... petroleum, chemical, electric power, metallurgy, mining, shipbuilding,agriculture Plunger Chemical Metering PumpProduct DescriptionFlow: 0-6050 lphPressure: 0-500 BarPower: 5 ... Dioxide FeaturesPiston action,can be maked as the high-pressure pump.Simple structure, easy maintenance, also with competitive price. ... mm.Using insulated, heated or cooled cylinder of pump to control the temperature of medium.