Measure medium: Liquid, gas Pipeline caliber: 2mm~ 100mm Medium temperature: -20 C~+65++ C Environment temperature: 0++ C~55++ C Pressure of time limit: 10mm The following: f- 1.0Mpa 10mm All above: f- 0.6Mpa Grade of precision: f+ 0.25=¬ F. S Length of straight pipe section: Forward position: f+ 100N Backward position: f+ 50N Executed standard: JB/T 9255-1999 NO
