who actually malkes the "chinese compressors"?

Forums Air Tanks, Pumps, Compressors, & Filters who actually malkes the "chinese compressors"?

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    spysir
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    Are 95% made here:

    http://zypcppump.com/product-category/pcp-compressor/ 

     ?

     In which case parts might be available if one could communicate well perhaps?

    Or this company is just pulling my leg?

     They show stock photo's of just about every model chinese compressor we see on the market.

     

     

    John

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    Tweeter
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    I'm not sure anyone really knows to be honest with the language barrier.

    I have one that is branded "Vevor" and we (me and other Vevor owners) have had one hell of a time trying to find second stage piston seals.  After months of searching a member from another forum found some and offered a group buy yesterday.  Finally!

    My point is, buy a "real" Yong Heng or Tuxing if you're going to buy a Chinese compressor.  At least you will be able to get parts and rebuild kits easily for it (though they will most likely have to ship from China).

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    likkitysplyt
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    It's really a kind of "mom and pop" shop headed up by King Rootin' Tootin" and Queen Hotsie Totsie.

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    Stefanjan
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    All I know is mine (Davv made by Davey Manufacturing) shipped from Shanghai china.  Box and all related material all say Shanghai.  Probably one or 2 different manufacturing plants that just brand out the different versions and colors.  While researching mine I did find that alot of the commpressors are using the same electric motor, most of the variations come in the form of the second stage head

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    tunaboat
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    Here is the website that came with my Yong Heng compressor.   http://yongyiheng.com   And here is their email   [email protected]    The link doesn't appear to work from here.  When I type it in manually it gets me to their website.

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    airgunfans
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    I brought my Yong Heng directly from China on Taobao which is essentially Ebay in China.  The name of the company is Yong Yi Heng Pneumatic Co., Ltd. as indicated in the link given by tunaboat above. There are quite many other suppliers of compressors of this kind in China, some of them are just traders and some are manufacturers. I believe Yong Yi Heng is a manufacturer as they can answer all my technical questions very well.

    Just like the majority of sellers on Taobao, they have people standing by at all time to answer customers' questions via a Whatsapp-like instant messaging application. That's why people in China rarely complain about the lack of documentation. If they have any questions, just chat with the seller on line, the reply is usually instant .  My experience of shopping on Taobao is far better than Ebay and Amazon.

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    msurf
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    I have been trying to find the manufacturer of the compressor I bought on Amazon.  It looked similar to the Yong Hengs in the advertisement, but when it arrived, it was one I had never seen.  The head looks similar to a Tuxing, but it is not a Tuxing.  My shipping information only turned up essentially re-sellers.  At a loss for the manufacturer of the unit.

    It runs great thus far…here is a video of it in action:

     

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    Eaglebeak
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    msurf

    I have been trying to find the manufacturer of the compressor I bought on Amazon.  It looked similar to the Yong Hengs in the advertisement, but when it arrived, it was one I had never seen.  The head looks similar to a Tuxing, but it is not a Tuxing.  My shipping information only turned up essentially re-sellers.  At a loss for the manufacturer of the unit.

    It runs great thus far…here is a video of it in action:

     

    If you have a look on the website from spysir's link, there is a model that looks exactly the same as yours. It has an orange housing but the plumbing is the same. The specs on it's page say that is only rated for 3000 PSI. Yours may have a higher output rating. Quite a few companies claim to manufacture these things but are more likely just trading companies. A few tips that may or may not help your unit run a bit cooler. The inlet hose goes on the bottom fitting and if you lift the water bucket up level with the compressor, the submersible pump will be a lot more efficient. They are only a cheap aquarium unit with a maximum head of about one metre. There is also a choke on the water pump that should be wide open. 

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    airgunfans
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    msurf

    I have been trying to find the manufacturer of the compressor I bought on Amazon.  It looked similar to the Yong Hengs in the advertisement, but when it arrived, it was one I had never seen.  The head looks similar to a Tuxing, but it is not a Tuxing.  My shipping information only turned up essentially re-sellers.  At a loss for the manufacturer of the unit.

    It runs great thus far…here is a video of it in action:

     

    You have mentioned in the video that hydraulic oil should not be used.  Can you share your experience with this kind of oil when used in the compressor ?

