JIS-standard swing check (non-return) valve designed to stop backflow and protect pumps, pipework, and process equipment from reverse-flow damage. The swing-disc mechanism opens with forward flow and closes automatically when flow drops or reverses, supporting dependable one-way operation with low pressure loss. Cast iron body is suited for general utility duties such as water and other non-aggressive media. Manufactured to JIS 5K pressure class with flanged ends for secure mounting, stable alignment, and service-friendly maintenance in industrial and marine piping systems.
