Gas meter tie in

Discussion in 'Project Display' started by phishfood, Feb 28, 2013.

  1. Feb 28, 2013 #1

    phishfood

    phishfood

    phishfood

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    This is a project that has been going on for awhile. There's two separate gas systems here, one to service the generator and exterior lighting, and another to service the future residence. The gas piping is only part of the project, but I thought that this particular section was especially photogenic.

    Palladio gas meter piping 1.jpg

    Palladio gas meter piping 2.jpg

    Palladio gas meter piping 3.jpg

    Palladio gas meter piping 4.jpg

    Palladio gas meter piping 5.jpg
     
    Last edited: Feb 28, 2013
  2. Feb 28, 2013 #2

    stevemachine

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    Looks good! Is galvanized pretty typical? I've never used it up here, only saw it in service for water and drainage in old homes. We pretty well only use black iron with the black lacquer finish
     
  3. Feb 28, 2013 #3

    Chris

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    Is that valve going to cause electrolysis?
     
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  4. Feb 28, 2013 #4

    stevemachine

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    I think technically it should however whenever I've put in gas lines we've always used brass ball valves with black iron piping which should be the same idea. Good point though, I've never had an issue or came across that before.
     
  5. Feb 28, 2013 #5

    Chris

    Chris

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    I think it would effect water pipe more but in theory i guess it could rot it out quicker. They don't make a Galv gas valve do they?
     
  6. Feb 28, 2013 #6

    stevemachine

    stevemachine

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    Not that I've seen, I've only saw brass ones but you never know haha. Electrolysis could happen technically according to the nobility of the metals but they do claim brass shouldn't be subject to it. I think over a period of time it could happen no doubt. And yeah water lines I've saw brass FIPs and galvanized have electrolysis
     
  7. Feb 28, 2013 #7

    stevemachine

    stevemachine

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    On water heaters
     
  8. Mar 1, 2013 #8

    phishfood

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    I know with water flowing through the lines, electrolysis is an issue. To the best of my knowledge, a closed system such as a heating system does not really suffer from that as much as an open system that always has fresh water introduced to it.

    So considering that this is a gas system, I am not concerned with electrolysis. It is common practice to use brass valves on gas systems, either with black steel or galvanized.
     
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  9. Mar 1, 2013 #9

    stevemachine

    stevemachine

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    Yeah the flow on the gas line probably wouldn't be enough to cause electrolysis, but the water lines make sense.
     
  10. May 1, 2013 #10

    kaufman

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    In Massachusetts it is illegal to use galvanized fittings or pipe in natural gas systems
    JK
     
  11. May 2, 2013 #11

    phishfood

    phishfood

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    Yeah, that seems to be a common restriction, I have heard that a lot from plumbers in other areas of the US and Canada.

    However, the supply house effed up and sent a black iron reducing coupling. Considering that I was going to paint it anyway, I installed it. The inspector made me change it out.
     
  12. May 16, 2013 #12

    ricvan

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    The only thing that I would like to see is unions on both sides of the regulator makes for easier servicing.....nice looking job though.....we don't use galvanised in our gas systems here at all
     

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