Our NPT Pipe Caps are female adapters specifically designed to close off or seal male NPT (National Pipe Tapered) threads. As the opposite of plugs, which are used to block female connections, NPT pipe caps are used to "cap off" male-threaded connections in plumbing and fluid systems. These caps provide a secure, leak-free seal that helps protect the male threads from contaminants and damage, ensuring the integrity of the system. NPT pipe caps are commonly used in applications where a temporary or permanent seal is needed, offering an efficient solution for maintaining the performance and safety of pipe systems.