U.S. FOUNDRY & MANUFACTURING CORPORATION
MANHOLE RINGS & COVERS
M-29
1.
Specify lettering, if required.
USF 275 casting features include:
•
Cover-to-swivel function-utilizes a safety stop when fully rotated open.
•
No heavy lifting required-casting swings open with minimal effort and requires no tools.
•
Safe & Secure- raised skirt on underside of cover protects against accidental closure; casting
furnished with bolt tabs and a stable tab for optional padlock; Cover remains attached to frame.
•
Water resident-cover overlaps frame, creating a water resistant installation. Bolt option allows
for a watertight covering; optional casting features include wiper gasket installation to virtually
eliminate surface water infiltration.
•
Sized to fit- most elevated structures with 24” nominal clear opening.
1.
Specify lettering, if required.
2.
Available with bolts, camlocks, ORS, BWT.
USF 310 RING AND COVER SERIES
USF 275 SWIVEL RING AND RO COVER
USF 285 RING AND COVER SERIES
Available with grate USF 3150
USF 310-A SHOWN
2-1”
DIA. ANCHOR HOLES
36 1/2
20 3/4
1
2 1/4
2
22 3/4
2-1”
DIA. ANCHOR HOLES
37
20 3/4
1
23 1/2
2
22 3/4
8
USF 285-A SHOWN
STANDARD SHALLOW
TYPE C MANHOLE
2 3/4
5/8
24
31
25 5/8
COVER LOAD
TYPE RATING
RO LIGHT DUTY
1.
Specify lettering, if required.
2.
Available with bolts, ORS, BWT.
COVER LOADL
TYPE RATING
A HEAVY DUTY
B HEAVY DUTY
C HEAVY DUTY
D HEAVY DUTY
G HEAVY DUTY
S HEAVY DUTY
EP HEAVY DUTY
EX HEAVY DUTY
Available with grate USF 3165
COVER LOAD
TYPE RATING
A HEAVY DUTY
B HEAVY DUTY
C HEAVY DUTY
D HEAVY DUTY
G HEAVY DUTY
S HEAVY DUTY