1, Type: Circular, square, elliptic

Manhole covers, sanitary manhole cover, sanitary grade manhole cover

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

Manhole covers, sanitary manhole cover, sanitary grade manhole cover