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 turntable with the opening angle stop device, it can effectively prevent the crash 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.
StructureWith cylinder buckle structure, it's easy to open and close double flange surface sealing, sealing gasket placed in the bottom cover, with more reliable tightness.
