Drainage Grates : Pipe Grates & Lids

Neenah Foundry produces a series of heavy-duty and light-duty pipe grates and lids. These durable, gray, cast-iron grates and lids are designed to work with concrete pipe and withstand the toughest jobsite.

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Catalog Number Pipe Size Grate Diameter Grate Thickness Grate Type Load Designation Round Feet Open Weir Perimeter Lineal Feet
R-4388-A N/A 18 1/4 N/A Light Duty N/A N/A
R-4388-B N/A 18 1/2 N/A Light Duty N/A N/A
R-4388-C N/A 18 1/4 N/A Light Duty N/A N/A
R-4388-E N/A 18 1/2 N/A Light Duty N/A N/A
R-4373-3 3 3-3/4 2-1/2 N/A Heavy Duty N/A N/A
R-4373-4 4 4-3/4 2-7/8 N/A Heavy Duty N/A N/A
R-4373-6 6 6-3/4 3 N/A Heavy Duty N/A N/A
R-4373-8 8 9 3-1/2 N/A Heavy Duty N/A N/A
R-4373-10 10 11 3-1/2 N/A Heavy Duty N/A N/A
R-4373-12 12 13-1/8 4-1/4 N/A Heavy Duty N/A N/A
R-4373-15 15 16 4-1/4 N/A Heavy Duty N/A N/A
R-4055-12 12 14-3/4 2-1/2 N/A Light Duty N/A N/A
R-4055-15 15 18-1/4 2-3/4 N/A Light Duty N/A N/A
R-4055-18 18 22 2-3/4 N/A Light Duty N/A N/A
R-4055-21 21 25-1/2 3 N/A Light Duty N/A N/A
R-4055-24 24 29 3-1/4 N/A Light Duty N/A N/A
R-4055-27 32-3/4 3-1/2
R-4055-30 30 36 3-3/4 N/A Light Duty N/A N/A
R-4373-2 * 2 2-5/8 2-1/2 N/A Heavy Duty N/A N/A
R-4044-E 12 17-1/4 5/8 N/A Light Duty N/A N/A
R-4044-F 15 21-1/4 5/8 N/A Light Duty N/A N/A
R-4044-G 18 25-1/2 5/8 N/A Light Duty N/A N/A
R-4044-J 21 29-1/2 3/4 N/A Light Duty N/A N/A
R-4044-K 24 33-1/4 3/4 N/A Light Duty N/A N/A
R-4055-4 4 5-3/4 1-1/2 N/A Light Duty N/A N/A
R-4055-6 6 8 2 N/A Light Duty N/A N/A
R-4055-8 8 10-3/8 2-1/4 N/A Light Duty N/A N/A
R-4055-10 10 12-5/8 2-1/2 N/A Light Duty N/A N/A
R-4044-A 4 7-1/8 1/2 N/A Light Duty N/A N/A
R-4044-B 6 9-1/2 1/2 N/A Light Duty N/A N/A
R-4044-D 10 14-3/4 1/2 N/A Light Duty N/A N/A
R-4040-12 12 14-3/4 2-1/2 E Light Duty 0.5 3.9
R-4040-10 10 12-5/8 2-1/2 E Light Duty 0.3 3.3
R-4040-12 E 0.5 3.9
R-4040-15 15 18-1/4 2-3/4 E Light Duty 0.7 4.8
R-4040-18 18 22 2-3/4 E Light Duty 0.9 5.8
R-4040-21 21 25-1/2 3 G Light Duty 1.4 6.7
R-4040-24 24 29 3-1/4 G Light Duty 1.6 7.6
R-4040-27 27 32-3/4 3-1/2 G Light Duty 2.3 8.6
R-4040-30 30 36 3-3/4 G Light Duty 2.9 9.4
R-4030-15 15 18-1/4 2-3/4 H Heavy Duty 0.8 4.8
R-4030-18 18 22 2-3/4 B Heavy Duty 1.1 5.8
R-4030-21 21 25-1/2 3 B Heavy Duty 1.3 6.7
R-4030-24 24 29 3-1/4 B Heavy Duty 2.1 7.6
R-4030-27 27 32-3/4 3-1/2 G Heavy Duty 2.8 8.6
R-4030-30 30 36 3-3/4 G Heavy Duty 3.4 9.4
R-4040-6 6 8 2 E Light Duty 0.1 2.1
R-4040-8 8 10-3/8 2-1/4 E Light Duty 0.2 2.7
R-4030-4 4 5-3/4 H Heavy Duty 0.1 1.5
R-4030-6 6 8 2 H H 0.1 2.1
R-4030-8 8 10-3/8 2-1/4 H Heavy Duty 0.2 2.7
R-4030-10 10 12-5/8 2-1/2 H Heavy Duty 0.3 3.3
R-4030-12 12 14-3/4 2-1/12 H Heavy Duty 0.4 3.9
All dimensions are listed in inches unless otherwise noted.
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