Neenah’s R-4999 bolted transverse drainage system combines a heavy duty iron frame with Type L vane shaped cast iron grates. The grates’ transverse vane pattern improves overall capacity, providing the best hydraulic performance of any Neenah Foundry frame and grate system.
These heavy duty Type L grates are bolted to the frame, which prevents grate theft and shifting from vehicle traffic. Use the R-4999 Bolted Transverse System on streets, parking lots and other commercial applications.
Type "L" vane shaped grates have the ability to remove significant amounts of sheet flow from streets, parking lots, and industrial lots.
Dimensions in inches