U.S. FOUNDRY & MANUFACTURING CORPORATION
CATCH BASINS
CB-27
GRATE LOAD FLOW
NUMBER RATING AREA
6228
HEAVY DUTY 240
GRATE LOAD FLOW
NUMBER RATING AREA
6229
HEAVY DUTY 480
GRATE LOAD FLOW
NUMBER RATING AREA
6231
HEAVY DUTY 720
1.
Restricted grate openings.
2.
ADA compliant, when installed
properly.
USF 4123 FRAME AND 6179 GRATE
26
29 1/4
24
5 1/4
26
29 1/4
24
1 5/8
1
1/2
USF 4127 FRAME AND 6228 GRATE
21 1/2
1 1/4 2 1/2
5
19 3/4
29 3/4
23 7/8
21 3/8
22
32
14 - 1"
DIA. ANCHOR HOLES
1.
To order one piece of frame specify
USF 4126.
2.
To order one piece of grate specify
USF 6228.
USF 4128 FRAME AND 6229 GRATE
21 1/2
1 1/4
1 1/4
2 1/2
5
19 3/4
45 3/4
53 3/4
23 7/8
21 3/8
22
32
18 - 1"
DIA. ANCHOR HOLES
21 1/2
1.
To order one piece of center frame, specify USF 4131.
2.
To order one piece of end frame
specify USF 4126.
3.
To order one piece of grate specify
USF 6228.
USF 4129 FRAME AND 6231 GRATE
21 1/2
21 1/2
21 1/2
1 1/4
1 1/4
1 1/4 2 1/2
67 3/4
77 3/4
19 3/4
23 7/8
21 3/8
22
32
5
22 - 1”
DIA. ANCHOR HOLES
GRATE LOAD FLOW
NUMBER RATING AREA
6179
LIGHT DUTY 220