Neenah Foundry

This is a heavy-duty frame and grate system furnished in gray iron. It meets ASTM-A48 Class 35-B requirements. It provides superior durability. Neenah recommends project designers avoid the use of light-duty trench installations because it is likely that applications will be subjected to heavy delivery traffic at some time.

This Neenah product is a self-forming trench pan with the durability and performance of cast iron. The assembly materials for this series are reusable. Installation is quick and inexpensive.

This is a heavy-duty frame and grate system furnished in gray iron. It meets ASTM-A48 Class 35-B requirements. It provides superior durability. Type A grates have slots that are perpendicular to the trench run. Neenah recommends project designers avoid the use of light-duty trench installations because it is likely that applications will be subjected to heavy delivery traffic at some time.

This model offers 350 sq in of masonry contact surface per foot with 65 sq in of masonry bearing surface per foot. A unique frame shape is wider than usual. There are bolt holes drilled clear through the cantilever seat that prevents debris from being trapped. It allows for successive frame sections to be bolted together. Allows for reinforcing bars to be used. The frame is integrated within the concrete slab and is available with a LiftMate ball and socket connector.

The Neenah R-4993 offers 254 sq in of masonry contact surface per foot and 150 sq in of masonry bearing surface per foot. The frame top section provides a transition platform on and off of the grating surface. It also allows for bolting successive frame sections together and provides an opportunity for reinforcing bars. Bolt holes are drilled clear through the cantilever seat and will not trap debris.

This Neenah product is a bolted transverse drainage structure. This trench grate series represents Neenah’s best hydraulic performance.