What common problem can occur when different sized pipes meet using a reducing flange?

When different sized pipes are joined using a reducing flange, one of the common problems that can arise is turbulence. Turbulence occurs when the fluid flow is disrupted due to changes in pipe diameter. As the fluid moves from a larger diameter pipe to a smaller one, its velocity increases while the pressure decreases, which can create chaotic flow patterns. These turbulent flow conditions can lead to increased friction losses and inefficiencies in the system.

Understanding the impact of turbulence is crucial for pipe fitters, as it affects not only the efficiency of the system but also can lead to wear and potential damage over time. While other issues such as reduced flow or leakage can also arise under certain circumstances, turbulence specifically highlights the dynamic behavior of fluids in motion when transitioning between different pipe sizes. This change in behavior is critical for ensuring that systems operate smoothly and effectively, which is a key consideration in pipe fitting.