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NG pipe capacities for 10PSI
JUGHNE
Member Posts: 11,318
in Gas Heating
Can anyone direct me to info on sizing NG gas piping for 10 PSI (capacities/length of black pipe at 10 PSI)?? Thanks for your help.
0
Comments
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They are found
in ANSI Z223.1, NFPA 54 National Fuel Gas Code Table 6.3a Schedule 40 Metallic Pipe inlet pressure 10 PSI with a 1.0 pressure drop for PROPANE at specific gravity 1.50.
For NATURAL GAS the charts only go up to 5 PSI.
What is this for?0 -
Thanks Tim for checking
This is to advise/assist the local gas utility to relocate UG NG 10 PSI (I'm told) to an above ground location on the outside of a high school gym. The 17# to 10# reg. is 200' from the 10# to 4 ounces reg. The load of 120,000 BTUH @ 4 ounces is 70' from the 10#/ounces reg. The pipe size between regs is in question. I have the 10# LPG charts and the 5 PSI NG charting. Utility says this is a 10 # line. Thanks again.
PS. the existing line is 1 1/4" iron pipe UG; I'm thinking they could go quite smaller @ 10 PSI for the 200'.0
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