Compression - Show Off Your Compressor

[63roundbody]

Tom watch government auctions !

Thanks, I have one site booked marked.

 

[70Camaro]

Here is my Quincy 310. 60 gal. 1964(date on tank) Bought it from an old gas station. Took it apart and cleaned and painted it. Replaced all the bolts, tubing and wiring. Every where there is metal to metal contact, I have put rubber pads or sheet between. From empty to 140psi takes 12 min. Just wired in the breaker and recp. this past Tues. 06-14-11 . Have yet to run the piping.

Hockey Pucks

Runs so quiet. Sounds like the African Queen.

i've run some of the piping--still have more to run--LOL

 

[tlmartin84]

QUESTION:

Is there any reason you couldn't run two cheap single stage compressors off of the same motor fitted with a double pulley and tee the lines together prior to entering the tank?

 

[Jim Johnstone]

QUESTION:

Is there any reason you couldn't run two cheap single stage compressors off of the same motor fitted with a double pulley and tee the lines together prior to entering the tank?

No reason at all, google "duplex compressor", several manufacturers sell compressors pre-configured like that.

 

[trboxman]

I've never seen a duplex compressor with a single motor. Do they really exist in that configuration? I'd also think that each pump would need it's own checkvalve before combining them with a T fitting.

 

[63roundbody]

i've run some of the piping--still have more to run--LOL

Very nice work, I'm sold.

 

[LutzTD]

champion 80gal upright on Tampa craigs looks like a good deal

http://tampa.craigslist.org/hil/tls/2988871926.html

 

[1Garageman]

champion 80gal upright on Tampa craigs looks like a good deal

http://tampa.craigslist.org/hil/tls/2988871926.html

Posting has already been deleted by author on that link.

 

[LutzTD]

Posting has already been deleted by author on that link.

yea, It was a 1990s champion 5HP 80 gal upright with little use (so he says, cant verify) for $350, somebody got a great deal

 

[Palf]

Mine started as an early 80's Echo single stage w/60 gal tank. I got it from a buddy of mine back in 2003. The orginal motor and compressor went out on me in 2007and I couldn't find parts for the compressor. Replaced the 5 hp motor and got another single stage compressor from Harbor Freight. It has run great. I just rebuilt the reed valves in it this year. She still keep on chugging along. One day a bigger tank and a 2 stage compressor.

 

[tlmartin84]

I've never seen a duplex compressor with a single motor. Do they really exist in that configuration? I'd also think that each pump would need it's own checkvalve before combining them with a T fitting.

Of the ones I have searched for all have 2 motors and the lines from the pump run directly into their own fitting on the tank....(doesn't appear to be any checkvalves). Do these motors run simultaneously or are they sequenced?

Running them off of a single motor is a matter of having large enough motor to run both pumps with a double pulley, I am debating doing this as I have a larger motor and one good pump vs buying a larger pump. I will set it up in a pyramid configuration with the motor mounted between the two pumps and slightly elevated for space, running one belt to the left and one to the right.

QUESTION: My main concern is Check Valves, would two check valves (one in the line of each pump prior to teeing into the tank be neccessary? Or would the Reed Valves in the pump act as a check valve against the other pump while running? Does anyone know?

 

[Jim Johnstone]

I've never seen a duplex compressor with a single motor. Do they really exist in that configuration? I'd also think that each pump would need it's own checkvalve before combining them with a T fitting.

http://www.centrair.ca/large_images/vay5081_447.jpg

Typically they would each enter the tank on their own, but there is no reason that you couldn't tee the pump outlets and then have the air leave the tee and into a single check valve entering the tank.

 

[Jim Johnstone]

QUESTION: My main concern is Check Valves, would two check valves (one in the line of each pump prior to teeing into the tank be neccessary? Or would the Reed Valves in the pump act as a check valve against the other pump while running? Does anyone know?

