Funion&Feature
Surface TreatmentStainless Steel's surface is treated by mirror polishing to make it more pleasing and longer performing.
With Lead sealingWith Lead Sealing board, it can be sealed directly.
Opening AngleThe turh-hinge with the opening angle stop device, it can effectively prevent the crash which between the stainless steel manhole cover and tanker when the cover is opening.
Type DiversificationThe nominal diameter, material and height can be ordered by user's demand.
Structure FeaturesDouble covers, the top and bottom cover can be opened as requested.When loading the medium open the top cover when getting in or out for repairing the tank,open the bottom cover, make it easy to operate.
