sanitary Circular type manhole cover(stainless steel manhole,man way)

1,Type:Circular,square,elliptic   

2,With pressure or without pressure    

3,Material quality:AISI304,AISI316L

Fineness:Inner surface mechanical polish Ra<0.4-0.8um

              Our surface gloss polished or dull polished Ra<0.8um

Applications: wine, beer, dairy food,pharmacy industries and so on

stainless steel circular type manhole cover,stainless steel manhole cover,manhole,manhole cover