bohhhh
Thanks for your videos. I am painting my second car now with your video help. Mine isn't coming out as good as yours but for having a cheap gravity feed gun, painting outside and never painting a car before, I am quite pleased with my results. I have had project cars in the past that I never finished because I was to afraid to paint. But listening to you, don't over think it, it's just paint, made me do it. This one is a van I am painting 2 tone. If you haven't already, you should do a 2 tone video.
Thanks for these excellent videos. As a first timer on painting I am also trawling the back catalogue. Basics videos like set up and cleaning have been really useful.
I would love to see how to paint a roof on a high SUV / Truck with a gravity gun. I am finding quite few challenges!
Great video, and well explained. This is definitely going to help me get used to my new HVLP setup. I couldn't get my primer to spray yesterday. It was extremely slow coming out and did not fan properly. Adjusting the pressures didn't help with it. I assume it needed to be thinned. But today with the paint, I feel like I will be better prepared. Thank you
Brian , you do such a nice job with making these videos. By following your instructions I was able to see and understand why using the proper tip size is so crucial especially when spraying 2k primer . with the 1.3 tip I was getting a texture finish the spray pattern was to fine . I just wanted to get a little practice, as you always say consult with the manufacturer, I called them. They said I could reduce the product or switch to a 1.9 / 2.0 tip I am looking forward to doing a little practicing with everything set up properly….
Hey Brian thank you so much for posting these tutorial videos! You are a natural teacher, and I can follow 100% of your explanations in the first time I watch
You're very welcome!
Hello Brian, from Ecuador 🇪🇨 . Sending you a big hug. I have the same Iwata LVLP gun you show in the video when applying the Sealer. My question is... Should I use the same working pressure of 22 PSI when working on wood and spraying nitrocellulose lacquer? Does the same pressure apply as when you use polyurethane? Thank you.
Your videos give me the confidence to paint at home!! Thanks Brian
Please do a comparison of a siphon gun and a HVLP gun. Watching you I believe I get less overspray with my siphon gun than the new HVLP. I know someone has convince OSHA the HVLP puts out less.
I'm new to using air compressor to paint and wanted to know what you do for moisture issues?
That's a nice looking parts rack you've got that door on.
Wouldn’t it be nice to see a detailed video on the parts rack?
Phillip Hall
Hi, if you coat half a panel in lacquer and then let it dry. Can you blend in the other half and get a flawless finish?
Just discovered your channel.
I spray with W400 and pro lite for base.
Sata 2rp and 3rp for clear. 1,2mm / 1,3mm
Do you have any advice for setting on the Satas ?
They are a bit of a different beast compared to the other guns. I have used everything on max and 29psi.
The overspray is a consern.
Its like a London Fog when spraying clear.
Love your tips and trick Brian. When you were spraying clear were you full throttle? Btw i love the Sagola 4600 trophy truck, its sprays so beautifully
That’s a great topic for a video. I’m about 85%
@@PaintSociety i know you always set your guns to wide open, so would the result be the same if you adjusted the fluid tip to 85% and held the trigger wide open? Also another question. I see on the market theres touch up guns basically mini versions of the full size. Tip size in 0.8. Do you ever use them?
Excellent video! Now I need to check my pattern. Not sure if the gauge in the booth is wrong but I have to keep the reg on the wall quite a lot higher than the gun or I will lose too much pressure. Your channel is excellent for novice painters like me.
me too my line pressure is 70lb to get 25lb at my gun regulator
@@vancecollom Maybe your air line is too small and not flowing enough air.
My gun says to use at least 45psi and the paint shop owner told me to spray at 4 bar (60psi?) Isn't that way to high???. It looks like a normal gravity fed gun. This is my first time painting. My compressor is a 3 cylinder 13cfm. Should I paint at this high psi or dial back the volume and drop the psi to around 35? I played round with a panel and primered it at 35 to 40 psi and had the fan and volume wide open. I ended up with parts of the bonnet having a bumpy gritty feel and after wards I ran my hand over it and it was covered in heaps of paint dust. I'd really appreciate any advice. Thank you.
I know devilbiss makes the dv1 clear gun but has anyone sprayed clear out of the base gun with a 1.2-1.3 tip?
The only issue with running gun pressure at the wall is when you want to blow off the panel or vehicle.. it sucks having low pressure for that. But you are definitely right.. it’s the way to go and I’ll probably adjust mine down some more after watching
Thanks for watching !!
Happy New Year Brian. Another V well explained video, simple and to the point with plenty of examples as usual. Loved the "back yard" spray can video too. This is how i do nearly all my painting, Will do more morning work in the future where possible to avoid the flies etc in the afternoon. Thanks again from the UK
Happy new year!
A “smoother factory style orange peel” at the 18:36 mark is what you say is consistent with what you want. Most car manufacturers do have a slight orange peel to it, but wouldn’t most want to eliminate it altogether? I enjoy the annual EAA Oshkosh air show where many experimental plane builders put together their own creations. While a few paint jobs might have a slight orange peel, quite a few do not. Is it possible to paint without any color sanding a nice smooth glossy paint job without any orange peel?
Big difference between guns vs bike master cylinders etc is brake fluid. Eats off every paint I've tried, including ones boasting tolerance of brake fluid.
How about if you are still using your Binks guns from the 50's and 60's and your damn good at hand crimping the line at various pressures?
