U.S. FOUNDRY & MANUFACTURING CORPORATION
CAST IRON
CI-2
USF ROUND GRATES SUMMARY
THIS ROUND GRATE SUMMARY IS LISTED IN ORDER OF SMALLEST DIAMETER AND SEAT HEIGHT.
GRATE GRATE DIAMETER SEAT FLOW LOAD
NUMBER STYLE HEIGHT AREA RATING
5626 5-
R 10
2
1
1
25
H
5600 1 13 1
w
40
M
5629 6-
R 13
2
1
1
42
H
5605 1 14
w
2
1
45
L
5690 7 14
w
2
1
52 (-)
5613 6-
R 16
2
1
1
52
H
5680 3 16
2
1
1
90
H
5627 5-
R 16
2
1
1
105
H
5670 3-
R 18 N.A. 50 L
5610 1 18 2
1
55
L
5612 1 18
1
3
w
55
L
5601 3 18
c
3
w
70
H
5615 1 20 2
1
105
L
5620 1 21 2
1
110
L
5630 3 22
2
1
1
150
H
5628 6-
R 22
2
1
1
125
H
5608 3 22
2
3
w
140
H
5602 3 22
2
3
w
110
H
5640 4-
R 22
w
2 180
H
5685 3 23
2
1 155
H
5682 3 23
1
1 155
H
5650 3 23
w
1 130
M
5645 2-
R 23
w
1
2
100
H
5625 1 24
1
2
1
180
H
5609 4-
R 25
1
1
1
199
H
5635 3 25
w
2 205
H
5655 3 26
w
2
1
180
H
5603 5-
R 29
2
3
w
185
H
5668 1 31 3 272
H
5616 5 32
2
1
1
225
H
5660 5-
R 32
2
1
1
360
H
5671 3 32
e
N.A. 195 L
5665 5 34
3
1
1
350
M
5666 6-
R 34
3
1
1
315
H
5681 5 37 1
e
465
H