2021 Natural Gas Pipe Sizing Calculator, IAPMO
2021 IAPMO Natural Gas Pipe Sizing Calculator
This Sizing Calculator is based on the 2021 Uniform Plumbing Code (UPC) and the 2021 Uniform Mechanical Code (UMC) and is used for sizing pipe systems carrying natural gas of 0.60 specific gravity at approximately eight (8) inches water column pressure. All capacities shown are maximum and in cubic feet per hour.
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