This heavy-duty slotted ductile iron grate can replace old POLYCAST® grates as a safe and secure option. The 900 Series One-piece (Non-Removable) Frame and Grate is used with the POLYCAST®600 channel and features four (4) integral cast lugs every 16 inches to permanently and securely anchor it to the surrounding concrete. The 9/16 inch diameter integral lugs help the grate to withstand high-speed highway traffic and snowplow blades, preventing channels from shifting after installation and distribute heavy loads into the surrounding concrete.
Meets Load Class F, H-20 Loading Requirements for Extra Heavy Loads
Measures 5.7 in x 16 in (nominal)
Slot Size: 1.63 in x 4.72 in, 60% Open Area
These grates are perfect for any high-traffic, heavy load applications such as:
TDS Slotted Ductile Iron Grate – Class F 
