U.S. FOUNDRY & MANUFACTURING CORPORATION
CAST IRON
CI-12
USF GRATES 6213 THROUGH 6279
USF 6280 DITCH BOTTOM INLET GRATE SET
*
CONCAVE GRATE
LOAD RATING**
*6213 52 27
w
35
w
2 1
f
X 11
t
425
M L H
6214 52-
R 14 24 2 1 X 5
2
115
H (-) (-)
6215 52 28 31 2
2
1
1
X 11 360 M (-) H
6217 54-
R 27
c
27
c
1
1
1
2
X 5
2
260
L (-) M
*6218 54-
R 24 36 2 1
e
X 4
d
380
L (-) H
6220 52 18 28 2
f
1
1
X 7
3
210
H L H
* 6224 52 18 28 2
f
1
5
X 7
d
225
H (-) H
6225 54-
R 18 28 2
f
1
v
X 3
2
185
H L H
6226 52 19 24 1
1
1
e
X 7
r
180
H (-) H
6227 52 20 24 2
2
1
f
X 7
w
160
H (-) H
6228 51 23
c
21
1
2
1
1
2
X 21
e
240 (-)
H H
6230 52 24 24 1
1
1
2
X 9
b
245
M (-) H
6232 52 14
e
14
e
1
b
X 6
4
90
L (-) L
6235 54-
R 24 24 1
1
1
2
X 4
1
225
H (-) H
6237 52 23
w
35
w
1
w
1
1
X 9
c
445
L L H
* 6238 52 23
w
35
w
1
w
1
1
X 9
c
445
L L H
6240 52 24 35 1
w
2
X 9
w
390
H L H
6241 54 37
w
37
w
1
1
1
e
X 8
3
715
H (-) H
6242 52 24 35 3 2
X 9
w
390
H H H
6245 52 29
w
29
w
1
1
1
r
X 12
c
375
L (-) H
6246 54-
R 29
w
29
w
1
1
1
3
X 6 320 L (-) H
GRATE GRATE WIDTH LENGTH SEAT SLOT SIZE FLOW
NO. STYLE “A” “B” HEIGHT AREA
2-
Sided
SHORT
SPAN
2-
Sided
LONG
SPAN
4-
Sided
BEARING
LOAD RATING**
6247 54-
R 35
d
35
d
1
1
1
d
X 6
1
545
L (-) M
6248 52 29
w
29
w
1
1
1
3
X 12
c
345
H (-) H
6249 54-
R 24 24 2 1
1
X 4
1
240
L (-) H
6250 52 27 24 2
3
1
v
X 10
c
220 (-)
H H
6255 52 29
1
24 2
3
1
w
X 10
w
265 (-)
M H
6256 53 33 24 1
1
1
1
X 9
2
370 (-)
M (-)
6257 52 29 23
w
2
w
1
1
X VAR. 205 H (-) (-)
6259 53 23
w
23
w
1
1
1
f
X 6
w
290
H (-) H
6260 53 36 22 2
2
1
3
X 9
d
285
M H H
6265 52 24 12 1
w
1
X 10
1
125 (-)
L L
6266 51-
R 8 24 1
1
3/8
X 5
1
30
H (-) H
6267 52-
R 10 24 1
1
3/8
X 3 35 H (-) (-)
6268 52-
R 12 24 1
1
3/8
X 4
3
150
H (-) (-)
6269 52-
R 14 24 1
1
3/8
X 5
3
60
H (-) (-)
6270 52 27 24 5
1
1
1
X 10
1
250 (-)
H (-)
6271 54-
R 22 22 1
1
1
2
X 4 180 H (-) H
6275 52 27 33 4
1
1
1
X 10
1
345
H (-) (-)
6277 53 29 32 1
1
1
v
X 8
5
510
L L L
6278 53 28 28 2
2
1
3
X 7 295 H (-) H
6279 55-
R 13
1
13
1
1
1
1
1
X 1
1
55
H (-) H
GRATE GRATE WIDTH LENGTH SEAT SLOT SIZE FLOW
NO. STYLE “A” “B” HEIGHT AREA
2-
Sided
SHORT
SPAN
2-
Sided
LONG
SPAN
4-
Sided
BEARING
TYPE “D” 1 1/2 STANDARD
CITY OF TAMPA, FLORIDA
27 7/8
5 3/16
1 1/2
25 3/4
25 3/4
1 5/8
2-
SIDED 2-SIDED
SHORT LONG
SPAN SPAN
L - H 595
4-
SIDED
BEARING
FLOW
AREA
LOAD RATING*
1.
Specify steel frame, if required.
2.
Restricted grate opening.
3.
To order one piece of this grate set, specify USF 6281.
USF 6212 DITCH BOTTOM INLET GRATE
TYPE “C” OVERSIZED GRATE
28
5 1/4
2
36 1/2
1 11/16
1.
Specify steel frame, if required.
2.
Restricted grate opening.
3.
Grate reduces gap between grate and inlet opening on F.D.O.T type “C” concrete box structure.
4.
Also available in steel, USF 6611.
2-
SIDED 2-SIDED
SHORT LONG
SPAN SPAN
H L H 420
4-
SIDED
BEARING
FLOW
AREA
LOAD RATING*