Although on the ground, every day is stepped on, but the ductile iron covers need to be cleaned! So where do you need to clean, how to clean it? Let's take a look!

1, ductile castings surface dust

Steel castings are often made on dusty grounds, often with a lot of dust in the air, which are constantly falling on the surface of the equipment. They can be removed with water or alkaline solutions. However, grime with adhesion needs high pressure water or steam Clean up.

2, ductile iron surface float iron or embedded iron

On any surface, free iron rusts and corrodes the stainless steel and therefore must be removed. The floating dust is generally removed with the dust. Some are very strong and must be handled with embedded iron.

3, ductile castings scratches

Scratches and other rough surfaces must be mechanically cleaned in order to prevent the accumulation of process lubricants or products and / or contaminants.

4, ductile castings rust

Rust is sometimes seen on stainless steel products or equipment before or during manufacture, which means that the surface is heavily contaminated and that the rust must be removed before the equipment is put into service. The thoroughly cleaned surfaces should be iron tested and / or water tested test.

The above is about the ductile iron manhole cover cleaning, not only need to clean the dust, and manhole rust, scratches, etc. need to be processed.