What is the maximum capacity in cubic feet of gas per hour for half-inch nominal size schedule 40 metallic pipe?

To determine the maximum capacity in cubic feet of gas per hour for a half-inch nominal size schedule 40 metallic pipe, one must consider the specifications and flow characteristics of the pipe. Typically, the values for gas flow capacity are standardized and can be referenced in tables or handbooks used for plumbing and gas piping design.

A half-inch nominal size schedule 40 metallic pipe usually has an internal diameter that allows for a certain volume of gas to flow through at a specific pressure drop. The capacity also depends on factors like pipe length, the type of gas, pressure, and temperature conditions. Based on these calculations and standard references, the maximum flow capacity is established.

In this context, the value of 81 cubic feet per hour aligns with the standard industry calculations for a half-inch schedule 40 metallic pipe, which generally provides an adequate balance of flow capacity while considering safety and efficiency factors. This value confirms the ability of the pipe to transport gas effectively under normal operating conditions.