What aspects of the grooved pipe fittings are extremely problem-prone aspects?
Manufacturers of grooved pipe fittings, and merchants using grooved pipe fittings, always inadvertently find some quality problems. And what are the reasons and links that you know about these quality issues? Here are a few of the things you can summarize about the problems that often occur with grooved fittings:
The first one: raw materials, if there are quality problems in this area, the later work is no better, the grooved pipe fittings will not help.
The second one: the quality of the grooved pipe fittings in the casting process, the process is a very rigorous aspect, can not be flawed.
The third: in the later stage of inspection and suppression of finished products, it is not possible to conduct sampling inspection, but each inspection.