Glued Bulkhead

hollowpoint331

hollowpoint331

New member
I recently purchase a 55 L tank used it has a bulk head in the back of the tank in the middle on top that is used to drain to the sump well the previous owner did not use and unions to do his plumbing and just cut the pipe off from the back not I can't take the bulkhead off because of the pvc glue and can't slip a pvc pipe in the back because there is another pvs pipe inside the bulkhead pipe. any suggestions cut it out or what?
 
You could use a dremel to cut it out.

I'm having a hard time picturing the situation.... So he glued a threaded PVC fitting onto the bulkhead...? Can you just cut the bulkhead off with a hacksaw just in front of the PVC then just unscrew the nut?
 
The threading is not glued its acctually the nut on the bulkhead it has like a built in washer, well they screwed it on and also glued it for the extra protection so the nut is actually glued to the outside back of my tank.
2. I don't mind that its glued but the problem is that the inside pipe of the bulkhead has another pipe (which is glued) was the actual drain pipe leading to the sump if I could get that pipe out that would be great. If I use large pliers and try to break the glue seal could this crack the acrylic?

I hope this is not confusing.
 
<a href=showthread.php?s=&postid=11661398#post11661398 target=_blank>Originally posted</a> by hollowpoint331
The threading is not glued its acctually the nut on the bulkhead it has like a built in washer, well they screwed it on and also glued it for the extra protection so the nut is actually glued to the outside back of my tank.
2. I don't mind that its glued but the problem is that the inside pipe of the bulkhead has another pipe (which is glued) was the actual drain pipe leading to the sump if I could get that pipe out that would be great. If I use large pliers and try to break the glue seal could this crack the acrylic?

I hope this is not confusing.
Click to expand...
Can you get a coupling to go either over the existing pipe or inside the existing pipe?
 
The only coupling that can possible go outside the pipe would have to be the rubber coupling which would be fine if I can find one like that, as far as the inside goes it would be hard to find something that small plus it would make my drainage less and possible not able to keep up with my mag 7.The piping on the inside is a 1-1/2" outside dia.

I was trying to stick with pvc because it takes up less space and u can get nice clean 90, flex pvc comes in rolls and is hard to straighten out.
 
<a href=showthread.php?s=&postid=11661568#post11661568 target=_blank>Originally posted</a> by hollowpoint331
The only coupling that can possible go outside the pipe would have to be the rubber coupling which would be fine if I can find one like that, as far as the inside goes it would be hard to find something that small plus it would make my drainage less and possible not able to keep up with my mag 7.The piping on the inside is a 1-1/2" outside dia.

I was trying to stick with pvc because it takes up less space and u can get nice clean 90, flex pvc comes in rolls and is hard to straighten out.
Click to expand...
Most hardware stores sell clear hose (looks like airline hose only bigger) unless you just cut off the end of the pipe as close to the tank as you can and take a hacksaw blade and cut through the bulkhead (inside the hole) in like four places and remove it in pieces which may be better in the long run than hose.Here is a Paint Diagram on how i mean to cut it off.

<a href="http://s254.photobucket.com/albums/hh81/vance71975/?action=view&current=Bulkheadremoval.jpg" target="_blank"><img src="http://i254.photobucket.com/albums/hh81/vance71975/Bulkheadremoval.jpg" border="0" alt="Removing a stuck bulkhead"></a>

Hope this helps some i know im not the greatest with paint lol.
 
Last edited:
<a href=showthread.php?s=&postid=11661648#post11661648 target=_blank>Originally posted</a> by Vinnie71975
Most hardware stores sell clear hose (looks like airline hose only bigger) unless you just cut off the end of the pipe as close to the tank as you can and take a hacksaw blade and cut through the bulkhead (inside the hole) in like four places and remove it in pieces which may be better in the long run than hose.
Click to expand...

how about a Dremel Blade is that better?
 
<a href=showthread.php?s=&postid=11661693#post11661693 target=_blank>Originally posted</a> by hollowpoint331
how about a Dremel Blade is that better?
Click to expand...

Would be hard to do this with a dremel.


<a href="http://s254.photobucket.com/albums/hh81/vance71975/?action=view&current=Bulkheadremoval.jpg" target="_blank"><img src="http://i254.photobucket.com/albums/hh81/vance71975/Bulkheadremoval.jpg" border="0" alt="Removing a stuck bulkhead"></a>


See what i mean? hacksaw blade would be easier here than a dremel
 
Vinnie is right. I had to do this with a 3/4" bulkhead.

Here is the blade I used:

minihack.jpg


Just cut the bulkhead from the inside like shown and the flange will fall off and you won't risk messing up the tank.
 
My used tank had glued in 4 bulkheads in the overflow that had to be cut out. Follow the advise above about cutting them from inside into pieces and then removing them.

Joyce
 
Just to let everyone know I cut the bulkhead out just like everyone advised little elbow grease and got it out thanks for all the help now I gotta buy a new one and glue it on lol, should I glue it or not?
 
Hell NO!!! Don't glue that bulkhead!!!

Bulkheads need NO glue or anything. The only thing that needs teflon tape is where pvc threads into the back of the bulkhead NOT on the nut.
 
<a href=showthread.php?s=&postid=11665543#post11665543 target=_blank>Originally posted</a> by hollowpoint331
Just to let everyone know I cut the bulkhead out just like everyone advised little elbow grease and got it out thanks for all the help now I gotta buy a new one and glue it on lol, should I glue it or not?
Click to expand...
i truly hope that this was a joke lol
 
no i wasn't joking but I won't be gluing anything. I thought if I won't be changing it anytime soon that I could glue it but I won't.
Thanks for the help
 
Gluing the bulkhead nut on won't stop it from leaking... But if the bulkhead does start leaking it will prevent you from tightening the bulkhead to stop the leak...

Better just to make sure its good'n'tight. I think the recommended method is hand-tight + 1/4 turn with a wrench.
 
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