Airtight & Watertight Ductile Iron Heavy Duty Recessed Manhole Cover & Frame (Grade D400)

Size : DIMCATRD400-0600, DIMCATRD400-0800 & DIMCATRD400-1000

Norika’s ductile iron airtight manhole cover has a load bearing capacity of up to 400KN and it has been tested by projects and approved by regulatory accredited testing lab. The airtight function prevents medium from entering or escaping, it also prevents internal overflow from inside out.

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