Color Marking Rings (Series HS) are essential accessories for STAUFF Quick Release Couplings, specifically designed for Carbon Steel Screw-to-Connect Couplings with Poppet Valve in the Series HS range. These rings provide a visual identification system, enhancing safety and efficiency in fluid handling systems. Made from durable materials, they ensure long-lasting performance under demanding conditions. The color-coded rings allow for easy differentiation and organization of couplings, reducing the risk of errors during maintenance and operation. Ideal for industrial applications, these Color Marking Rings (Series HS) are a crucial component in maintaining a well-organized and safe working environment with Carbon Steel Quick Release Couplings.