Our Instrumentation Stainless Tube Caps and Plugs, made from durable 316SS, are essential components for sealing and protecting the ends of tubes or fittings in hydraulic and instrumentation systems. Tube caps are designed to cover and safeguard open ends, while plugs are inserted into the openings to create a secure seal. These adapters play a critical role in maintaining the integrity of your system by preventing leaks, contamination, and damage, ensuring that your equipment remains clean, operational, and efficient in various industrial applications.