April 2013, Vol. 68 No. 4
New Products
Hamilton Kent Lifespan System
The Lifespan System is a watertight, corrosion-proof, non-conductive, locking rubber manhole frame and lid system that prevents rain derived inflow from entering sanitary sewers through the top of the manhole.
The Lifespan System is resistant to freeze-thaw cycles. All components are made from impact-dampening, sound-absorbing, corrosion-proof, ultra high density virgin polymers. The Lifespan System frame and adjustment risers meet the current ASTM material specification for rubber pipe-gaskets and pipe-to-manhole connectors (ASTM C443 and C923). It also meets AASHTO H-25/HS-25 load requirements with either cast iron or composite covers. 800.268.8479, hamiltonkent.com
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