These pumps are used for strong acid,strong alkali,such as Sulphuric acid,hydrochloric acid ,hydrofluoric acid ,hydrogen nitrate,strong oxidant ,organic solvent .etc
Material can be PP,PVDF,PTFE,F46, fluorine alloy , have a lower cost than metallic material .
Reference standard: ISO2858 / DIN24256 / API610 / API685 / ANSI B73 1. Etc.