A Retainer is used to secure or hold other parts or components in place. The primary function of a retainer in a valve is to prevent the displacement or movement of other components within the assembly. It achieves this by exerting a retaining force or pressure on the components it holds, keeping them securely in position in a check valve.Attributes:• Manufactured to precise specifications and are built for durability and reliability• Designed to grip onto the object being retained, such as a shaft or rodApplications: A Retainer is used to maintain the structural integrity and functionality of components securely in place.