... accuracy at constant flow3. Low maintenance, no metaltometal contact in measuring chamber, Long life service4. Low pressure loss, a true gravity ... general solvent metering;6. Acid pH liquids;7. Liquefied petroleum gas(LPG);8. Crude oil, also for heated and/or viscous ... } ); } )(); LC Positive Displacement Flow Meter/Fuel Dispenser Flow Meter/Diesel Gas Petroleum Flowmeter/Measuring Instrument