It will work fine, as the reed valves function on air pressure differential. Two pumps both pumping at the same time, into the same line still won't get over the max pressure of a single pump. Pressure remains the same, volume gets increased. It'll work fine.

 

[tlmartin84]

Yeah volume is what I need. What about the return line from the pressure switch to the pump? Just Tee it off as well???

 

[Darchangel]

Pressure switch only needs to monitor the tank, and turns on/off the motor. With only one motor, no need for any sort of tee-ing, unless it's to tee it in after the check valve on the same port in the tank.
Does that make sense?

 

[m21bmr]

I don't have as upscale a setup as many of you guys, but here is my compressor. It is a 2002 Husky model VT6315 26 Gallon 110V with cast iron oil lubed compressor (built by Campbell Hausfeld). I bought it used in 2008, and it has served me well.

 

[tlmartin84]

Pressure switch only needs to monitor the tank, and turns on/off the motor. With only one motor, no need for any sort of tee-ing, unless it's to tee it in after the check valve on the same port in the tank.
Does that make sense?

What about the bleed line that runs back to the original pump? Is that to bleed the switch or pump?

 

[Darchangel]

That, I'm not sure. My old Montgomery Wards compressor (handed down to me from my dad) long ago had a combination check valve/unloader valve that relieved pressure on the compressor head so it could start easily (I know this because the unloader stuck closed once, and I had to give the compressor a "push" to get it started.) I confess I haven't looked at my upright to see how it's arranged.

 

[Busted_Knuckles]

The first one, the little one, my mom bought for me in middle school (late 70s) when I took an interest in taking cars and motorcycles apart.

I still works, I still fill tires with it, and use it on construction sites, when my porter cable pancake wont keep up. Not sure how Ive managed to hang onto it all these years.

The Quincy 350 I picked up late last year, the other two items came with it, one is an 110v after cooler, the other is a refrigerator for drying the air out.

I have yet to plumb it into my new shop. I waiting on an hub adapter for the new motor to show up, so I can run it, had a 3ph motor, I only have single phase, so the motor is getting changed out.

 

[Raze]

Craftsman 33gal, decent for my needs, got it as a floor model at Sears for $120 2 years ago since they were switching to the taller models...

 

[aka Larry]

Here's mine. It's a 220V 60gallon I got from Home Depot a couple of years ago.

My attached garage has a small storage room where the water heater is located so I put it inside to avoid the noise. I ran a rubber air line up and thru the attic coming back down to the hose reel in the garage. The little chrome trim ring is from a toilet line to make everything look good. I also extended the drain with some pipe and added a dump valve that is easy to get to since I dump mine each day I use it.

 

[Dan in Pasadena]

Nice job Larry. What brand, size, etc regulator and water separator (I assume) are you using?

 

[aka Larry]

Nice job Larry. What brand, size, etc regulator and water separator (I assume) are you using?

Thanks!

Actually neither of those are anything special. The water separator is from HF amd the regulator came from MMC.

 

[RebelAlliance]

Here my (new to me) 80gal DevilBiss Pro Air II compressor. Big step from little 8gal.

 

[sarel.wagner]

My setup, Got the bigger unit new more than 25 years ago, had to replace the starting cap on it 230 volts single phase 2.2kW (3.0Hp) now joined by a new 2.2kW unit to bump up my air CFM for sand blasting cabinet and spray painting. The two tanks are joined. No 3 Phase available


Big azz Milton 1/2" hydrauliccouplers and pipe 160Bar connecting the two, works a charm

Rgrds

 

[kams1973]

Here's a small gas powered air compressor I finished today.

 

[930dreamer]

Looking good.

 

[1Garageman]

My setup, Got the bigger unit new more than 25 years ago, had to replace the starting cap on it 230 volts single phase 2.2kW (3.0Hp) now joined by a new 2.2kW unit to bump up my air CFM for sand blasting cabinet and spray painting. The two tanks are joined. No 3 Phase available


Big azz Milton 1/2" hydrauliccouplers and pipe 160Bar connecting the two, works a charm

Rgrds

Question about joining two compressors like that.
Do you run the motors on both of them at the same time, or just the bigger air compressor? I don't think I have see two of them joined together before with both having motors.

