Why is it important to lubricate the gaskets and grip rings during coupler installation?

Lubricating the gaskets and grip rings during coupler installation plays a crucial role in reducing friction during assembly. This reduction in friction assists in ensuring that the components can be properly aligned and fitted together without excessive force. When parts are easier to slide into position, it minimizes the risk of damaging the gaskets or the pipe. Additionally, it contributes to more even distribution of pressure across the gasket surfaces, which can improve the overall effectiveness of the seal once the coupling is fully installed.

This lubrication process is especially important when dealing with larger or heavier pipe sections, where manual maneuvering can be challenging without some form of aid. By reducing the efforts needed to connect the components, it not only streamlines the installation process but also helps to preserve the integrity of all involved parts.

While a water-tight seal is indeed necessary for joint efficiency, lubrication primarily enhances the mechanical assembly process rather than serving as a direct sealing function. Preventing rust formation and enhancing appearance do not have the same immediate relevance to the assembly process and its challenges. Thus, the emphasis on reducing friction during assembly rightly points to a primary benefit of this practice.