A stainless steel manhole is a safety emergency venting device installed on the top of a storage tank. It is typically used in conjunction with fire arresters and mechanical breather valves. Its main purpose is to prevent structural damage to the tank due to overpressure or vacuum, and it also has a flame-arresting function. It is suitable for domed atmospheric pressure tanks sealed with nitrogen. The material is primarily 304 or 316L stainless steel, conforming to industry standards such as HG/T21598-2005, and features excellent pressure-controlled discharge, intake, and sealing performance.
Stainless steel manholes are safety emergency venting devices installed on the top of storage tanks, typically used in conjunction with fire arresters and mechanical breather valves. They prevent damage to the tank and accidents caused by sudden overpressure or vacuum due to unforeseen circumstances, and also serve as a safety flame arrestor. They are a crucial safety device for protecting storage tanks, particularly suitable for domed atmospheric pressure tanks sealed with nitrogen.
Stainless steel manholes are generally made from 304 or 316L steel plates.
Manholes are classified into emergency pressure relief manholes, explosion-proof flame arrestor breathing manholes, tank top manholes, tank wall manholes, and manholes with cores, etc.
