TDS DG0900 Class F H-20 Slotted Ductile Iron 6″ x 16″ Grate

SKU: DG0900

One-Piece Ductile Iron Grate and Frame offered exclusively by TDS, for Heavy Duty Applications, Load Class F, H-20, with four (4) integral cast lugs for permanent and secure anchoring.


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

Made in America

Your #1 Trench Drain Supply Resource!

Grate Shape


Grate Pattern

Grate Height

3/4 inch



Product Type


Load Class

Load Class F

Grate Load Class

Grate Material



CSI Code 05 53 00, 05 56 00, 22 00 00, 22 14 00, 22 14 26, 22 14 26.19, 33 40 00, 33 44 16, 33 46 13