Coal Vac & PVC Failure!

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Kungur
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Post by Kungur » Sun. Jan. 20, 2019 12:25 pm

So the last few days I start noticing rice coal on the floor next to my hopper where the coal Vac empties into. Yesterday there was a lot more. So after close examination I found the 90 degree elbow had a hole worn right through. Apparently the coal movement acts like a sandblaster!
Had a short 90 to stick in temporarily.
Glad I made everything a force fit and did not glue it!

 
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CoalJockey
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Post by CoalJockey » Sun. Jan. 20, 2019 12:33 pm

Hey Kungur go to a hardware store where they stock Fernco fittings. They make a rubber elbow that just clamps on with hose clamps. The rubber provides a cushion effect as the coal flys into the elbow and as a result doesn’t wear through as easy. Might find them on Amazon too maybe.

I had the same thing happen to me on the vac system that I used and the Fernco was still good as new when I took the system apart when we moved.

 
Kungur
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Post by Kungur » Sun. Jan. 20, 2019 1:27 pm

As I was installing the new fitting I was wondering about the Fernco fittings! I will pick one up tomorrow at Home Depot.
Thanks!


 
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nepacoal
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Post by nepacoal » Sun. Jan. 20, 2019 2:08 pm

I've ran 9 tons through my long sweep elbows and have not noticed any issues (yet) . Did you use the normal or long sweep elbows?

 
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Pauliewog
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Post by Pauliewog » Sun. Jan. 20, 2019 2:52 pm

nepacoal wrote:
Sun. Jan. 20, 2019 2:08 pm
I've ran 9 tons through my long sweep elbows and have not noticed any issues (yet) . Did you use the normal or long sweep elbows?
9 to 10 ton is about the limit on the last 90 * sweep that enters my drum. A few years ago I also noticed it was taking a little longer to fill the 55 gallon drum and saw a few pieces of coal on the floor. The impact on the last sweep wore a hole in it. None of mine are glued so it only took a minute to remove.
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As a temporary fix I wrapped it with a bicycle inner tube and hose clamp and picked up a new one the next day.
Screenshot_2019-01-20-14-25-55.png
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That was two years ago, and the new one is a little dusty but its still on the shelf ready to go.
Screenshot_2019-01-20-14-42-04.png
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Probably ran at least 12 ton thru the patched one. :lol:

Paulie

 
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McGiever
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Post by McGiever » Sun. Jan. 20, 2019 4:38 pm

Pretty good mileage with that patch on a long radius 90, Pauliewog. :)


 
Kungur
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Post by Kungur » Mon. Jan. 21, 2019 9:30 am

Stop at Home Depot and picked up a PVC fitting. The Fernco looked like it was a small ID than the PVC so it looked like it might restrict the flow.

 
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Pauliewog
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Post by Pauliewog » Mon. Jan. 21, 2019 8:10 pm

McGiever wrote:
Sun. Jan. 20, 2019 4:38 pm
Pretty good mileage with that patch on a long radius 90, Pauliewog. :)
It only made one season on my grandsons bicycle but it did much better on the elbow. :lol:

Paulie

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