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Subject: Re: conversion spray guns

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Message Thread:

conversion spray guns

5/12/18       
Joe Member

hi all

I am a small one man shop and am in the market for a quality conversion gun to run of off my compressor which is 5 hp 25 gallon. The work in mostly paint grade but need the flexibility for lacquer. Right now I am not looking to invest in an air assist system or a pot any suggestions will be appreciated.

5/12/18       #2: conversion spray guns ...
John Member

Small shop here, too. I've been using a Qualspray AM-6008 SmartPak gun with 3M PPS H/O cup for about 3 years now. I spray everything from waterbased dyes to lots of WB clear coats and pigmented lacquers to WB paints like SW's ProClassic with it. There are pressure pot options, too.

There's a link below to Homestead Finishing who sells Qualspray, Accuspray, CAT, etc. equipment.

Homestead Finishing Products

5/13/18       #3: conversion spray guns ...
mastercabman Member

I like CA technology
I have the jaguar 100 with PPS cup
I also have a pressure feed with pressure pot
I get fantastic results

5/13/18       #4: conversion spray guns ...
nick

Like the other posters have noted, you can't beat the simplicity of a gravity gun with a disposable cup liner system (3M pps). Both the guns mentioned are available in packages that have multiple needle and nozzle set-ups so you can more easily spray a range of different materials from dyes/stains to clears to pigmented finishes and if you get a 2.0 needle/nozzle set-up, even acrylic latex paint.
Of the 2 spray guns mentioned I think the Cat is the more durable set-up. You might also look at Devilbiss Compact, Binks Trophy.

5/13/18       #5: conversion spray guns ...
nick

PS; clean, dry air is a must for spraying so if you don't already have them you'll need to get oil & water filters too.

5/13/18       #6: conversion spray guns ...
John Member

The Qualspray gun I referenced is actually a bottom cup gun, so it can run both the 3M H/O PPS cup or be fed from a pressure pot. In both cases the pressure feed gives the gun a wide range of viscosities that can be sprayed with only a few N/N sizes.

The CA Tech. guns are definitely higher quality. I had to pass on the Jaguar line of guns because I my compressor doesn't make 13 cfm. That said, I've been very satisifed with the Qualspray gun but I spray less than 5 gals a month.

John

5/13/18       #7: conversion spray guns ...
mastercabman Member

@john
The J100 jaguar is a low CFM spray gun
4-6 CFM
I have a rolair vt25 and I can spray all day long !

5/13/18       #8: conversion spray guns ...
John Member

Thanks for that follow-up, MC. Looking more closely, I see that the 13 cfm is at 29 psi, not 40 psi like I thought. That puts my compressor in play for even their large guns. So there are several CA Tech guns I could consider.

John

5/13/18       #9: conversion spray guns ...
rich c.

Your compressor may meet the air flow spec given from the manufacturers, but does it meet duty rating? Get a little compressor running too long and you'll get hot air full of moisture at the gun. Plus you get short compressor life. If you have similar summers as I do, you'll be asking about air coolers or best quality water filtration soon. That is an incredibly small unit for a commercial shop!

5/13/18       #10: conversion spray guns ...
Joe Member

thanks for all the input. the jaguar has a real good reputation among us woodworker but I just cant use it my compressor is only 8.1 cfm. I'm leaning towards the AM-2012 from qualspray does anyone have any experience with this gun.

5/14/18       #11: conversion spray guns ...
mastercabman Member

@Joe
FYI the CAT jaguar j100 comes with a low CFM air cap
Only require 6 CFM
I think the qualspray gun you mentioned is also 6 CFM
You can also get the 3M PPS kit with the jaguar and it comes with several size nozzle/needle
The FE LCFM line is the pressure feed version of the jaguar

5/15/18       #12: conversion spray guns ...
Joe Member

yes I know jaguar put out a gun for 8.0 cfm but the tip only goes up to 1.7 if you usr a tip say 2.0 you need more cfm I'm looking to spray paint grade. does anyone have the jaguar 100h if so how does it fair on with thicker products.

5/15/18       #13: conversion spray guns ...
John Member

A gravity feed gun like the J100H is not going to spray thick paints very well w/o substantial thinning unless you put a pressurized cup on it. If your need is primarily to spray paint you would be better off with the FE low cfm bottom feed, pressurized cup gun. It will take a larger cup better than the J100H and give you more balanced handling. And if your volumes are higher you can run a pressure pot to it.

John

5/15/18       #14: conversion spray guns ...
nick

I have to disagree with John, I often spray your basic house trim paint out a gravity gun with minimal thinning (with-in recommended spec) and get very good results using a Sata 1000b with a 2.0...fantastic spray gun btw.

5/15/18       #15: conversion spray guns ...
John Member

I was referring to products like SW's ProClassic WB Acrylic, which has a calculated viscosity of around 500 sec. through a #4 Ford cup. The only way I could spray that with a 1.8 mm N/N set (the largest I had) in my gravity feed gun was by thinning it 18%. A 2.0 mm N/N would have been incrementally better, but would have still required thinning. With my pressure fed Qualspray gun I can spray it with a 1.5 N/N without thinning using about 6 psi on the PPS cup.

John

 

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