Industrial-Grade O-Ring Seals: A Comprehensive Classification Introduction
O-rings are the most widely used industrial-grade sealing components, known for their simple structure, reliable performance, and cost-effectiveness. As a torus-shaped mechanical gasket with a circular cross-section, an O-ring is designed to be seated in a groove and compressed between two or more parts, forming a tight seal to prevent leakage of liquids, gases, or other media in industrial systems. Industrial-grade O-rings differ from ordinary O-rings in their higher performance requirements, including better pressure resistance, temperature adaptability, and chemical stability, making them indispensable in various harsh industrial environments. This article classifies and introduces industrial-grade O-rings from five key aspects: definition and working principle, material classification, size standards, application fields, and core advantages, highlighting the versatility and importance of O-rings…