[Alt-photo] Fwd: vacuum pump

johnbrewerphotography at gmail.com johnbrewerphotography at gmail.com
Mon Jun 19 09:33:44 UTC 2017


Yes (we do) - an inline water trap - but it's designed for water rather than oil. I'm not sure if it will work or how long it's lifetime would be if used for this. 

Can't you use some ducting somehow perhaps through a small window?

J

Sent from my iPhone

> On 18 Jun 2017, at 4:10 pm, pkn--- via Alt-photo-process-list <alt-photo-process-list at lists.altphotolist.org> wrote:
> 
> Check what is used on air compressors for spray painting. If I remember correctly they use various devices to clean the ait of moisture before feeding it to the spraygun.
> Patrick 
> 
> ----- Original Message -----
> From: "rowan Bloemhof via Alt-photo-process-list" <alt-photo-process-list at lists.altphotolist.org>
> To: alt-photo-process-list at lists.altphotolist.org, "Matti Koskinen" <mjkoskin at gmail.com>
> Sent: Sunday, June 18, 2017 11:26:37 AM
> Subject: [Alt-photo] Fwd:  vacuum pump
> 
> I did a little further research yesterday, finding the issue interesting.
> And I came across a solution on the science madness forum(sorry lost the
> link). They suggested sticking the outlet tube into a container filled with
> sand, this seemed to absorb any oil mists while passing trough the air
> without creating considerable resistance to the air flow. This has the big
> benefit of sand being a cheap to replace material. In this case it is very
> important though to make sure you use some sort of thin filter(coffee
> filter perhaps?) around the hose to prevent any possible blowback sucking
> sand into your vacuum pump.
> 
> Well so far my two cents, good luck!
> 
> Met vriendelijke groet,
> Rowan Bloemhof
> 06-37328792 <06%2037328792>
> www.rowanbloemhof.com
> 
>> On 18 June 2017 at 02:54, Matti Koskinen <mjkoskin at gmail.com> wrote:
>> 
>> Thanks Rowan,
>> 
>> I've looked on Ebay, Edwards filters are many times more expensive than my
>> pump. On Aliexpress there are only a couple of filter models available.
>> 3M-masks I have, may have quite dense enough paper for one's own filter
>> hacks. Biggest problem is, that I have not found a suitable threaded
>> adapter, that would fit the exhaust hole, I've 3D-printed many, but none of
>> them fit well.
>> 
>> thanks
>> 
>> -m
>> 
>> On 17.06.2017 14:04, rowan Bloemhof wrote:
>> 
>> Matti, I am pretty sure you can buy dedicated filters to remedy this
>> problem. Have a look on eBay searching for "oil mist filter" or "oil mist
>> eliminator". They can come at a pretty steep price though, so it might be
>> worth considering to build a filter of sorts yourself.
>> 
>> Met vriendelijke groet,
>> Rowan Bloemhof
>> 06-37328792 <06%2037328792>
>> www.rowanbloemhof.com
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