Compressor drain

[Bellaireroad]

Who makes a good drain that works off the check valve , so that the tank drains when the compressor cycles? I'm not interested in the electric timer type of drain ... thanks


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[rice rocket]

Use some brainpower and convert the timer circuit into a delay circuit.

 

[The Cobbler]

these get favourable reviews https://rite-products.com/moisture-...-valve-pn-152-0000-300-psi-1-4-npt-ports.html

 

[earthmover1980]

What we did with our air compressor is install a semi truck air tank drain valve, with the spring detent, and the pull cable. Done. At the end of the day, shut off the compressor, and pull the cable to drain it. Simple as that!

 

[Bellaireroad]

these get favourable reviews https://rite-products.com/moisture-...-valve-pn-152-0000-300-psi-1-4-npt-ports.html

Thanks, that's what I was looking for


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[Jazz1]

these get favourable reviews https://rite-products.com/moisture-...-valve-pn-152-0000-300-psi-1-4-npt-ports.html

I like that. I currently have a line exiting through wall from my compressor drain. Manually drain daily

 

[2oolhound]

I'm using a Norgren self dumping valve. They are quite pricey.

http://store.norgren.com/us/en/search.aspx?q=mainline


If you mount it up high like you see in the video you should run a line from the output to a drain if possible because they emit a lot of sludge over time.

 

[Bellaireroad]

I'm using a Norgren self dumping valve. They are quite pricey.

http://store.norgren.com/us/en/deta...e-5-um-filter-with-manual-drain-3_4-ptf-ports

If you mount it up high like you see in the video you should run a line from the output to a drain if possible because they emit a lot of sludge over time.

Link is down

 

[2oolhound]

It won't let me link to the actual one I have. I fixed the link to go to the model. Mine is auto and it was about $100. Either they've gone way up in price or you just have to shop around. It's been very reliable for quite a few years.

 

[Schurkey]

What we did with our air compressor is install a semi truck air tank drain valve, with the spring detent, and the pull cable. Done. At the end of the day, shut off the compressor, and pull the cable to drain it. Simple as that!

^^^ What he said. About nine dollars.

https://www.napaonline.com/napa/en/p/TWR401070/TWR401070

https://www.napaonline.com/napa/en/p/TWEVEL032135/TWEVEL032135

https://www.napaonline.com/napa/en/p/TWRVEL032160/TWRVEL032160

 

[srr]

^^^ What he said. About nine dollars.

https://www.napaonline.com/napa/en/p/TWR401070/TWR401070

https://www.napaonline.com/napa/en/p/TWEVEL032135/TWEVEL032135

https://www.napaonline.com/napa/en/p/TWRVEL032160/TWRVEL032160

Says it's rated for 120 psi. FWIW.

 

[Richard Cranium]

That is what I was thinking about.

 

[Schurkey]

Says it's rated for 120 psi. FWIW.

****. I never noticed that.

I have it installed on a two-stage compressor tank (175 psi) and it's been there a year.

I will have to research that and see what my options are.

 

[srr]

these get favourable reviews https://rite-products.com/moisture-...-valve-pn-152-0000-300-psi-1-4-npt-ports.html

I ordered one, looks to be awesome.

 

[svtride]

these get favourable reviews https://rite-products.com/moisture-...-valve-pn-152-0000-300-psi-1-4-npt-ports.html

Thanks for tip. I justed ordered one also

 

[The Cobbler]

oops. edit needed LOL
duplicate post

 

[The Cobbler]

Thanks, that's what I was looking for


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I like that. I currently have a line exiting through wall from my compressor drain. Manually drain daily

I ordered one, looks to be awesome.

Thanks for tip. I justed ordered one also

I have yet to order one of these but I will soon.
we should try to do a group GJ buy, any one interested?

 

[CJM8515]

I thought about buying such an item for my compressor, but the cost is crazy imho. I find it easier to just get some small fittings, a ball valve and flip the valve when done.

 

[The Cobbler]

I agree the cost is high,which is why I haven't purchased yet, but,,, when you consider how much we spend on tools , compressors, etc, this is like cheaping out on tires on your cars IMO.

 

[reader2580]

Says it's rated for 120 psi. FWIW.

That is because they are designed for truck with air brakes. Those systems top out at 120 PSI.

 

[srr]

I thought about buying such an item for my compressor, but the cost is crazy imho. I find it easier to just get some small fittings, a ball valve and flip the valve when done.

I thought so too until I read it was made mostly of SS and was rated for 300 PSI. Plus at my age crawling on the ground to get to my compressor drain PLUS remembering to do it once in a while.

 

[lakeroadster]

I'm a member of the DIY street elbow, pipe ******, and ball valve crowd.

Less is more... reach down, open the valve... when the water stops coming out close the valve.

I built a puke tank for mine using a Folgers can and some kitty litter to capture the rusty water.....

A flap cut in the lid, and a shop rag between the lid and can, allows the pressure to escape / vent.

easy peazy.

Curious... what's the big deal with bending over?

 

[srr]

****. I never noticed that.

I have it installed on a two-stage compressor tank (175 psi) and it's been there a year.

I will have to research that and see what my options are.

Sounds like it's working OK to me, As long as your breaker is off when your not around the worst that could happen is it would lift and reseat at 120 PSI? Or drain the tank?

