U.S. FOUNDRY & MANUFACTURING CORPORATION
MANHOLE RINGS & COVERS
M-56
USF LARGE MANHOLE RINGS AND DOUBLE COVERS
CATALOG LOAD RING
NUMBER RATING TYPE
A B C D E F G H
663-
AB-M 32
3
1
1
30
2
36
2
46 7 22
2
1
1
HEAVY DUTY A
663-
AB-MB 32
3
1
1
30
2
36
2
46 7 22
2
1
1
HEAVY DUTY A
230-
AB-M 32
3
1
1
30
2
34 41
1
7 22
2
1
1
HEAVY DUTY A
655-
CW-M 34
3
1
1
32 32 40
1
4 22
2
1
1
HEAVY DUTY B
665-
CW-M 34
3
1
1
32
1
32
1
38
sq. 4 22
2
1
1
HEAVY DUTY B
667
CR Series 35
w
1
2
34
1
36 42 6 23
w
1
2
HEAVY DUTY A
671-
AF-M 37 1
e
35 35 44 4 22
2
1
1
HEAVY DUTY C
672-
AF-M 37 1
e
35 35 45
sq 5 22
2
1
1
HEAVY DUTY B
679-
BK-M 38 1
1
36 40 49 10 22
2
1
1
HEAVY DUTY A
695-
CP-TA 43
w
1
w
42 46 56 10 31
w
1
1
HEAVY DUTY A
691-
AG-M 50
c
2 48 51 56
2
5
3
22
2
1
1
HEAVY DUTY A
*691-
AH-M 50
c
2 48 51 56
2
5
3
22
2
1
1
HEAVY DUTY A
690-
AG-M 50
c
2 48 52 62 10 22
2
1
1
HEAVY DUTY A
*690-
AH-M 50
c
2 48 52 62 10 22
2
1
1
HEAVY DUTY A
*
ACCESS LID IS LOCATED 6" OFF CENTER. SEE DRAWING ABOVE.
LISTED IN ORDER OF SMALLEST CLEAR OPENING (COLUMN "C"), HEIGHT (COLUMN "F") AND TOTAL WEIGHT.
Specify lettering, if required.
USF 690-AG-M SHOWN
D
H
E
G
F
A
B
C
6
B
A
G
H
1.
Specify lettering, if required.
2.
Reversible ring, Built Up Type USF 105.
3.
Available with bolts, camlocks, ORS, BWT.
USF 1111 SLAB TYPE RING
AND COVER SERIES
USF 1110 SLAB TYPE RING
AND COVER SERIES
Available with grate USF 3600
1.
Specify lettering, if required.
2.
Available with bolts, camlocks, ORS, BWT.
20 1/2
22 1/2
26 1/2
6
1 1/2
22 1/4
4
20 1/2
1 1/2
26 1/2
22 1/2
22 1/4
USF 1110-P SHOWN
COVER LOAD
TYPE RATING
M HEAVY DUTY
N HEAVY DUTY
P HEAVY DUTY
EF HEAVY DUTY
EN LIGHT DUTY
MG HEAVY DUTY
MK HEAVY DUTY
NG HEAVY DUTY
Available with grate USF 3663
USF 1111-P SHOWN
COVER LOAD
TYPE RATING
M HEAVY DUTY
N HEAVY DUTY
P HEAVY DUTY