• Solid 304 stainless steel construction - Extremely difficult to drill or cut through;
won’t rust or corrode.
• Full-size barrier - Blocks the entire manhole…even if the cover is missing.
• Locks manholes tight - Keeps thieves, saboteurs, vandals, and terrorists above-ground and visible -- and out of your underground systems where they can remain unseen and really do
damage
• Self-lubricating pressure bearing - Easy to open; no lubrication required.
• A single integrated system - Completely self-contained – no parts to secure or assemble.
• Stainless steel pins driven by linear high pressure rods secure the barrier system to
the manhole flange - Installs in any manhole in less than 5
minutes; barrier cannot be forcibly removed.
• Lightweight - Weighs only 35 pounds – can be
transported and installed by a single worker.
• Unlocks only with your coded "T" wrench (key). Optional Pro "T" wrench can be customized with your logo - Prevents unauthorized personnel from
accidentally entering the wrong manhole;
can be opened and entered in seconds for
fast access.
• Fits any size manhole - Available in diameters ranging from less than 32 inches to more than 44 inches…
can be custom made to fit any underground access hole.
• Standard warning plate with optional
identification tag - Deters unauthorized entry to manhole; alerts the proper authorities that you own manhole
and control access.
• Long service life - Stainless steel won’t rust or corrode. Covered by our unconditional 10-year
replacement guarantee.
• Rapid ROI - Pays for itself many times over by preventing service shut-downs and
infrastructure damage.
• U.S. Patent No. 6550294 - Unique technology with unmatched level of access protection.
• Made in the U.S.A. - Prevents tampering by foreign terrorists.
