... 0,6.4MPa 3.Tem:-80~+300C Metal tube water/gas rotameter, variable area flow meter IntroductionLZ steel rotor pipeline ... and explosive-proof types. It is wildly used for liquid & gas measuring and control in national security, chemical, petroleum, pharmaceutical, ... .09.5100200-2,0006,300-63,00011.010Main structure 1, Needle indicator2, Connection flange3, Measuring pipeline4, Collar5, Float stop6, Float ...