Defect?

[Brian E. Kelly]

Originally Posted by lkage

Here are the different fittings:

both types are "Compression Fittings"

[Jeffrey R. Jonas]

Originally Posted by lkage

Here are the different fittings:

Single flare, double flare, ball flare... yadda, yadda, yadda...

[Larry D. Kage]

Originally Posted by bkelly2

both types are "Compression Fittings"

Still, some may want to see what a flared fitting looks like. You know, how they are different.

[Jeffrey R. Jonas]

Originally Posted by bkelly2

The threads in a flare fitting are NOT tapered and do not need to be sealed.
The seal is between the flared end of the pipe/tube and the tapered face of the other side of the fitting.
All the threaded collar does is supply force to create a seal between the opposite tapers of the two ends.
Putting anything in this taper results in a worse seal, not a better one.

Brian,

You do know I am Jeff and not Bob, right?

I understand all of what you are saying, and even some things you are not! I thoroughly understand flare fittings, pipe fittings, tapered threads, etc... and how they operate. I worked for Caterpillar in the machine shop making hydraulic hoses for a spell. Hated every minute of it, but learned a hell of a lot!

Work with me here... post a link showing me that dope on the threads only of a flare nut is not allowed. Not "shouldnt" be done, but is stated that it is not allowed.

Btw... I am not saying you are wrong for calling it out. Just trying to squeeze all the facts out into the open, so others may make their own educated decisions on how they report this, if and when they run across it.

[Charley L. Bottger]

Originally Posted by bkelly2

I always call it out, it is an indicator of an Un Professional Installation.

Those connectors should be replaced and installed correctly.

You only asked a simple question do you call it out or not. Only if leaking do I call it out. Long time since we spared BK how you been good I hope, met Old Duff in Indy last month he is a mover and a shaker for sure I will get you over on the HVAC thread and talk trash perhaps about electric furnaces and amp meters just so Bushy can talk SOP

[Brian E. Kelly]

Originally Posted by cbottger

You only asked a simple question do you call it out or not. Only if leaking do I call it out. Long time since we spared BK how you been good I hope, met Old Duff in Indy last month he is a mover and a shaker for sure I will get you over on the HVAC thread and talk trash perhaps about electric furnaces and amp meters just so Bushy can talk SOP

All good here Charley.

[Brian E. Kelly]

Originally Posted by jjonas

Brian,

You do know I am Jeff and not Bob, right?

I understand all of what you are saying, and even some things you are not! I thoroughly understand flare fittings, pipe fittings, tapered threads, etc... and how they operate. I worked for Caterpillar in the machine shop making hydraulic hoses for a spell. Hated every minute of it, but learned a hell of a lot!

Work with me here... post a link showing me that dope on the threads only of a flare nut is not allowed. Not "shouldnt" be done, but is stated that it is not allowed.

Btw... I am not saying you are wrong for calling it out. Just trying to squeeze all the facts out into the open, so others may make their own educated decisions on how they report this, if and when they run across it.

Straight threads on Flare fitings do not provide the seal, so only knuckleheads apply sealant there. What would be the point of applying sealand where it is not called for??

Usually when somone puts sealant where it does no belong is because they did not handle the parts with care durring installation.

Or the do not know what they are doing??

Either way it is GAS PIPING and I believe it should be installed correctly....

PS there is no manufacturere that I know of that tells you to use anything on the threads of Flared Fittings when making the joint.....

http://www.nhlgc.org/affiliate/nhboa/pdf_documents/Gastite_Installation_Instructions.pdf

• Pipe dope or sealant must not be used inside the fitting prior to assembly.

[Bob Elliott]

Originally Posted by jjonas

Brian,

You do know I am Jeff and not Bob, right?

I understand all of what you are saying, and even some things you are not! I thoroughly understand flare fittings, pipe fittings, tapered threads, etc... and how they operate. I worked for Caterpillar in the machine shop making hydraulic hoses for a spell. Hated every minute of it, but learned a hell of a lot!

Work with me here... post a link showing me that dope on the threads only of a flare nut is not allowed. Not "shouldnt" be done, but is stated that it is not allowed.

Btw... I am not saying you are wrong for calling it out. Just trying to squeeze all the facts out into the open, so others may make their own educated decisions on how they report this, if and when they run across it.

He knows it is you from all the babbling.yada yada yada.

[Jeffrey R. Jonas]

Originally Posted by belliott

He knows it is you from all the babbling.yada yada yada.

Wondered how long it was going to take you to jump in.

[Brian E. Kelly]

..

[Tim Spargo]

Originally Posted by bkelly2

Would you call it out.

yes...

improper use of yellow jello @ the flare

[Vern Mitchinson]

Originally Posted by bkelly2

both types are "Compression Fittings"

No they are not the same they work in completely different ways.
The flared pipe (tubing) is forced onto the fitting and makes the seal under extreme pressure by deformiong the tubing to the flare on the fitting. The compression fitting is a ring that compresses around the pipe and compresses a grove in the pipe (tubing).
If you walk into a plumbing supply store and ask for a compression fitting they will hand you a fitting with a ring.
If you call the flare fitting a compression fitting the clerk will likely ask if you've been smoking dope?

[Brian E. Kelly]

Originally Posted by vmitchinson

No they are not the same they work in completely different ways.
The flared pipe (tubing) is forced onto the fitting and makes the seal under extreme pressure by deformiong the tubing to the flare on the fitting. The compression fitting is a ring that compresses around the pipe and compresses a grove in the pipe (tubing).
If you walk into a plumbing supply store and ask for a compression fitting they will hand you a fitting with a ring.
If you call the flare fitting a compression fitting the clerk will likely ask if you've been smoking dope?

wrong, but thanks for playing.

These are two types of fittings: flare fittings (type-B/manipulative, British) and standard fittings (non-manipulative, British). Standard fittings are used in compressed air and water connections and do not require any modifications. Flare fittings on the other hand are modified using special equipment and used for high pressure lines.

But the original question remains Vern. Do you call out sealant on flare threads?