How SELF-SEALING lids prevent surface water inflow
You may be getting as much as 45 gallons of
inflow per minute through some of your manhole covers. Now you can stop
unwanted inflow with SELF-SEALING lids. At the heart of our SELF-SEALING
system is a gasket which fits firmly and securely within the casting’s
precisely machined groove. The gasket material is of special composition
with good sealing qualities, abrasion resistance and low compression set.
