[Jewelry making - Article 00133] - Re: [Orchid] Natural gas

[Phillip Scott]

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    Thanks for clarifying the question.  I am currently on the Technical
    Support Team for Rio Grande and do field these types of calls on a
    daily basis. There are a lot of variables when considering torches.
    Each torch as well as the tips used on that torch will determine what
    fuel/PSI rate is needed to efficiently operate your torch. 
    Compressed air requires a different pressure than Oxygen from a
    bottle, or even ambient air which is drawn in around the base of the
    torch tip.  

    The Little torch with natural gas tips requires 4 oz. to 5 PSI. to
    work properly.   

	Tip #4 = 4psi
	Tip #5 = 6psi
	Tip #7 = 8psi
	heating/melting tip = 5psi

    	Smith Versa torch will require approximately 8psi on the natural
    Gas line but can require as high as 12psi depending on the tips used
    and the opperation it is used for.  It is unlikely that most torch
    systems would need anything over 25 psi. even for casting though
    multiple torches on the same line could change the line pressure
    requirements.  

    Rio does support the Smith line of torches but other torches used
    for jewelery should be in the same ball park for pressures. 

    I hope that this helps clarify the information that has already been
    provided on this forum.  If you have any further questions on
    torches and are not able to get straight answers, please contact Rio
    Grande's technical support department and we will try to assist you
    or find answers for you. 

Respectfully,
Phillip Scott G.G. 
Technical Support & Sales
Rio Grande
1-800-545-6566


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