Principle this is spring loaded hydrodynamic guided closing design. The disc in valve moves upward and specially designed outline of the disc and body gives passage to the media without causing any change in its velocity. This gives the aero/hydrodynamic effect which result in minimum pressure drop. When the the disc, Pump stops moves backward quickly . Due to its long axial guide not a single one displacement of the disc while closing. This action including its concentric machineing results in perfect sealing. Due to its perfectly designed spring, The control device is closed before the back flow starts and the water hammer is eliminated. This serves as a latest technology for check valve in india. Features this component serves as a valve available in one side flanged & strainer to the other side design working principal hydrodynamic guided closing the closing mechanism is guided and backed with return spring for quick closing and opening. Due to aero/hydro dynamic effect water hammer is eliminated. Very low pressure loss. Most suitable for clear liquids. The concentric machining results in to perfect sealing. Silent operation suitable for low suction head. Suitable for vertical and slanted position. This valve functions quietly at temperatures reaching 80 degrees Celsius, Showcasing its durability for reliable performance and extended durability