ideas for flexible connection for compressor

[LutzTD]

looking for a source for a flexible connection for my compressor to the hard piped distribution lines. IR has a kit but it is $150, seems like the hose could be purchased elswhere, I dont need the rest of the kit. I looked in McMaster (56145K65) and can get a 1" braided coolant hose good for 365PSI which seems fine for about $75. Anyone have another source, would like to do braided but doenst have to be stainless.

 

[RVDan]

Can you use a hydraulic hose? Should be able to get one made for less than $50 or buy a short premade hose for $20

 

[rmc115]

I just did mine with a hydraulic hose from tractor supply (TSC) 3/4 x 36" 3000 psi $22.99 + $6 for a swivel fitting, worked great. Mike

 

[930dreamer]

X2 on the Tractor Supply hose that's what I used.

 

[c39er]

Here's mine-1" braided hose.

 

[JCQuick]

any decent place that sells hose reels will have a 2-4" whip hose

 

[WILD-BILL]

I have a TSC 3/4" hose as well but have yet to get the rest of the system to install it.

 

[sevensandeights]

Got mine at a local industrial hose shop - used 3/4" Goodyear push lock hose and 3/4" barb - 3/4" MNPT fittings. 300 psi and adequate heat rating. I think I paid $25.

 

[BD1]

I just did mine with a hydraulic hose from tractor supply (TSC) 3/4 x 36" 3000 psi $22.99 + $6 for a swivel fitting, worked great. Mike

Me too. Mine from farm and fleet.

 

[NUTTSGT]

My plans were to buy a new one at TSC or have the local hydraulic hose shop make me one.

 

[OldTC]

Wow,....I recently ordered an eighteen inch piece of braided line with 1/2"NPT ends on it for $41. I should have looked around a bit more.

Oh well.

 

[trbomax]

Go to a heavy duty truck shop or hose shop and have a truck air brake compressor discharge hose made up. they are are usually teflon with a ss braided outer.you need something that will handle the high heat of compressor discharge air,not hyd hose.I know,hyd hose will work,but that doesnt make it right.
You dont really need a flex line anyway. My IR t-30 was built in 1937 and has been plumbed up solid with a union when it was new. Its been in the family since around 1950 that way.Its still chuggin'.

 

[thightower]

Hyd. hose will work in a pinch, but after a while the heat may get to it. Would definatly look at braided hose. I'd check for an industrial hose supply, they may be your best bet.

 

[1938flatty]

My local auto parts store made me a 3/4 inch hydraulic hose with a swivel on both ends.

 

[AndyA]

I have 1" hydraulic hose from mcmaster.com
No heat problems since there's an aftercooler between the tank and compressor. The hydraulic hose is between the tank and distribution system.

 

[slip knot]

Hydraulic hose wont take the heat?

I'm pretty sure the hydros on my tractor run a bit hotter than my compressor output.

 

[cnc-me]

Hydraulic hose wont take the heat?

I'm pretty sure the hydros on my tractor run a bit hotter than my compressor output.

He might be thinking from the pump to the tank.
Which is not what the OP asked for.

 

[jlckmj]

Farm and Fleet

Tractor hydraulic hoses in stock, I used a hose with 3/4 inch pipe thread ends for about $20.00

Jim

 

[AndyA]

Hydraulic hose wont take the heat?

I'm pretty sure the hydros on my tractor run a bit hotter than my compressor output.

I was curious so I used the IR temp gun to measure the temps at my compressor's output. After letting the compressor run a bit to get the temps up, I measured a highest temp of 308F. 60F at the output of the aftercooler. This was with 40F ambient.

So I'd say, yes, the compressor output is too hot for hydraulic hose. Probably ok for use a little farther down the line.

 

[brianpgriset]

I too use a tsc hydraulic hose with band unions on each end.

 

[Tim The Tool Man]

1" hydraulic hose from tractor supply. was around$20.00 2 years ago. No issues and works great.

