The slip-type design protects the service from downward pressure. The box absorbs the pressure from above.
Meets DOT requirement 192.181; "If the valve is installed in a buried box, the box must be installed so as to avoid transmitting external loads to the main."
Valve Box sits on dirt, not the valve.
Easily adjusts to grade level. No need to dig when grade changes. Just push down or pry up.
A full throat/unobstructed upper tube, allows more room to operate the key.
Made from SUPERIOR GRADE ABS plastic. It's long lasting and won't rust, rot or corrode.
The boxes have a 4" or 6" upper tube 'C' or 'T' Model bell area.
See "How to Order Bell Plate Valve Boxes" for a list of valves that these valve boxes will fit.
1½" cast iron flange is STANDARD for off-road installations.
5" cast iron heavy duty flange is standard for in-road installations.
Choose from locking or non-locking lids marked GAS, WATER or SEWER.
Lids are available with or without vent holes.
Extensions are available.
Customized lids are available for an additional charge.
Light weight and easy to handle.
1½" stackable risers, that utilize the same lid, are available when the road is repaved.