Pipe Cap Buying Guide: Comprehensive Analysis of Usage, Models and Selection OptionsIn the complex piping system, a seemingly insignificant pipe cap actually plays a crucial role as a safety guardian. The pipe cap, an indispensable pipe fitting in the piping system, is also known as a cap, a plug, or a cover. It is a component that is welded to the end of the pipe or attached to the external thread of the pipe end to cover and seal the pipe. Its main function is to seal the pipeline, preventing the leakage of the medium and protecting the pipeline system from external contamination. With the continuous advancement of infrastructure construction in our country, pipe caps are playing an increasingly important role in various industries such as petrochemicals, nuclear power, food and beverage, and pharmaceuticals. I. Core Functions and Application Domains of the Pipe Cap The basic function of a pipe cap is to seal the end of a pipeline. However, depending on different application scenarios, its specific functions may vary.