Allows you to fit large diameter pipe into the smallest possible manhole structures
Seal design & function
The patented 4” wide Stainless Steel Korband is able to overcome the curvature of smaller sized manholes and provide a watertight seal.
Features
Can be used in cored or formed holes
-
Meets the specifications of ASTM C923
-
Easy to install
100 % Performance
Covered under U.S. Patent No. 6,641,176
100 % leak-free
Sizing Chart
| P/N |
Suggested Pipe O.D Range |
Hole Size Range |
Connector Dimensions |
Pipe Clamp |
Min. Manhole Size |
||||
| A | B | C | D | Qty | P/N | ||||
| S306-22 S306-22L |
17.625-18.500 |
21.98-22.13 | 19.875 | 19 | 10.5 | 2 | l-318 | 36/4 | |
| 18.500-19.625 | 20 | 2 | |||||||
| S306-24 S306-24L |
19.625-20.500 |
23.98-24.13 | 21.875 | 21 | 10.5 |
4 | l-180 |
36/4 |
|
| 20.500-21.625 |
22 | 4 | |||||||
| S306-26 S306-26L |
21.625-22.500 |
26.00-26.20 | 23.875 | 23 | 10.5 |
4 | l-190 |
36/4 |
|
| 22.500-23.625 | 24 | 4 |
l-218 |
||||||
| S306-28 S306-28L |
23.625-24.500 |
26.00-26.20 |
25.875 | 25 | 10.5 |
4 |
l-218 |
48/5 | |
| 24.500-25.625 |
26 | 4 |
|||||||
| S306-30 S306-30L |
25.625-26.500 |
30.00-30.20 | 27.875 | 27 | 10.5 |
4 |
l-218 |
48/5 |
|
| 26.500-27.625 | 28 | 4 |
l-242 |
||||||
| S306-30L-32 |
26.500-27.625 |
32.00-32.20 |
29.875 | 28 | 10.5 |
4 |
l-212 |
48/5 |
|
| S306-32 S306-32L |
27.625-28.500 |
32.00-32.20 |
28.875 |
29 | 10.5 |
4 |
l-242 |
48/5 |
|
| 28.500-29.625 | 30 | 4 |
|||||||
| S306-34 S306-34L |
29.625-30.500 |
34.00-34.20 |
31.875 |
31 | 10.5 |
4 |
l-258 |
48/5 |
|
| 30.500-31.625 | 32 | 4 |
|||||||
| S306-36 S306-36L |
31.625-32.500 |
36.00-36.20 |
33.250 | 33 | 10.5 |
4 |
80667 Power Gear |
60/6 | |
| 32.500-33.000 |
34 | 4 |
|||||||
| S306-36-STORM S306-36L-STORM |
31.625-32.500 |
36.00-36.20 |
33.875 | 33 | 10.5 |
4 |
l-282 | 60/6 |
|
| 32.500-33.625 |
34 | 4 |
|||||||
| S306-38 S306-38L |
33.625-34.500 |
38.00-38.20 |
35.250 | 35 | 10.5 |
4 |
80667 Power Gear |
60/6 |
|
| 34.500-35.000 | 36 | 4 |
|||||||
| S306-38LS-PG |
34.625-35.625 |
38.00-38.20 |
35.875 | 36 | 10.5 |
4 |
80667 Power Gear |
60/6 |
|
| S306-38-STORM S306-38L-STORM |
33.625-34.500 | 38.00-38.20 |
35.875 |
35 | 10.5 |
4 | l-282 |
60/6 |
|
| 34.500-35.625 | 36 | 4 | l-306 | ||||||
| 48" Round |
| 48" Round |
| P/N |
Suggested Pipe O.D Range |
Hole Size Range | Connector Dimensions |
Pipe Clamp |
Min. Manhole Size |
||||
| A | B | C | D | Qty | P/N | ||||
| S306-40 S306-40L |
35.625-36.500 |
40.00-40.20 |
37.250 | 37 | 10.5 |
4 |
80667 Power Gear |
60/6 |
|
| 36.500-37.000 | 38 | 4 |
|||||||
| S306-40-STORM S306-40L-STORM |
35.625-36.500 |
40.00-40.20 |
37.875 | 37 | 10.5 |
4 |
l-306 | 60/6 |
|
| 36.500-37.625 | 38 | 4 |
|||||||
| S306-42 S306-42L |
37.625-38.500 | 42.00-42.20 |
39.250 | 39 | 10.5 |
6 | 80667 Power Gear |
72/7 | |
| 38.500-39.000 |
40 | 6 | |||||||
| S306-42-STORM S306-42L-STORM |
37.625-38.500 | 42.00-42.20 |
39.875 | 39 | 10.5 |
4 |
l-318 | 72/7 |
|
| 38.500-39.625 |
40 | 4 |
|||||||
| S306-44 S306-44L |
39.625-40.500 |
44.00-44.20 |
41.250 | 41 | 10.5 |
8 | 80667 Power Gear |
72/7 |
|
| 40.500-41.000 | 42 | 8 | |||||||
| S306-44LS-PG |
40.500-41.625 | 44.00-44.20 |
41.875 | 42 | 10.5 |
8 | 80667 Power Gear |
72/7 |
|
| S306-44-STORM S306-44L-STORM |
39.625-40.500 |
44.00-44.20 |
41.875 | 41 | 10.5 |
4 |
l-348 | 72/7 |
|
| 40.500-41.625 | 42 | 4 |
|||||||
| S306-46 S306-46L |
41.625-42.500 | 46.00-46.20 |
43.250 | 43 | 10.5 |
6 | 80667 Power Gear |
72/7 |
|
| 42.500-43.000 | 44 | 6 | |||||||
| S306-46-STORM S306-46L-STORM |
41.625-42.500 |
46.00-46.20 |
43.875 |
43 | 10.5 |
4 |
l-348 | 72/7 |
|
| 42.500-43.625 | 43 | 4 |
|||||||
| S306-48 S306-48L |
43.625-44.500 |
48.00-48.20 |
45.250 | 45 | 10.5 |
6 | 80667 Power Gear |
72/7 |
|
| 44.500-45.000 | 46 | 6 | |||||||
| S306-48-STORM S306-48L-STORM |
43.625-44.500 |
48.00-48.20 |
45.875 | 45 | 10.5 |
6 | l-242 |
72/7 |
|
| 44.500-45.625 |
46 | 6 | l-258 |
||||||
| 48" Round |
| 48" Round |
Recommendations and advice
Dimensions
All data in inch
Subject to change for technical reasons
Using Corrugated Pipes
Adapters are required when using Corrugated Pipe.
Refer to the Corrugated Pipe Adapter Datasheet for details.
Downloads
More detailed information
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