In fact, what we call a stainless steel invisible manhole cover , he is not a completely invisible manhole cover . When installing this type of stainless steel manhole cover , the manhole cover is buried in the ground first, and then a stainless steel plate is welded around the manhole cover. From the above appearance, since the manhole cover is buried underground, it is not much different from the surrounding environment. No difference can be seen in the distance. A close look can reveal the difference between the manhole cover and the surrounding area, so it is called invisible.
Where can stainless steel invisible manhole covers be used? Stainless steel invisible manhole covers are commonly used in inspection wells and outfalls. As we all know, every city has underground drainage pipes. Every so often, there is some damage in the sewer. In order to improve the safety of the nozzle, safety measures must be installed on the nozzle. And this safety measure is well-deserved to the stainless steel manhole cover. Traditional manhole covers are cast-iron materials, and their appearance is not beautiful. Therefore, some large cities will use this stainless steel invisible manhole cover. It not only has the advantage of invisibility, but also has the characteristics of anti-theft. At the same time, it also has the advantage of rust prevention. Because the removal of this manhole cover is very convenient, it is very beneficial to the daily maintenance of the staff.
In addition to using stainless steel manhole covers in the above scenarios, it should also be used in some power supply areas. One of the simple examples is that every city has underground wiring equipment. However, these wiring devices require a safe environment. Therefore, the underground line equipment will have some pipes. However, there are also faulty line equipment, so there should be an entry and exit for maintenance of underground line equipment. In this case, use a stainless steel manhole cover. Because there are many underground line layout equipment, the invisible manhole cover not only plays a role of beautification, but also facilitates the staff to open and maintain.
In addition to underground sewage outlets and power supply areas, stainless steel concealed manhole covers can also be used in traffic lights, rain, gas and other occasions. With the aesthetic requirements of urban construction, more and more cities have changed some traditional manhole covers to stainless steel invisible manhole covers.