The 3/4" cast iron non-return valve 192-010-20 is a high-quality component used in various applications to prevent the backflow of liquids or gases. Made from robust cast iron, this valve offers high resistance to corrosion and mechanical stress, making it ideal for use in industrial and commercial environments. The design ensures reliable functionality and durability, while the 3/4" connections allow for easy integration into existing piping systems. The valve is designed to automatically close when there is a pressure difference between the inlet and outlet, effectively preventing unwanted backflow. These features make the 3/4" cast iron non-return valve an important component in fluid technology, applicable in both water management and heating and air conditioning systems.