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Cherne multi-size underground test ball plugs are ideal for blocking the flow while permitting maintenance in storm sewer and sanitary systems. They are used as back plugs for sewer air testing and can be fitted to multiple pipe sizes.
A
B| Style | Model | Nominal Size | Range | Max. Back Pressure | Required Inflation Pressure | Deflated Length | Deflated Diameter | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|
| A | 275048 | - | - | - | - | - | - | €216.84 | RFQ
|
| B | 275058 | 6" to 8" | 5.25" To 8.25" | 17 psi/40 ft. | 30 psi | 14" | 5" | €461.26 | |
| B | 275088 | 8" to 12" | 7" To 12.25" | 11 psi/25 ft. | 20 psi | 16" | 6.75" | €833.44 |
Cherne offers a 2-year warranty on all pneumatic plugs (from the date of manufacture) when kept under controlled conditions and at temperatures between 0 and 125 degrees Fahrenheit.
The inflation pressure should be checked and maintained a minimum of once per 4 hours while in use.