Metal tube oil /high temperature/ variable area flow meter ... 3.Tem:-80~+300C Metal tube oil /high temperature/ variable area flow meter IntroductionLZ steel rotor ... For anti-corrosion PTFE: 0 ~ +80°C)Working environment temperature: -20 ~ +50°CApplication viscosity:φ15 <5mpa·s; ... .5100200-2,0006,300-63,00011.010Main structure1, Needle indicator2, Connection flange3, Measuring pipeline4, Collar5, Float ...