Gx filter is here

[BSJ]

it looks like those are molecular sieve beads and are in direct contact with metal, if so that is a huge fail, in short order corrosion will be seen on the metal in contact. Piss poor design, and won't last.

You are wrong. Don't just repeat stuff you read/see on the web.

Three years of use and not a speck of corrosion.

 

[cosmic]

If that worried about corrosion just use a clear report cover and make a tube to slide in..

 

[Bramezy]

You are wrong. Don't just repeat stuff you read/see on the web.

Three years of use and not a speck of corrosion.

Lots to read, many discussions to be found, here is one https://airgunforums.co.uk/threads/molecular-sieve-and-aluminium-containers.37533/
I too had read that it needs a barrier, without me doing my own detailed research I have no opinion yet, but you may be right!

 

[BSJ]

I suppose the PMV will help dry the tiny volume of air in the whip from the filter to the gun a bit more. Those things are expensive and a bit over rated in my opinion at least for my application. When I fill a gun it always has over 2k in it and won’t open and start filling until 150 bar anyway.

Pressurizing the sieve is what makes it absorb water vapor effectively.

The cheap Tuxing type without a PMV are ineffective until the tube reaches a high pressure. The lower pressure air flowing into the gun is not dry.

Lots to read, many discussions to be found, here is one https://airgunforums.co.uk/threads/molecular-sieve-and-aluminium-containers.37533/
I too had read that it needs a barrier, without me doing my own detailed research I have no opinion yet, but you may be right!

Yes, I seen years of verbiage on the topic. Lots saying it will happen. None that I recall actually showing damage.

 

[Trucker3573]

Pressurizing the sieve is what makes it absorb water vapor effectively.

The cheap Tuxing type without a PMV are ineffective until the tube reaches a high pressure. The lower pressure air flowing into the gun is not dry.

Yes, I seen years of verbiage on the topic. Lots saying it will happen. None that I recall actually showing damage.

I guess that is what I mean. The air doesn’t start flowing into my gun until everything is around 2200 psi anyway. However, yes there is a volume of air that gets past the sieve for sure. Just seems a small amount but I guess over time probably ads up.

I have the gx filter coming. I plan to run it on my cs2 for direct gun fills. I will use the larger filter on the cs4 for topping off 6.8 L bottles. For that filter I bought a one way foster valve , like you find on a lot of guns. To that I screwed on a bsp foster adapter like you have to buy for many fill probes. With that on the output side of the filter I can just open my tank valve and the compressor won’t start filling until the filter pressure equalizes the tank pressure.

 

[duchunter007]

Got my new GX filter today and it looks really nice, I will unbox more this evening.