 

[sarel.wagner]

Question about joining two compressors like that.
Do you run the motors on both of them at the same time, or just the bigger air compressor? I don't think I have see two of them joined together before with both having motors.

Running both motors to get the CFM I need. The tanks are directly connected so act as one bigger tank. The one motor will start up and when the pressure drops more the second motor will start and the two motor running can pum er up enough for my needs, so same CFM comming in as going out.

Rgrds

 

[ccm399]

Ok here's mine:

I bought it locally from a guy with 150 hours on the meter. He retired and closed his shop (side business). I got it for a song really. It will put out 24 cfm @ 175psi. It has a 7.5 Baldor motor on it. I LOVE this thing. Way overkill in my 2 car garage but I am working on fixing that issue...

Chris

 

[fatboy621]

No picture but I have a 40 gallon craftsman oil less. It does want I need but wow is it loud! I moved it out to the shed and trenched a line to the garage. Now you can't hear it at all, very nice. Was well worth the time and the $40 bucks for the pipe. I used some black plastic water line that is rated for 300PSI. I have a reg on the compressor as well as one in the garage. The line is split so I have the line pressure,125PSI and then have the reg to drop it down for other things. The down side is the line does get moisture in so I put a water trap and oiler. Works great.

 

[J Persons]

I'm looking for some Ingersall Rand pressure regulator T mounts, part number 104401. I've seen them in their catalog on line, but can't find anyone that has them for sale. They are used to mount a regulator and filter to a wall.
TIA, John

 

[Burn1]

Bought my T-mount and IR regulator/filter from my local Grainger store.
Here is a link for the part number you referenced:
http://www.grainger.com/Grainger/INGERSOLLRAND-TType-Wall-Mount-4PJR8?Pid=search

 

[Burn1]

Bought my T-mount and IR regulator/filter from my local Grainger store.
Here is a link for the part number you referenced:
http://www.grainger.com/Grainger/INGERSOLLRAND-TType-Wall-Mount-4PJR8?Pid=search

Here is a pix of my t-bracket. That mounting system is clean and easy to install.

 

[J Persons]

Here is a pix of my t-bracket. That mounting system is clean and easy to install.

Is your compressor to the right of the regulator? Reason I ask is I have the same regulator and it is configured from the factory so the flow needs to be from left to right, there is an arrow in the top of the regulator that indicates the flow. Is there some way to reverse the flow, or did I get the wrong regulator? I would prefer the flow on mine was from right to left, as yours is.

 

[tlmartin84]

Does it matter which way a compressor pump turns???

 

[Jim Johnstone]

Does it matter which way a compressor pump turns???

Usually yes, the cooling fins on the flywheel need to push air the correct way across the pump, and in some compressors that have forced lubrication, the oil pump MUST turn a certain direction.

 

[tlmartin84]

What if the flywheel were just flipped to still push air accross it, and mine is splash lubed with reed valves....

Anything ese that could be a problem???

I am just asking because a came across a double shaft electrical motor, thought was to place one pump in front and one pump behind motor, it would make for a nice clean setup, and I could get away with buying a cheap single pulley. if this won't work I will just use the same motor I currently have with a double pulley and see how it will handle the second pump.

If there isn't enough power I will use the original pulley, (right now I am running a larger than stock pulley on the motor to increase CFM from the extra pump speed.

 

[great adventure]

this is my poor italian air compressure 300 ltr. 4hp single face
2 cylenders. I used 3 honda engine mount to avoid any
vibration and also I used hydraulic hose between the compressure
and the steel air pipe's

 

[Steevo]

My compressor is now mounted up on the pallet rack:



Ingersoll Rand T-30 with 2475 pump and 5HP Baldor motor.