② Thermal index

a. At an ambient temperature of -20°C and a wind speed of 15m/s, the temperature inside the pipe is maintained at 40-180°C;

b. The sampling pipe can withstand corrosion from various acid and alkali media, and has a pressure resistance of 1.0Mpa without leakage;

c. The sampling tube can work at temperatures <100°C for a long time.

③ Installation indicators

a. The minimum radius of curvature of composite pipe is 0.5m;

b. The maximum continuous use length is 100~150m;

c. Minimum installation temperature -20℃;

d. Minimum fixed distance: 5m in vertical direction, 2m in horizontal direction;

e. It is strictly prohibited to twist or drag on the ground during construction, and the pipe head sheath is only allowed to be removed when installing the joint;

f. The sampling composite pipe should be laid away from the power cables.

Note: Twisting and dragging on the ground are strictly prohibited during construction.
The pipe head sheath is only allowed to be disassembled when installing the joint.