Grooved couplings, otherwise known as grooved fastening products, are a universal and trusted way to join piping connections. From sprinklers to pumps and ventilation systems in commercial buildings, they are the most reliable way to prevent leakage of fluids in pipelines and fixtures. But what is it that makes them so reliable? To answer this question, we need to first understand the official business definition of grooved couplings and how they work. By doing so, we can discover just how resilient these connections can be and why many businesses rely heavily on them in their operations.