AISI304/316L round sight glass manhole
The manway is a ideal way to check or clean tank inside, also can be used as feed port. There are round, Rectangular, Elliptical, and shadowless type of non pressure pressure type, customized is available. Tank pressure manways are available in stainless steel SS304 or SS316 (some are special order). Depending on the size of your tank, your tank manway will be either top or side mounted.
Manhole cover( with pressure) is main ly used for pressure vessel in the feilds of food, beverage, chemical,etc.