... ,LPG,crude oil,fuel,etc Gear MeterMain Feature:OGM-A-25/40/50 aluminum oval gear meter has the ability to handle ... a wide range of fluid viscosities with exceptional levels of repeatability ... , chemical processing medicine, transportation, food, etc Technical SpecificationModelOGM-A-25-POGM-A-40OGM-A-50Size1″1.5″2″Min.Flow Rate20L/min25L/min30L ...