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Pressure water gun (cleaning spot gun)
  
  Index -> Conserving, Preparing and Cleaning Minerals
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ACC79




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PostPosted: Sep 13, 2014 21:59    Post subject: Pressure water gun (cleaning spot gun)  

Hi, is anybody using this gun manufacture http(:)//online(.)jaygroups(.)com ?
We are looking to purchase several guns for our Russian forum members. Chinese manufacture is not the best quality and also spare parts is one more problem. Mentioned above is Indian manufacture, so if anybody using this guns please advise if they are good for cleaning or not.
thanx in advance.
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Joseph DOliveira




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PostPosted: Sep 13, 2014 23:42    Post subject: Re: Pressure water gun (cleaning spot gun)  

I currently use the pressure guns from India and as of now, have had no problems with them. I have literally cleaned 1000's of specimens over the years and worn out 2 guns in the process, as they will eventually wear out. The one key thing that must be remembered, is the guns are not for continuous spraying, as they heat up and will eventually stop working. Short periods of use as recommended in the instructions with ample rest in between, will keep them operating properly for a long time. I also use a little sewing machine oil in the two holes provided for lubrication on top.

Caution must be used with these guns as they can cut your skin if you contact the spray so I would certainly use of a good set of gloves. They can also blow specimens apart so caution when spraying is advisable, I usually start a distance away from the specimen and work my way in closer, if it doesn't do any damage.

These guns are great for cleaning minute crevices and can also be used for removing some coatings on mineral specimens. I consider them a "must have" if you want to properly clean and prepare minerals for your collection.

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ACC79




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PostPosted: Sep 14, 2014 23:15    Post subject: Re: Pressure water gun (cleaning spot gun)  

Thank you Joseph!
Is anybody else using this Indian company guns?
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Pierre Joubert




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PostPosted: Sep 15, 2014 04:53    Post subject: Re: Pressure water gun (cleaning spot gun)  

Joseph D'Oliveira wrote:
I currently use the pressure guns from India and as of now, have had no problems with them. I have literally cleaned 1000's of specimens over the years and worn out 2 guns in the process, as they will eventually wear out. The one key thing that must be remembered, is the guns are not for continuous spraying, as they heat up and will eventually stop working. Short periods of use as recommended in the instructions with ample rest in between, will keep them operating properly for a long time. I also use a little sewing machine oil in the two holes provided for lubrication on top.

Caution must be used with these guns as they can cut your skin if you contact the spray so I would certainly use of a good set of gloves. They can also blow specimens apart so caution when spraying is advisable, I usually start a distance away from the specimen and work my way in closer, if it doesn't do any damage.

These guns are great for cleaning minute crevices and can also be used for removing some coatings on mineral specimens. I consider them a "must have" if you want to properly clean and prepare minerals for your collection.


I hope this discussion allows for the proper use of the guns and not just the brands. I have used a variety of these guns for house maintenance purposes, so I am very familiar with them. However, I have never used them for cleaning specimens. I would appreciate a few tips on cleaning mineral specimens with them; what to avoid etc. Regards.

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Joseph DOliveira




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PostPosted: Sep 16, 2014 16:54    Post subject: Re: Pressure water gun (cleaning spot gun)  

Pierre Joubert wrote:
Joseph D'Oliveira wrote:
I currently use the pressure guns from India and as of now, have had no problems with them. I have literally cleaned 1000's of specimens over the years and worn out 2 guns in the process, as they will eventually wear out. The one key thing that must be remembered, is the guns are not for continuous spraying, as they heat up and will eventually stop working. Short periods of use as recommended in the instructions with ample rest in between, will keep them operating properly for a long time. I also use a little sewing machine oil in the two holes provided for lubrication on top.

Caution must be used with these guns as they can cut your skin if you contact the spray so I would certainly use of a good set of gloves. They can also blow specimens apart so caution when spraying is advisable, I usually start a distance away from the specimen and work my way in closer, if it doesn't do any damage.

These guns are great for cleaning minute crevices and can also be used for removing some coatings on mineral specimens. I consider them a "must have" if you want to properly clean and prepare minerals for your collection.


I hope this discussion allows for the proper use of the guns and not just the brands. I have used a variety of these guns for house maintenance purposes, so I am very familiar with them. However, I have never used them for cleaning specimens. I would appreciate a few tips on cleaning mineral specimens with them; what to avoid etc. Regards.


Hi Pierre,
The pressure spray guns regardless of manufacturer basically look the same and all operate in a very similar manner. I currently use the ones from India, as my mineral supplier is able to send them with my shipments and that makes them economical for me to purchase. Any brand could be used and would be effective.

The guns are small self contained units that put out between 2000-2400 psi in a fine jet of water. This is strong enough to lacerate your skin (speaking from experience) therefore a good set of heavy rubber gloves are a necessity. If you chose to go commando and not use gloves you will hurt your self at some point. It is also important that the water reservoir be kept above the intake hose in the container, as running the unit dry can damage the piston that sprays the water.

