Non-Pressure Manholes
Knappco manholes are designed and
manufactured for a diverse range of industries and
applications. You'll find Knappco brand manholes on
rail cars, in storage silos and tanks or as part of
industrial conveyance systems. We offer many different
pressure and non-pressure configurations – steel,
stainless steel, aluminum, with a variety of gasket
materials – designed
to meet a majority of needs. Manholes can even be custom
engineered to meet your precise specifications.
