Solid Rings

Cast Iron Frame & Cover Specifications

SIZE TYPE WALLS HEIGHT
20" I.D. Plastic -- 6", 12"
24" I.D. Plastic -- 6", 12"
32" O.D. Concrete 3.5" 12", 18", 24", 36"
3' O.D. Concrete 3.5" 1', 2', 3', 4'
4' O.D. Concrete 4" 1', 2', 3', 4'
6' O.D. Concrete 4" 1', 2', 3', 4', 5'
8' O.D. Concrete 4" 2', 3', 4'
10' O.D. Concrete 4" 2', 3', 4', 5'
12' O.D. Concrete 4" 2', 3', 4', 5'