What size steel pipe is needed to supply two large bakery ovens with a combined total of 1225 cubic feet of gas per hour located 61 feet from the gas meter?

To determine the appropriate size of steel pipe needed to supply two large bakery ovens with a combined total gas demand of 1225 cubic feet per hour, several factors are considered, including the gas demand, the distance from the gas meter, and the pressure drop allowable in the piping system.

Based on typical gas piping charts and American National Standards, a pipe's diameter must be sufficient to carry the volume of gas required without excessive pressure loss. For a flow rate of 1225 cubic feet per hour over a distance of 61 feet, the gas piping needs to have a diameter that can accommodate that volume while maintaining a pressure drop that stays within safe operational limits.

The use of a 2-1/2 inch pipe provides an adequate cross-sectional area to handle the gas volume of 1225 cubic feet per hour while considering standard flow rates and pressure drop calculations. This size allows for optimal flow rates without significant resistance that would compromise performance at the ovens.

If smaller pipe sizes were chosen, they could lead to unacceptable pressure drops, resulting in inadequate gas supply to the appliances, which could impair their operation and efficiency. Furthermore, larger pipe sizes, while potentially suitable, would not be necessary and could lead to unnecessary costs and installation challenges.

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