【 Product Usage 】 H44H and H44Y PN16~PN250 swing steel stop check valves are suitable for pipelines in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and power industries, with a pressure of 1.6~25MPa and a working temperature of -29~+550 ℃. The suitable media are water, oil, steam, acidic media, etc. 【 Product Features 】 The H44H and H44Y swing steel check valves of China Valve Holding Group automatically open and close by the force generated by the flow of the pipeline medium itself, and belong to an automatic valve. Check valves are used in pipeline systems to prevent media backflow, reverse rotation of pumps and their drive motors, and discharge of media inside the container. Check valves can also be used to supply pipelines to auxiliary systems where the pressure may rise above the main system pressure. Performance parameters

Main appearance and connection dimensions of swing steel check valves