 

[Steevo]

Hydraulic hoses are made to withstand temperatures hundreds of degrees higher than the outlet temp of any air compressor tank, and pressures that no standard pump and tank air compressor could hope to achieve (2500psi or more).

 

[thightower]

My experience with hyd hose is it seems to hard and brittle when used in other applications faster than with oil. If used between tank and air supply it should work fine.

 

[bigredmf]

Hydraulic hoses are made to withstand temperatures hundreds of degrees higher than the outlet temp of any air compressor tank, and pressures that no standard pump and tank air compressor could hope to achieve (2500psi or more).

Steevo

I hate to say this but you are incorrect.

Say a standard hydraulic hose is rated for 212
f when used with oil it would be rated lower for when used with air. This is because the high temp air ***** the moisture out of the hose making it stiff and eventually brittle.
Now you could buy a DOT air braked hose and it would maintain the full 302f.

The working pressure would drop significantly as well due to air being compressible.

Also observe the following if using a hydraulic hose for high pressure air service

1. For air or gaseous applications above 250 PSI (1,7 MPa), the
cover should be pin pricked. The service life for air or gaseous
applications can be unpredictable, especially at higher pressures.
Contact Technical Service Department for more information

The pin pricking will let the air that migrates between the tube and hose cover escape. If you do not your hose cover may develop blisters of air.

Many options are available like Teflon lined hose or a corrugated metal hose to name a few.

Regards

RED

 

[HIRISC]

Basic hydraulic hose. Works just fine.

http://www.northerntool.com/shop/tools/product_200383948_200383948

 

[LutzTD]

1" hydraulic hose from tractor supply. was around$20.00 2 years ago. No issues and works great.

cool thanx, I knew you guys would have a solution. I will try TSC tonight. this is from the tank to the wall mounted steel air line, temps shouldnt be an issue with an 80 gallon tank. Curious about pin pricking the cover, anyone done this? Im of the opinion that for $20 Ill buy one and a spare......

 

[LutzTD]

cool thanx, I knew you guys would have a solution. I will try TSC tonight. this is from the tank to the wall mounted steel air line, temps shouldnt be an issue with an 80 gallon tank. Curious about pin pricking the cover, anyone done this? Im of the opinion that for $20 Ill buy one and a spare......

they dont have 1", I will keep looking

 

[Steevo]

Steevo

I hate to say this but you are incorrect.

Say a standard hydraulic hose is rated for 212
f when used with oil it would be rated lower for when used with air. This is because the high temp air ***** the moisture out of the hose making it stiff and eventually brittle.
Now you could buy a DOT air braked hose and it would maintain the full 302f.

The working pressure would drop significantly as well due to air being compressible.

Also observe the following if using a hydraulic hose for high pressure air service

1. For air or gaseous applications above 250 PSI (1,7 MPa), the
cover should be pin pricked. The service life for air or gaseous
applications can be unpredictable, especially at higher pressures.
Contact Technical Service Department for more information

The pin pricking will let the air that migrates between the tube and hose cover escape. If you do not your hose cover may develop blisters of air.

Many options are available like Teflon lined hose or a corrugated metal hose to name a few.

Regards

RED

Red,
Thanks for the scientific data based response.
In reality, though, I don't think anyone here knows of any shop running over 200psi, or even much above 150~175 in air lines, and output temps of more than 212ºF from the compressor tank discharge side would be troubling to say the least.

 

[Falcon67]

they dont have 1", I will keep looking

Must be a hell of a compressor to need 1" hose. 3/4" should be more than plenty even in a production setup.

 

[LutzTD]

Must be a hell of a compressor to need 1" hose. 3/4" should be more than plenty even in a production setup.

yes I too think it is big, but my compressor is 50 ft away from my building, then the building will be 40X60 with the dirty side being the diagonal from the air input corner so I figure I will have a 150 foot run to my blast cabinet. I got 1" pipe off of craigs for dirt cheap so I am doing the entire long run in 1"

as it turns out there is a goodyear rubber around the corner, I didnt even know it was there. I got a 1 inch diameter 3ft long red air hose with brass pipe fittings for $37