HDPE Manhole

Available 3″ & 4″
Economical – yet durable, this manhole features a Heavy-duty cast iron (ASTM A-48 Class 30 or better) upper assembly. Certified by an independent laboratory to meet H-20 roadway loading.

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Lightweight, durable, corrosion and hydrocarbon-resistant High Density Polyethylen (HDPE) plastic shirt, painted lid with monitor well triangle. Buna-NO rubber gasket set into collar insures water-tight seal with pressure fit. High quality stainless steel bolts set into gasketed washers maintain water-tight seal. Foundry insert provides option for custom lettering.

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