Hi i Sony have a Air regulator and İTS seems to ve little pricy for begining, can i getaway without ir regulator back the gun. Can you help me with about this
Mr Brian . What colors , solid or metallic are best sprayed over “ black” DTM 2k Urethane primer ?
I thought you adjusted the regulator on the gun wide open and then adjusted actual air pressure from the wall mounted regulator? Preferably a diaphragm type. Otherwise you get increased airspeed at the nozzle causing a more dry spray pattern. I have to know what air pressure I spray at to match certain basecoats. Air pressure alone can drastically change base color.
Do you put the DV1 Clearcoat Gun in a pressurized paint gun cleaner? I have to wonder if the the gauge will get effected by acetone.
Does it matter that the fan is blowing on your canvas? Why’s it like when the wind is not blowing? Would I have to readjust?
Thanks for the abundance of information. One thing though as a diy we don't have different guns for the 3 applications. It would be great to use one gun and show us.
hi Brian, thanks for yours videos, i am new to painting what spray gun tip is better to use to paint car 1.2 -1.3 .thanks for your help
Got a video on the perfect consistency of the paint? I can’t figure out what’ll work !!!
You are the very best thanks for your knowledge that you are sharing with us
Mr Brian I love your videos you are a excellent instructor very very well put together thank you for your time and expense you take to help other people , God bless you my friend take care
You are vedio weri nisee Isar I larrnig oto penting
I know I'm one year late on this video, but can you recommend a air pressure gage at the gun that has a glass lense, not plastic. My efforts to clean the lenses of paint residue causes the plastic to smear and melt due to the chemical cleaners. I believe if I can purchase pressure gages with glass lenses my problem will be solved. Thank you.
Best tutorial ever !!! Thankyou so much for the detailed step by step especially for newbies like me . 👍
All good👍, could you pls help me to resolve the issue of regulater out put pressure getting fluctuates fallowing the compressor restarting.
Tks
i painted cars for 11 years i never went by the air gauge i did everything by ear and how the paint sprayed .. viscosity’s change a heavy pearl color will spray different from a solid transparent red color..
I should have watched this before I did a bunch of painting with the HF purple gun set to 80psi
I have one question. Is there something I can add into my enclosure to vent out the smell? Do they sell something to suck up the spray and filter it into something that’s not harmful? I can’t just vent it outside. It’s too difficult
Any tips on psi for an flg5 1.4 tip spraying 2k high gloss acrylic to avoid orange peel ?
When I set my pressure at the gun to let's say 30 psi. As soon as I fully pull the trigger the pressure drops from 30psi to around 20 psi. Is that normal?
You ever watch the under ground painting guy ,he has a small compressor check out he's work and tell us what you think he does it with a lvlp gun
Is there odourless car paint? Im.planning to re paint my car this summer im just using a tent in my back garden.
Your test wall shots there - you're clearly more than 6" away (or a "normal" distance). -> At least it looks like it!
Camera perception and wide angle setting. I’m 5 inches
I'm a novice. Do you use the same spray tip for base as you would for clear??
My co workers. Do not watch your video. I'm only. The one knowing your trick
HI BRIAN, I HAVE A PROBLEM WHEN I AM SPAYING ON STAINLESS STEEL SHEET WHICH IS SUPER MIRROR FINISH.WHENEVER I PAINT ON THIS SHEET I GET LOTS OF PIN HOLES ? I HAVE TRIED LOTS OF CLEANING METHODS BUT IT STILL COMES? WITH THE SAME SETTING WHENN I SPAY ON BRASS I GET A PERFECT FINISH. DO YOU HAVE ANY SOLUTION BRIAN? THANKS .
Excellent information on setting up your spray gun, especially for us diyers. Any chance you could show us how to set up a compressor in a diy format?
Gauges are a joke none read the same as another throw them in the trash spray by ear and sight. Most guns spray better than the box's read or people say anyways only real way to know is pick up the gun and use it.
How many PSI base coat and how many PSI clear coat exactly sir.
why am i getting condensation out of the gun while painting? i have been draining the tank each time after use of course this is a new compressor and have only used it twice
Very informative, thank you for taking the time to explain what the different textures mean and how to correct them.
Would someone be able to explain why there is a difference between the spray pass overlap on the clear coat vs the base coat?
Brian you are a great teacher. Another great video!
Thanks very much try it works perfectly
does it mean the spray gun with digital regulator is LVLP?
Hi Brain
I m a painter form india
What is perfect pressure for final coat
Please reply sir
Į buy LVMP GLOSS gun? Į lovit 16 pis 👍
Do you add an air dryer to the gun or compressor? I noticed all you have on the gun is an air gauge
Very nice
I used to own a small restoration shop in New Haven Ohio. Back when Sata jet was all the rage. I hated that gun! Watching you has taught me a lot. I wonder now if it was the gun or the operator. I put out some great paint work, but I seemed to fight it nonstop.. Thanks for your content !
I have regulator on air tank and gun is that ok? Dont have wall mounted ?
Can I wet sand an orange peel basecoat and repaint with base again? For my dash
Walker Frank Williams Jessica White Timothy
I have been learning custom paint for a long time, the amount of benefit I have found from this guy is huge and in a short time,❤❤❤
also what makes giving a perfect psi number more difficult is the condition of the paint in terms of whether it is too thin or clotted