... -r pipe in working temperature, pressure (70 ° c P.N) 1. OMPa condition, use life can reach more ... pipe?1, pay attention to the pipeline using coefficient C (i.e. general safety coefficient) : general situation ... long-term continuous make temperature, optional < 70 degrees C = 1.25, On important occasions, and long-term ... may be at higher temperature for a long time, can choose C = 150,2, for more than ...