Stainless steel normal pressure square manhole

Stainless steel atmospheric pressure square manhole is a kind of opening device for tanks, containers and other equipment, mainly used for personnel access and inspection and maintenance inside the equipment. This kind of manhole is usually made of stainless steel material, with good corrosion resistance, high strength, long service life and so on. Here is some basic information about stainless steel normal pressure square manholes:       1. ** Material ** : Mainly used 304, 316L and other stainless steel materials, these materials have good corrosion resistance.       2. ** Shape ** : Square design, easy to install and maintain, and can provide a larger opening size, convenient for personnel to enter and exit and equipment handling.       3. ** Pressure grade ** : normal pressure, suitable for containers or tanks under non-high pressure environment.       4. ** Application field ** : Widely used in food processing, pharmaceu…