Trench Castings: Vaned

Neenah Foundry offers a variety of cast iron vaned L Series trench castings. Select from the list below to find the vaned L Series trench castings that fit your needs.

R-4999 Vaned Type L Series+

R-4999 Vaned Type L Series

Bolted Transverse Drainage Structure

Heavy Duty

This trench grate series represents Neenah's best hydraulic performance.

R-4999 Vaned Type L Series

Catalog Number A B C
* Furnished in 24" Sections
** Furnished in 12" or 24" sections
*** Furnished in 18" or 36" sections
R-4999-L2 *** 12 1-1/2 10
R-4999-L3 * 14 1-1/2 12
R-4999-L6 ** 23-7/8 2 21-7/8
R-4999-L7 * 26-5/8 2 24-5/8
R-4999-L9 *** 29-3/4 2-1/2 26-3/4
  • Type "L" vane shaped grates have the ability to remove significant amounts of sheet flow from streets, parking lots, and industrial lots.
  • For detailed hydraulic information, contact Neenah Product Engineering.

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