PE-Xb pipe is suitable for use at temperatures up to 100 degrees Celsius however continuous long term operation should be between -50 degrees Celsius to +70 degrees Celsius.
(Note: maximum temperature will vary to pressure rating)
20 Degree C = 2000kPa
60 Degree C = 1500kPa
70 Degree C = 1300kPa
SmarteX-PRESS (copper press-fit) fittings maximum temperature: 95 degrees Celsius.