Stainless steel square manhole

Stainless steel square manhole Stainless steel square manholes are used for inspection and maintenance entrances on various tanks, containers or piping systems. It is usually made of high-quality stainless steel material with good corrosion resistance, high temperature resistance and mechanical strength. This kind of manhole is suitable for food processing, pharmaceutical, chemical, water treatment and other industries with high requirements for health conditions.       The main features of stainless steel square manholes include:       1. ** Material ** : Mainly use 304 or 316 stainless steel, both of which have good corrosion resistance.   2. ** Shape ** : Compared with the round manhole, the square design can provide a larger opening area, which is easy to enter and exit large tools or equipment.   3. ** Sealing ** : The use of high-quality sealing rings to ensure that good sealing effect can be maintained under various working conditions. &n…