This standard establis es the classification depending on the degree of danger of pipes that transport water vapor at working pressures greater than 0.07 MPa (0.7 kgf/cm2) or hot water with a temperature greater than 388 K. (115 °C), including reduction devices (DR), reduction and cooling devices (DRE), fast-acting reduction and cooling devices (DRSAR), and collectors.
NC 19-02-24-1984 history
1984NC 19-02-24-1984 Occupational Hygiene and Safety Standards System. Stesm and Hot Waters Pipes. Classification