... 6,2.5,4.0,6.4MPa 3.Tem:-80~+300C Metal tube water/gas rotameter, variable area flow ... pressure greater than 6.4MPa)Application temperature: -80 ~ +300°C (For anti-corrosion PTFE: 0 ~ +80°C)Working environment temperature: -20 ~ ... 810-1007.56.60.4-4.016-1608.06.80.7-7.025-25010.87.21.0-1040- ... -1,0004,000-40,00013.09.5100200-2,0006,300-63,00011.010Main structure 1, Needle indicator2, Connection flange3 ...