... cover, tank manway) Used for food, beverage, beer, pharmacy, dairy and chemical industry. manhole cover(sanitary manhole cover, tank manway)Dimensions ... industryThis cover is fixed on tank side, for people come in and out.Suitable for larger stainless steel tanksandvessels,which require ... lower bracket.YAC:flat manhole over,,higher bracket,suitable for big vessels with lagging material.YAC-P:can ...