The economical yet versatile choice to block off pipes when smoke testing, the Cherne I-Series Test-Ball is the most trusted pneumatic test ball in the industry. From blocking residential drain-waste-vent systems to municipal storm and sanitary sewer piping, Test-Balls are also great for pressure tests, maintenance, and repairs. The Cherne I-Series Test-Ball does it all.
There may be a 1-2 week lead time before this item ships
12" - 24" I-Series Test Ball Plug Features
- Test-Balls are durable, rugged and effective in any type of pipe.
- Multi-size: More options, less inventory.
- Available with patented field repairable rupture disc technology.
- ¼" Schrader tire valve standard on all plugs.
- Large plugs feature a removable valve allowing them to be repaired or replaced with quick disconnect fittings.
- All Test-Balls are bendable to 90˚.
Sewer Plug Specs
| Part # |
Size |
Range of Use |
Inflation Pressure |
Max Back Pressure |
| P-276128 |
1.25" - 2" |
1.9" - 3.1" |
40 psi |
17 psi, 40ft |
| P-276238 |
2" - 3" |
1.25" - 2.1" |
35 psi |
17 psi, 40ft |
| P-276348 |
3" - 4" |
2.8" - 4.25" |
40 psi |
17 psi, 40ft |
| P-276468 |
4" - 6" |
3.4" - 6.25" |
30 psi |
17 psi, 40ft |
| P-310088 |
4" - 8" |
3.95" - 8.25" |
45 psi |
15 psi |
| P-041386 |
8" |
7" - 8.25" |
25 psi |
17 psi, 40ft |
| P-041394 |
10" |
9" - 10.25" |
25 psi |
17 psi, 40ft |
| P-310128 |
6" - 12" |
5.5" - 12.25" |
45 psi |
15 psi |
| P-041408 |
12" |
10.5" - 12.25" |
25 psi |
17 psi, 40ft |
| P-310168 |
8" - 16" |
7.5" - 16.25" |
45 psi |
15 psi |
| P-041416 |
15" - 16" |
14" - 16" |
25 psi |
13 psi, 30ft |
| P-310248 |
12" - 24" |
11" - 24.25" |
45 psi |
15 psi |
| P-310488 |
24" - 48" |
20.5" - 50" |
22 psi |
10 psi |
| P-310728 |
48" - 72" |
44" - 72.25" |
11 psi |
6 psi |
Questions? Contact Us
To Order: Call 732-251-0800 or Find a Dealer
