Sanitary pressure manhole cover Application:Dairy,food,beverage Material:AISI304,AISI316L Used as cap ... manhole cover(sanitary manhole cover , tanker manhole cover)Application : Dairy , food , chemical ,beverage ,pharmaceuticals ,water treatment ,beer etc .Type: Square,circular, elliptical, handhole coverMaterial ... .5500.0100.03.0600.0100.04.0 Sanitary pressure manhole cover