PACIFIC MARINE & INDUSTRIAL ®      
 
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Drainage Grates
R-4375 Series
 

Perforated Lids for Drain or Vent

 

Light Duty

 

Holes standard as shown; variations as specified.

Since bell and spigot pipe are made under many specifications, dimensions will vary.

Check the cover sizes in the table to be sure they will fit the pipe you are using.

 
Dimensions in Inches  
Catalog  Number  Dia.  To Fit Over 
No.  Diameter  Thickness  of Holes  Holes  Pipe Bell 
R-4375-A  7 1/8  1/ 2 12  3 / 4 4
R-4375-B  9 1/2  1/ 2 12  3 / 4 6
R-4375-F  21 1/4  7 / 8 24  3 / 4 15
R-4375-G  25 1/2  7 / 8 24  3 / 4 18
R-4375-K  33 1/2  3 / 4 36 1 24
 
Free Open Area Tables
To Calculate Drainage Water Flow
Listed by Product Number

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