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Air Compressor check valve & hard line Routing questions.

bastage

Well-known member
Joined
Feb 6, 2017
Messages
234
Location
Kuna ID
This might end up kinda long to please bear with me.

I am putting together a new to me compressor piece by piece. I have a small space to put it in & I want it to look good on top of being functional.

I have a 30 gallon horizontal receiver/tank & a Champion R15A pump.

The receiver was originally used for an HVAC application so the air inlet/outlets are limited.

The 2 I am working with for the main in & out are a 3/4" that would be below the pump at about a 45 degree angle up & a 1/2" at the far end dome (this one is also the 1 1/2 inspection port so I can make use of making that bigger if I need) The other inspection port is below 3/4 on the front & anything not sticking out out a long ways from that would interfere with the 3/4 already there so I cant make much use of it.

The tank is about 38" long & I am putting it in a 48" long space under a shelf & want to mount a hose reel next to it in that same space (little garage problems). The hose reel needs to be to the left as that is also where my main working area is.

I have used my superior MS Paint skills to draw a mock up of the receiver with the outlets.

Red Circle = 1 1/2" NPT Inspection Port.
Green Circle = 3/4" NPT
Orange Circle = 1/2" NPT
Blue Circle(ish things) = 1/4" NPT



My thoughts are to do one of the following.

Thought 1:
Air In - Use a standard 3/4" in tank check valve in the front & go immediately to an elbow & then 1/2" copper tubing to the pump.
Air Out - 1/2 elbow from the far end at an angle up & to the front then a 12" ****** & another elbow to that I can mount a piggyback filter/regulator & then a 3' lead hose to the far end where it hits the hose reel.

Thought 2: all the fittings here in Stainless or nickel plated because its pretty (Told you I wanted it to look good)
Air In - starting with the 1/2" at the far end go to an elbow then a short ****** & an inline check valve & then another ****** then another elbow all at the right lengths & angles to then run a long piece of 1/2" inside the mounting plate (quite a bit of space on this receiver so that shouldn't be too difficult as I have a lot of space to work in). Then another elbow to some braided 1/2 stainless flex to the pump.
Air Out - reduce the 3/4 to 1/2 then a short 2 or 3" ******. A 45 elbow then going to the filter/regulator & then lead hose to the reel.

I am leaning towards thought 2, but I am not sure if the inline stainless check valve's I have found are suitable for air compressor use. A couple I have found are this, this or this. This also gives more tubing outside of the tank to cool the air, though I am not sure how much of a difference this makes given its going to be fairly short either way. I have also toy'd with the ideal of adding an after-cooler, and with the space I am working in the only place I could mount one is to the right with a electric fan forcing air across the cooler. Don't want to do this now, but thought 2 would definitely make this easier if I add this later.
 
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