What is the maximum allowable interval for supporting 1 1/4" steel pipe used horizontally?

In the context of supporting horizontally run steel pipe, the maximum allowable interval is crucial for ensuring the stability and integrity of the piping system. For 1 1/4" steel pipe, the maximum spacing between supports is set at 10 feet. This standard helps to prevent sagging or bending under the weight of the pipe and any liquids or gases it may contain.

By maintaining this support interval, you also reduce the risk of stress on joints and fittings, which could lead to leaks or failures. Proper support prevents excessive movement and vibration, which could compromise the overall system's effectiveness and safety. This standard is typically referenced in industry codes and regulations related to piping systems. Therefore, a support spacing of 10 feet for 1 1/4" steel pipe is a critical aspect of installation practices in maintaining structural integrity and reliability.