Description
Cherne® Test-Ball® Underground Plug, Original Single-Size, 15 to 16 in Nominal, Natural Rubber
Features:
- 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 eyebolt for use with a poly-lift line
- Use to block flow or as a back plug for sewer air testing
- Holds 30 ft of head and back pressure to 13 psi
- 1/4 in inflation thread
- 13-3/4 in Dia deflated
- 19-3/4 in L deflated
- 25 psi inflation pressure
- 13 psi maximum back pressure
- 14 to 16-1/4 in usage range
