TO ORDER ALL OTHERS, SIMPLY SUPPLY THE FOLLOWING INFORMATION AND SPECIFY THE TYPE
ADJUSTING RING NEEDED.
USF NO. COVER DIAMETER COVER THICKNESS HEIGHT ADJUSTMENT FITS WITH
USF RING NO.
2330 22
w
2 2
d
240, 310, 355,
420, 465, 485
2332 31
b
1
e
2 651, 652
2333 31
b
1
e
3 651, 652
2334 23
1
1 1
1
571, 664, 668, 669
2335 23
1
1 2 571, 664, 668, 669
2336 23
w
1
2
2 170, 195, 360,
385, 630
2337 23
2
1 1
1
361
2339 22
w
2 2
2
240, 310, 355,
420, 465, 485
2340 23
w
1
2
1
w
170, 195, 360,
385, 630
2341 25
w
1 2 152, 153
2342 25
e
1
1
2 480
2343 25
w
1 1
1
152, 153
2344 22
w
2 4 240, 310, 355,
420, 465, 485
2347 23
1
2 1
2
715
* 1"
ADJRING-32 22
w
2 1 240, 310, 355,
420, 465, 485
* 1"
ADJRING-33A 23
w
1
2
1 170, 195, 360,
385, 630
STANDARD ADJUSTING RINGS
*
TYPE ‘A’ STEEL ADJUSTING RING
NOTE: FOR USF CASTING, SIMPLY GIVE THE USF RING NUMBER AND/OR USF COVER LETTER
DESIGNATION AND DIMENSIONS A, B AND D.
Dimension A: Diameter of manhole cover at the top edge
Dimension B: Thickness of cover at the outside edge
Dimension C: Inside diameter of the manhole ring at the top of the ring
Dimension D: The amount of increased adjustment height needed for resurfacing
Dimension E: Cover taper as measured in Figure 1
Dimension F: Ring taper as measured in Figure 2
USF MANHOLE ADJUSTING RINGS
U.S. FOUNDRY & MANUFACTURING CORPORATION
MANHOLE RINGS & COVERS
M-6