PARSON
STAINLESS STEEL
MANHOLE INSERT

The most reliable, durable, cost-effective manhole insert available
when added durability may be necessary

MATERIALS and DESIGN

STAINLESS STEEL MANHOLE INSERT

ADVANTAGES:

Dramatically reduces sewage treatment costs
Requires no maintenance
Easy installation and removal
Control sewer odors
Keeps grit, sand, salt, chemical spills, foreign objects, road oils, etc. from entering the Collection System

GASKET

The gasket is manufactured from a closed cell neoprene material and is attached by a pressure sensitive adhesive, to the weight-bearing surface of the dish.

REMOVAL

The PARSON STAINLESS STEEL MANHOLE INSERT shall have a corrosion resistant polypropylene strap installed for easy removal and re-installation into the manhole frame.
One corrosion resistant Stainless Steel U-Bolt or one Plastic Coated Stainless Steel handle popriveted to the insert with a #6 high grade Stainless Steel rivet are also available.

VENTING

The ventilation system utilizes one valve manufactured of a Polypropylene Ethylene compound. The valve material shall be unaffected by temperature within a range of -70°F to 350°F. The valve body and components shall be corrosion and wear resistant and be designed to release gas pressure at a minimum of 1 psi, and have a water leak-down rate no greater than 5 gallons per 24 hours.

INSTALLATION of PARSON STAINLESS STEEL MANHOLE INSERT:

No special tools are required.
The manhole frame rim shall be cleaned of all dirt and debris before placing the manhole insert upon the rim.
The manhole insert shall be fully seated around the manhole frame rim.
The manhole cover is replaced as before, and the installation is complete.

MEASURING INSTRUCTIONS

MEASUREMENTS NEEDED FOR PROPER INSTALLATION OF
PARSON STAINLESS STEEL MANHOLE INSERTS
(Please enclose a copy of this drawing with your order)

PARSONSTAINLESS STEELMANHOLE INSERT