1,High quality
2,Competitive price
3,Apperance is polished
4,manhole with pressure and without pressure

manhole cover with pressure

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

manhole cover with pressure,stainless steel manhole cover,sanitary manhole cover