1. Look at the surface of the floor heating pipe. The surface of the good-quality floor heating pipe is relatively smooth without unevenness, air bubbles, obvious color difference and impurities, and the model, specification and brand of the floor heating pipe are indicated on the floor heating pipe. The printing on good floor heating pipes is relatively clear and not easy to fall off.
2. Use your hands to feel whether there are grooves in the pipe. Good-quality pipes feel fine and smooth to the touch, with moderate hardness.
PPR Female Threads Tee
PPR Female Threads Tee
3. Comparing the flexibility and wall thickness of floor heating pipes, the wall thickness of individual floor heating pipes is marked as 2.0, and some floor heating pipes are marked with a wall thickness of 2.0, but in fact the wall thickness cannot reach it. However, good quality floor heating pipes The wall thickness can meet the requirements and is consistent with the mark. When you can't tell the difference by looking at the pipe alone, you can compare two kinds of pipes to see which one has a thicker wall.
4. Go to the inspection department for monitoring. The inspection by the inspection department is the method used when there is doubt about the floor heating pipes. In some cases, the floor heating pipes used by the floor heating company are all qualified products, and there are inspection reports and quality assurance commitments. Simple pipes The quality test method can be carried out by the naked eye and the touch, but the test method of the performance index can only be carried out in the laboratory.