The non-return valve 1/2 - 103 is a high-quality backflow prevention valve specifically designed for use in various piping systems. Made from robust bronze, this valve offers reliable performance and durability. With a diameter of 2 inches and a weight of 0.137 kilograms, it is compact and lightweight, making installation and handling easier. The integrated NBR O-ring ensures effective sealing and prevents the ingress of liquids in the wrong direction. This valve is ideal for applications where backflow of liquids must be avoided and is suitable for both private and commercial installations. The use of high-quality materials ensures a high resistance to corrosion and wear, extending the product's lifespan. The non-return valve 1/2 - 103 is a reliable choice for anyone who values quality and functionality.