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, stainless steel manhole cover, sanitary manhole cover