Those lines which need to be open , are due to the fact that highly heated materials need to pass through , if these lines are covered then pressure can rise in drainage lines leading to an explosion .
Some times gratings are also used to make the drainage main hole cover, these main holes are used to carry out cleaning process of the line during maintenance process .
Steel gratings are used for the purpose due to the fact that they are very durable and strong, these gratings are designed to bear the heavy load and with special coating can survive any chemical reaction too .
I would like to recommend your article on Steel Gratings Making Drainage Coverings Strong . You can also refer Gratings Manufacturers for more information.
ReplyDeleteSteel gratings are used everywhere rather every industry because of its major advantage of providing safety and security to the staff and machines. There are other gratings like fiber glass grating and aluminum grating also available and are done by many companies.
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