Bolted Trench for Extra Heavy Duty Applications These trench drains are capable of supporting the heavy wheel loads of today's commercial environments.

For Airports, Ports, and Industrial Sites where it is deemed that traditional angle frames could break loose from concrete due to certain conditions.

Heavy Duty Trench all frames and grates/lids are furnished standard in Gray Iron, Class 35-B for heavy-duty use.

Type M Trench Frame with Solid or Grated Cover Cast iron trench assemblies—light or heavy duty—for use in sidewalks, driveways, garages, loading docks, etc.

Self-Forming Trench Pan.

Type L vane shaped grates have the ability to remove significant amounts of sheet flow from streets, parking lots, and industrial lots.