answersLogoWhite

0


Best Answer

No pipe dope is to be used on the brass seats they will seat dry.

User Avatar

Wiki User

14y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

15y ago

NO, nope, No way

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Is pipe dope used in joining copper unions?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

When joining steel pipe use what?

pipe dope and teflon tape


Do you need pipe dope to connect brass pipe to copper pipe?

NO but you will need some type of sealent OR braze or soldering


How to dope copper to copper connections?

Teflon tape, Hercules Pro dope, pipe joint compound and quick wick , Pipe joint compound without quick quick wick , Blue block ,Teflon paste


When joining steel pipe what should be applied to the pipe threads before connecting?

when joining to lengths of black steel it is necessary to use either Teflon tape or pipe dope, also called leak lock, this is not to seal the joint per say but the tape and doping act as a lubricant on the threads of the joint allowing for the pipe to be turned together tighter also the dope will dry and become a sealant


What copper tube is available when using the grooved method of joining?

Grooved method? Threads on the end of the pipe? There is no tube or pipe in copper with threads. You can end a copper pipe with a connection that is threaded to accept steel pipe.


Galvanised pipe to copper pipe fitting?

You will want to put a length of copper into the fitting and solder it before you put it on the galvanised so that you don't cook out the pipe dope. >>they also could have soldiered on a flange on copper and thread on galvanized pipe.would have been another choice


What is the best guaranteed leakproof sealant compound for joining galvanized pipe to the shower apparatus?

Teflon Pipe Dope. Guaranteed I would have to either weld or braze the piping together


Can you use teflon pipe dope on PVC pipe when connecting to cast iron?

If you are screwing in -- yes -- If not -- you do not use pipe dope


How can I fix a cracked copper pipe?

If it is leaking at a fitting, it is either a bad flare or it isn't tight enough. Gas or flare fittings should be put together dry, Do no use pipe dope because this can cause a leak between the mating surfaces. If it is in the line itself, either replace the line or cut it, flare the ends and put a fitting in.


Do you need pipe dope for brass to brass?

Yes, it is still a pipe thread. The pipe dope is there to fill in the gaps in the thread. It is impossible to machine the treads close enough in pipe to not need something in the threads to make a seal.


Do you use pipe dope on compression ring fittings?

no


What is the best thread dressing for galvanized to PVC pipe joints?

Pipe dope and/or teflon tape