Many people do not know how to buy a qualified cast iron manhole cover, often confused about the purchase of manhole covers. In fact, if you do not know how to buy manhole covers, you must find technical personnel to consult or buy them together, because there are various cast iron manhole covers on the market, which are true or false. The following small series gives you some suggestions, hoping to help you.
1、 The manufacturer has a standard when producing cast iron manhole cover, so you should determine whether the size of cast iron manhole cover is qualified or not according to some simple measurement.
2、 Choose to buy cast iron manhole cover, to choose a qualified enterprise or manufacturer to purchase.
3、 Generally, when the manufacturer introduces the cast iron manhole cover for you, the loading degree of the manhole cover will be described in detail. Therefore, it is necessary to purchase according to such load standard
4、 In fact, you can visually watch the color and texture of cast iron manhole cover, as well as whether his welding process is exquisite, which can also directly detect the quality problems of cast iron manhole cover.
Some cast iron manhole covers will have serious burr, and some cast iron manhole covers are relatively wrong in color. At this time, if you can't judge the quality problem, you still believe that you can see it directly. The above will tell you here. If you have product consultation, please leave a message on our website.