 

[srr]

I'm a member of the DIY street elbow, pipe ******, and ball valve crowd.

Less is more... reach down, open the valve... when the water stops coming out close the valve.

I built a puke tank for mine using a Folgers can and some kitty litter to capture the rusty water.....

A flap cut in the lid, and a shop rag between the lid and can, allows the pressure to escape / vent.

easy peazy.



Curious... what's the big deal with bending over?

My current set-up (1977 CH 80 Gal 2-stage) is a short ****** with one of those butterfly valves that are really hard to turn and it is actually under the tank, a real pain to deal with. I'm on high BP meds and they make me nauseous if I spend to much time horizontal.

 

[CJM8515]

I thought so too until I read it was made mostly of SS and was rated for 300 PSI. Plus at my age crawling on the ground to get to my compressor drain PLUS remembering to do it once in a while.

That I can understand. Im a young guy and dont mind bending down lol.

 

[04chase]

this is what i have on mine for now

https://www.grainger.com/product/CONRADER-1-1-4-x-1-1-4-x-2-68-Brass-12U302?s_pp=false&picUrl=//static.grainger.com/rp/s/is/image/Grainger/12U302_AS01?$smthumb$&breadcrumbCatId=2235

 

[Schurkey]

Sounds like it's working OK to me, As long as your breaker is off when your not around the worst that could happen is it would lift and reseat at 120 PSI? Or drain the tank?

It doesn't lift at 175; it doesn't leak at 175.

I now have some concern that it might BLOW UP at 175...but it's been there long enough that I don't know how realistic that concern is.

There's also the idea that I can't find a max working pressure for the part number I actually have. The 120 psi max is for different NAPA part numbers, potentially a different manufacturer.

Yes, the compressor is generally turned off when I'm not there...although I did have a constant-run problem when an O-ring blew out on my filter/moisture trap. The compressor ran continuously for most of a day because I wasn't in the garage at the time.

 

[srr]

Thanks, that's what I was looking for


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Mine came today. One thing they didn't mention was, it HAS a screen on the tank side to keep **** out of the valve. Did you ever get yours? Anybody else?

 

[srr]

Got it installed, works great. Hardest part was waiting for an 80 gallon tank to drain to "0". I bought the over priced installation kit as I couldn't find the filter/valve by itself. I made a video of it working but there is no sound but you can see the moisture appear in the hose around the 40 sec mark.

 

[Bellaireroad]

Mine came today. One thing they didn't mention was, it HAS a screen on the tank side to keep **** out of the valve. Did you ever get yours? Anybody else?

I haven't .... it's on the "to do" list... thanks for posting the video, looks like it works good

 

[srr]

Update: Still works flawless. Money well spent.

 

[smalltown]

I thought so too until I read it was made mostly of SS and was rated for 300 PSI. Plus at my age crawling on the ground to get to my compressor drain PLUS remembering to do it once in a while.

I'll bet it's not the bending over it's the getting back up

 

[Schurkey]

Update: Still works flawless. Money well spent.

As is my ~$9 cheapie.

I managed to shorten-up the cable a little, now I don't have to pull as far to open the valve.

I couldn't be happier with the thing.

 

[MacMcMacmac]

I drained about 40 gallons of water out of the instrument air compressor at work which had one of these pneumatic auto drains on it. I don't trust them to keep ahead of the condensate production.

I installed a timed auto drain kit and the tank is completely empty of water whenever I test it. In 25 years of working with air systems, I have seen maybe 2 that have failed.

 

[Schurkey]

There was a time I worked for a company that used an industrial scroll-type compressor, and a H-U-G-E air tank. I have an 80-gallon tank, I bet I could fit five of them inside this monster with room around each one.

The "parts guy" was responsible for draining the condensation from the tank. I don't think he appreciated this part of his job. My work-station was the closest to the tank, so I wound-up draining it now and then. It had a ball-valve near the bottom, leading to a short pipe.

We'd haul the water outside in 5-gallon pails, a dozen trips. The company had unlimited money for mandatory overtime, but couldn't buy a second torque wrench or a tank drainage system.

 

[MacMcMacmac]

I had to hook up a hose to a 1500gal tank that was completely full of water due to someone's over zealous use of teflon tape on the drain fittings. 100psi can shoot water pretty far.

 

[pepi]

these get favourable reviews https://rite-products.com/moisture-...-valve-pn-152-0000-300-psi-1-4-npt-ports.html

This is a very good product, have one in use for 10 years, flawless, tank is always dry.

Greg

 

[lbperry]

Earthmover and Schurkey;
How do these work? Do you pull the cable; it drains and the pressure bleeds off; and it resets automatically?
Thanks,

 

[pepi]

Earthmover and Schurkey;
How do these work? Do you pull the cable; it drains and the pressure bleeds off; and it resets automatically?
Thanks,

NO let go of the cable the valve closes..... all manual

 

[Schurkey]

Earthmover and Schurkey;
How do these work? Do you pull the cable; it drains and the pressure bleeds off; and it resets automatically?
Thanks,

The entire valve/mechanism is located on the drain pipe, except for the upper end of the cable which is mounted somewhere higher on the tank. In my case, it's mounted to the same platform as the electric motor that turns the compressor pump.

Pull the cable, valve unseats, tank drains...until you release the cable. With the cable released, the valve re-seats and the tank stops draining.