When cleaning a specimen I normally try to determine whether cleaning with water will damage it. Once you have ascertained that it is safe to wet the specimen, I usually start with a 1" soft bristle paint brush and a mixture of liquid dish detergent and water. This initial cleaning, will remove most of the loose dirt and any oils that the specimens might have been exposed to when it was collected.

Once the initial cleaning is completed, I use the spray gun to do the final cleaning. Because the jet of water is very powerful, I usually start on the back side holding the specimen approximately 2' away from the nozzle, I then slowly work the nozzle closer to the specimen if I determine that it won't be damaged. The fine water jet and power allows you to clean deep into tiny crevices and around crystals with enough power to eject the dirt. It can sometimes also be used to remove deleterious material attached to crystals such as druzy quartz coatings or soft minerals such as calcite.

For the most part, it's a trial and error approach but the results can be very impressive. I use a gun on all of my specimens and fortunately have only destroyed one or two in the process.

Hope this helps out.

Joe

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Martin Rich




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PostPosted: Sep 16, 2014 19:55    Post subject: Re: Pressure water gun (cleaning spot gun)  

Hello!

I use a pressure water gun from the Beco company (Italian product) with 180 bar (!) operating pressure. A lot of collectors are using a water gun from the Walter company (from Germany). The normal injectors for painting are not very effective. I have for my gun a special injector for cleaning and it works very well.

Martin

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PostPosted: Sep 18, 2014 07:11    Post subject: Re: Pressure water gun (cleaning spot gun)  

I think I have the wrong pressure gun in mind. I am talking about a high pressure washer used to remove old paint from buildings. People also use it to wash cars, but that is done setting the machine at lower pressures. I visited the above web-site to view the pressure guns, but all I can see is Textile cleaning spray guns!? Is that actually what we are talking about? Can someone post a picture of the item being discussed and perhaps another site or two where these can be purchased?
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GneissWare




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PostPosted: Sep 18, 2014 07:52    Post subject: Re: Pressure water gun (cleaning spot gun)  

You are exactly correct--textile cleaning gun.

Here is one source for the Chinese ones
www(.)lehighminerals(.)com/B%20MYSTIC%20CLEANING%20GUN%20water%20gun%20z(.)htm
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Pierre Joubert




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PostPosted: Sep 18, 2014 09:10    Post subject: Re: Pressure water gun (cleaning spot gun)  

GneissWare wrote:
You are exactly correct--textile cleaning gun.

Here is one source for the Chinese ones
www(.)lehighminerals(.)com/B%20MYSTIC%20CLEANING%20GUN%20water%20gun%20z(.)htm


Thanks for clearing that Bob.

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Mike Wood




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PostPosted: Sep 20, 2014 11:45    Post subject: Re: Pressure water gun (cleaning spot gun)  

Yep, textile cleaning gun from China. I've got one of those recently (two years ago). Much cheaper and likely not as long-lasting as the original 'Krebs' (Swiss) cleaning guns; but no problems so far.
Mike

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colin robinson




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PostPosted: Sep 20, 2014 16:12    Post subject: Re: Pressure water gun (cleaning spot gun)  

I've had one of the Chinese guns for about 10 years now with no problems. I certainly wouldn't use it on anything delicate but it's great for cleaning tough stuff like quartz.
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ACC79




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PostPosted: Sep 20, 2014 22:48    Post subject: Re: Pressure water gun (cleaning spot gun)  

Yes, the discussion about Textile cleaning spray guns or another name Spot cleaning guns.
As also car washing machines (Karcher for example) is also possible to use for minerals cleaning which are quite strong, for example to remove the clay from quartz. I even used ones to remove mica from beryl.
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ACC79




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PostPosted: Sep 20, 2014 22:53    Post subject: Re: Pressure water gun (cleaning spot gun)  

Krebs is very expensive! Thanx for Italian and German manufacture information, never heard.
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ACC79




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PostPosted: Sep 20, 2014 23:13    Post subject: Re: Pressure water gun (cleaning spot gun)  

Martin Rich wrote:
Hello!

I Beco company (Italian product) with 180 bar (!) water gun from the Walter company (from Germany). .

Martin


Hi Martin, please can you give the links of this manufactures? While searching I can not find Beco Co, as also google giving me real Walter guns instead of textile))
regards, ACC.
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Martin Rich




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PostPosted: Sep 21, 2014 21:06    Post subject: Re: Pressure water gun (cleaning spot gun)  

Hello ACC79!

I mixed up some things, so I have to clarify my last post:
"Walter" is a tool company in Germany and "Beco" is another in Italy. OK, now the right ones. The Italian product I use is from the "Deca s.p.a." company https://www.decaweld.com and the German product is from "Wagner" company https://www.wagner-group.com/en/
(links normalized by FMF)

I hope this helps.
Martin.

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Pierre Joubert




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PostPosted: Sep 22, 2014 03:13    Post subject: Re: Pressure water gun (cleaning spot gun)  

How about someone (like Joe) place a short video on Utube of a PWG in action, cleaning a specimen and then placing the link here. Perhaps there is already something on Utube.
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ACC79




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PostPosted: Oct 05, 2014 18:26    Post subject: Re: Pressure water gun (cleaning spot gun)  

Thanx Martin, now it's more clear.
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