manhole cover1,material :stainless steel 2.polished inside outside3.use on pressure or no pressure tank
Application :dairy , food , chemical ,beverage ,pharmaceuticals ,water treatment ,beer etc .
It is used as cap on the top of the vessel ,tank etc.
Type: square,circular, elliptical, handhole cover
Material :AISI304 , AISI316L
Fineness: inner and outer fineness of mirror Ra≤0.8μm,inner and outer mechanical polish and electrical polish Ra 0.2μm,external surface can be gross polished or sub-gross polished.