XmadXscientist
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Looks like mine
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Looks like mine
Ok don’t be dicks but I have a question and I’m looking to be spoon fed. I want to get a vacuum pump to brew the rest of my raws. I don’t feel like hand pumping anymore. Anyone have a link to a full set up or list. I pretty much know what I need. Just looking for a setup that you guys have been using and like.
You got a harbor freight near you?
Yeah I know the pump I should get but I guess my real question is the setup. From the inlet port I’d have a hose going to a tee with a gauge on top right. Then from the other side of the tee would go to the filter right. What if I create to much vacuum. Can I install a valve to release some vacuum. Where in the line would that go.
@superbane can you check out my posts. I remember you having an issue with your pump. Does what I wrote make sense. Look a few posts up.
superbane
Well-known Member
I would do it like this:
Make sure you get a gauge where the needle moves from right to left those are the ones for vacuum. I got an oil filled one.
You can put a hand valve right on the vacuum pump then the gauge inline after that from there I would put a tee. Then a bleeder (flow control) on one port and then run the other port on the tee to the flask.
I hope this makes sense. The bleeder would be to help dial in exact psi and also to bleed off Incase pressure goes up to high without breaking the connection from flask to pump. Also some pumps don’t run well on very very low psi. Just my thoughts. @Thegreek
Make sure you get a gauge where the needle moves from right to left those are the ones for vacuum. I got an oil filled one.
You can put a hand valve right on the vacuum pump then the gauge inline after that from there I would put a tee. Then a bleeder (flow control) on one port and then run the other port on the tee to the flask.
I hope this makes sense. The bleeder would be to help dial in exact psi and also to bleed off Incase pressure goes up to high without breaking the connection from flask to pump. Also some pumps don’t run well on very very low psi. Just my thoughts. @Thegreek
superbane
Well-known Member
Also @Thegreek a
Advantec MFS 43301030 with a glass filter flask
Is unbeatable in cost savings.
My filters cost me about a buck a piece. I can filter super solvents and all.
No chance of leaking it’s twist locked sealed with an o.ring (just saying so before master.on shows up and starts talking his b.s)
Advantec MFS 43301030 with a glass filter flask
Is unbeatable in cost savings.
My filters cost me about a buck a piece. I can filter super solvents and all.
No chance of leaking it’s twist locked sealed with an o.ring (just saying so before master.on shows up and starts talking his b.s)
I understand what you’re saying. My concern was getting a false reading on the gauge if I have to bleed it. The pump I’m getting has one port on it. If I do what you’re saying that means a tee at the port. One long side of the tee will be in the port of the pump. The other Long side of the tee would have the gauge. The short side will have the hose leading to the long side of a tee. The short side should have whatever I use to bleed the vacuum. The other long side goes to the filter. That sound about right.
superbane
Well-known Member
Yes that sounds as if it would work. I had hooked mine up so many different ways trying to figure out which way would work the best.
Well I put the gauge after the valve.
I had the valve directly on the pump.
My thought was I’m trying to control how much vacuum is being pulled and need to read it before the control.
So now thinking about what you said,
I would go main valve then a tee (from the main valve to the gauge then to the flask) on one port of the tee.
On the third port of the tee I would do the bleeder or flow control.
(I will move them around the next time I filter myself.)
Without the bleeder it is a real pain to get the psi exact exact to whatever your filter can take as far as pressure.
If you go too high you have to disconnect part of the closed system. With the bleeder valve you could just open it up just a bit.
Mind you I plumbed with piping it wasn’t all air hose and the hand ball valves aren’t very precise that’s where I got the idea for the smaller bleeder.
I hope this at least give you a few ideas to play around with.
Even when psi goes above spec I haven’t had a real problem but I do not use bottletop filters either.
We are probably way overthinking this but to keep it simple I’m thinking this. Pump Bleeder Gauge. All in line from the pump. No valve at the pump. Let the pump pull with no restrictions. Bleeder releases vacuum. Gauge closest to filter for the most accurate reading.
superbane
Well-known Member
@Thegreek i like it but you still are missing something to dump excess vacuum from the system.
Let’s say you are at 15psi but need to be at 10psi
Shutting the pump off doesn’t drop vacuum right away, of course the vacuum pressure will decline over time but we do not know how long that will take.
In instances such as that it hasn’t been a problem for me but I’m not using bottle top filters too much pressure will crack the BTF correct?
The only way I was able to dump air prior to a second valve was to pull the line from the filter flask. Annoying.
Any ways hence I added in another valve to dump off excess pressure immediately.
I use a smaller valve (bleeder) here in this location for precision.
Going over something a thousand times isn’t so much as overthinking it but rather the execution will more likely end up flawless without hiccups.
Let’s say you are at 15psi but need to be at 10psi
Shutting the pump off doesn’t drop vacuum right away, of course the vacuum pressure will decline over time but we do not know how long that will take.
In instances such as that it hasn’t been a problem for me but I’m not using bottle top filters too much pressure will crack the BTF correct?
The only way I was able to dump air prior to a second valve was to pull the line from the filter flask. Annoying.
Any ways hence I added in another valve to dump off excess pressure immediately.
I use a smaller valve (bleeder) here in this location for precision.
Going over something a thousand times isn’t so much as overthinking it but rather the execution will more likely end up flawless without hiccups.
The bleeder is what I will use to dump the vacuum. And to control flow.
superbane
Well-known Member
I guess I’m just not understanding how you will dump pressure from a closed system.
I’d have to see the valve or the setup I guess lol but let me know how it works out bro.
Not sure why more guys don’t just grab a vacuum pump and give it a go! They aren’t super expensive or anything.
How about this. When I say bleeder I mean a device to release pressure from the system. Pump turns on. Passes through hose and tees into bleeder or ball valve continues on to another tee. That tee has the gauge. Continues on to filter. Turn pump on and create suction. As vacuum increases on gauge slowly open bleeder/ball valve. Vacuum drops. Find the sweet spot.
Is the hose going to the filter. If so that’s pretty much what I’m thinking except all my components will be in line.
Yes the hose goes straight to the filter. I arranged my manifold like this so that it will still fit in the box it came in for storage
Gotcha. My only reason for it all in line was I figured the closer I got the gauge to the filter the more accurate it would be.
Honestly, you’re working with a gas here at a low velocity. There won’t be enough friction to cause the vacuum levels to be different in any part of the setup.
superbane
Well-known Member
I like @Iron Vett setup @Thegreek it serves both purposes that I was speaking of. The way he has it plumbed. I just couldn’t visually see it in my head, but I’m going to replumb mine like that now lol
