Back pressure valves are an essential component for enhancing the performance of chemical dosing systems.The back pressure valves we manufactured are suitable for use with a wide range of corrosive liquids and air. They come with diaphragms made of PFTE or EPDM and are available in various materials, such as PVC, PVDF, carbon steel, SS304, and SS316L. Our back pressure valves have an adjustable pressure range from 10Kpa to 31.5Mpa and are available with either thread or flange connections, which can be customized according to your needs.contact us for more details.