





- Single-Size Underground Test-Ball® Plugs are made of natural rubber material for excellent expansion and memory
- Seals both round and out-of-round pipe
- Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting
- Features an eye-bolt for use with a poly-lift line
- Use to block flow or as a back plug for sewer air testing
- Available in multiple sizes
Brand: | Cherne |
Color: | Black |
Inflation Thread: | 1/4 in. (1) |
Inflation Pressure: | 25 psi (1,7 bar) |
Product Type: | Single-Size Underground Test-Ball |
Chain Eye Bolts: | 3/8" |
Plug Type: | Blocking |

Cherne® 8 in. Test-Ball® Plug
[UPC] 675115041387
[Part #] 041386
Deflated Length: 10.25 in. (257 mm)
Maximum Back Pressure: 17 PSI / 40 ft.
Usage Range: 7.00 in. - 8.25 in. (178 - 210 mm)
Deflated Diameter: 6.75 in. (171 mm)
Nominal Size: 8 in. (200 mm)
Nominal Min: 8
Nominal Max: 8

Cherne® 10 in. Test-Ball® Plug
[UPC] 675115041394
[Part #] 041394
Deflated Length: 11.75 in. (298 mm)
Maximum Back Pressure: 17 PSI / 40 ft.
Nominal Size: 10 in. (250 mm)
Usage Range: 9.00 in. - 10.25 in. (229 - 260 mm)
Deflated Diameter: 8.75 in. (222 mm)
Nominal Min: 10
Nominal Max: 10

Cherne® 12 in. Test-Ball® Plug
[UPC] 675115041400
[Part #] 041408
Deflated Length: 13.75 in. (350 mm)
Maximum Back Pressure: 17 PSI / 40 ft.
Deflated Diameter: 10.25 in. (260 mm)
Usage Range: 10.50 in. - 12.25 in. (267 - 311 mm)
Nominal Size: 12 in. (300 mm)
Nominal Min: 12
Nominal Max: 12

Cherne® TEST-BALL, 15-16 IN.
[UPC] 675115041417
[Part #] 041416
Deflated Length: 19.75 in. (502 mm)
Maximum Back Pressure: 13 PSI / 30 ft.
Deflated Diameter: 13.75 in. (346 mm)
Nominal Size: 15-16 in. (375 - 400 mm)
Usage Range: 14-16.25 in.
Nominal Min: 15
Nominal Max: 16