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    msurf
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    Eaglebeak

    If you have a look on the website from spysir's link, there is a model that looks exactly the same as yours. It has an orange housing but the plumbing is the same. The specs on it's page say that is only rated for 3000 PSI. Yours may have a higher output rating. Quite a few companies claim to manufacture these things but are more likely just trading companies. A few tips that may or may not help your unit run a bit cooler. The inlet hose goes on the bottom fitting and if you lift the water bucket up level with the compressor, the submersible pump will be a lot more efficient. They are only a cheap aquarium unit with a maximum head of about one metre. There is also a choke on the water pump that should be wide open. 

    Thanks you for the information.  Yes, I found the compressor spysir mentioned on alibaba, seems it is a trading company.  That is the only thing I have found regarding this compressor.

     

    I was wondering about the water hook up…either top or bottom.    The little door was wide open, and I will relocate the bucket next time.  Thanks!

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    msurf
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    Eaglebeak

    If you have a look on the website from spysir's link, there is a model that looks exactly the same as yours. It has an orange housing but the plumbing is the same. The specs on it's page say that is only rated for 3000 PSI. Yours may have a higher output rating. Quite a few companies claim to manufacture these things but are more likely just trading companies. A few tips that may or may not help your unit run a bit cooler. The inlet hose goes on the bottom fitting and if you lift the water bucket up level with the compressor, the submersible pump will be a lot more efficient. They are only a cheap aquarium unit with a maximum head of about one metre. There is also a choke on the water pump that should be wide open. 

    Thanks you for the information.  Yes, I found the compressor spysir mentioned on alibaba, seems it is a trading company.  That is the only thing I have found regarding this compressor.

     

    I was wondering about the water hook up…either top or bottom.    The little door was wide open, and I will relocate the bucket next time.  Thanks!

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    Centercut
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    @msurf, yes, definitely water inlet on bottom and outlet on top. This keeps the void full of water no matter how fast the pump is operating. Also, make sure that the compressor oil is 100% synthetic, some of the Lowe’s Kobalt compressor oil is a synthetic blend. Thanks for the video! Which model Coltri compressor do you have?

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    msurf
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    airgunfans

    You have mentioned in the video that hydraulic oil should not be used.  Can you share your experience with this kind of oil when used in the compressor ?

     

    I am sure this is a can of worms…oil discussions always are.  My reasoning is simply the compressor oils are specifically designed to mitigate carbon buildup and dissipate heat  and maintain lubricity without breaking down.  I believe some hydraulic oils are mineral oil and water based as well.  There is probably enough science/engineering out there to explain the intricacies as I am certainly not an expert.  I personally would not want to run the wrong oil in my machinery…say mineral oil in my ATV.  

    Additionally,  I am rebuilding a Coltri scuba compressor, and they have very specific recommendations on oil, and not their own brand..some of this may be due to "breathability" , but the literature does mention the specific temp and lubrication proprieties ans well. 

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    msurf
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    Centercut

    @msurf, yes, definitely water inlet on bottom and outlet on top. This keeps the void full of water no matter how fast the pump is operating. Also, make sure that the compressor oil is 100% synthetic, some of the Lowe's Kobalt compressor oil is a synthetic blend. Thanks for the video! Which model Coltri compressor do you have?

    Thanks Centercut!  As stated in my last reply I am certainly not an expert.  I just looked and you are correct, it is ISO 100 synthetic BLEND.  Well, I guess Ill have to use the Chemlube 751 I have sitting in the shop next round.

    I have a MHC6 that completely locked up…bought it for $80 on Craigslist. It was super crusty!  Trying to avoid having to buy a new case, as a cylinder stud broke and the extraction process is at a halt to avoid further frustration. 

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    Centercut
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    @msurf, yeah, you are 100% correct not to use hydraulic fluid in the compressor. It is for hydraulic systems – think brake fluid. I made that mistake a couple years ago with a Yong Heng clone and it ate itself in an hour run time. And the hydraulic fluid turned black and gummy in no time. I normally use the Royal Purple Synfilm air compressor oil, but any 100% synthetic should be just fine. Good luck on the Coltri, great little compressors, very simple and should be a successful rebuild. You’ll probably never use the Chinese compressor one you get the Coltri working…

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    msurf
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    Thanks Centercut…I was saving the 751 for the Coltri…that stuff is EXPENSIVE!

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