Sanitary pressure manhole cover Application:Dairy,food,beverage,beer,pharmacy Material:AISI304,AISI316L Used as cap on the Specification:Name: Sanitary pressure manhole cover(sanitary manhole cover , tanker manhole cover)Application : Dairy , food , chemical ,beverage ,pharmaceuticals ,water treatment ,beer etc .Type: Square,circular, elliptical, handhole coverMaterial: AISI304 , AISI316LFineness ...