Function: The primary function is to connect a flexible hose to a male threaded end pipe or fitting. One end of the collar is smooth or push-fit to securely grip the hose, while the other end has female (inner) threads to screw onto a corresponding male thread.
Material: They are commonly made from durable, corrosion-resistant materials such as high-grade Polypropylene (PP) or PVC plastic, and sometimes metal like brass or stainless steel.
Design: The inner-thread design is engineered to create a tight, reliable seal, which is essential for preventing fluid leakage and maintaining system efficiency, especially under pressure. They may also serve as reducers to connect hoses of different diameters.
Durability: Many plastic versions are UV stabilized, making them suitable for long-term outdoor use in various weather conditions.
Installation: They are designed for easy installation, often requiring minimal tools or expertise, making them suitable for both professional and DIY projects.