B31.1 for oil guns? ASME material specs?

[USAeng]

Do "oil guns" (oil ignitors for the main burners in the boiler) fall under ASME B31.1?

If so, are you supposed to use ASME materials (SA) only in their manufacture? Or are some ASTM materials ok?

If that is true, then do you only need the ASME materials in the parts that contain the oil or gas flow?

Thanks for any input...

 

[REGRUMBLE]

I think your question is not if the code specifies but if the designer or customer specifies. We build Oil guns some to B31.1 and some not to code. It is up to the designer. We also build flare stacks to B31.1 some to ASME Section VIII and some to no code at all it is up to the jursdiction and the engineer. Our ingnitors are quite large for stacks but the same principals apply as far as I know.

 

[USAeng]

so its up to the customer if he wants stuff like oil guns built to code?

So a manufacturer does not have any responsibility or liability if the item is not built to code --> as long as it was not agreed upon in the purchase order?

I was under the impression that there was some standard that said oil guns and such were considered power piping and therefore should be built to b31.1...

 

[metengr]

Try NFPA.

 

[rmw]

I would make the statement that oil guns are not power piping. I would not, however be able to give you book chapter and verse for that statement.

While they may have some pipe as components of their construction, they have other parts, tips, tip holders, pistol grips, etc that are definitely NOT power piping components.

I would hold that any power piping code requirements ended at the connection to the gun mount until someone proved otherwise.

Personally speaking, I have been involved with oil guns for going on 40 years, and this is the first time I ever heard a discussion about code requirements.

But that doesn't mean that some jurisdiction out there hasn't imposed some random code requirement on this device, so you customer has to advise if that is the case.

rmw

 

[REGRUMBLE]

"So a manufacturer does not have any responsibility or liability if the item is not built to code"
That is a loaded statment because the manufacturer has 100% responsibility and liability that the item is manufactured according to design. Are you desinging it or just building it? The desinger is responsible to ensure it meets all local jurisdictions and requirements at our shop. We just make shure it meets everything the customer specifies.