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Trench Grates and Frames
R-4999 Vaned Type L Series
 
 

Vaned Type L Series
 

Bolted Transverse Drainage Structure

Heavy Duty
 

This trench grate series represents our best hydraulic performance.
 
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
       
Catalog No.  A  B  C 
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
*Furnished in 24” sections 
** Furnished in 12” or 24” sections 
*** Furnished in 18” or 36” sections 
 
 
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