... .0,6.4MPa 3.Tem:-80~+300C Metal tube water/gas rotameter, variable area flow meter IntroductionLZ steel rotor pipeline flow ... and explosive-proof types. It is wildly used for liquid & gas measuring and control in national security, chemical, petroleum, pharmaceutical, and ... ,000-10,00010.41140-4001,600-16,00015.5178060-6002,500-25,0008.08.1100100-1,0004,000-40,00013.09 ...