Casting is a smelting process, this process should be very rigorous, it is closely related with the quality of late forming products. Then the grooved pipe fittings products in the inspection of what kind of strict requirements?
First, check the appearance of the tube. A closer look at the semi-rough pipe surface is smooth enough, there are no flaws or other defects, if there are these problems, should be properly treated with surface paint, will be easy to scratch the place to smooten. Do not affect the overall use of small flaws.
Second, check the semi-rough pipe fittings have holes, which is the focus of the inspection, but also difficult, because there are some very small places, we are very difficult to find with the naked eye, a little attention will let these problems become " Fish ", triggering the quality of the problem, the late product inspection constitutes trouble.
Third, to do "professional" test, in order to make the inspection work becomes meticulous, the best after the purchase of semi-finished products. The company has a dedicated inspection department to conduct a comprehensive inspection of all the semi-finished products, which helps to improve the quality of the grooved pipe fittings, minimize the probability of problematic products and eliminate the problematic products.