Provides a seal for the newly installed pipe in preparation for air pressure ejection of spoils left within.
| Part Number | Pipe Size (In) | Wall |
|---|---|---|
| 07105804 | 4 – Sch 40 | .237 |
| 07105806 | 6 – Sch 40 | .280 |
| 07105808 | 8 – Sch 40 | .322 |
| 07105810 | 10 – Sch 40 | .365 |
| 07105812 | 12 – Std | .375 |
| 07105814 | 14 – XS | .500 |
| 07105816 | 16 – XS | .500 |
| 07105818 | 18 – XS | .500 |
| 07105820 | 20 – XS | .500 |
| 07105824 | 24 – XS | .500 |
| 07105830 | 30 – XS | .500 |
Safety Stake
Installed as an added precaution to prevent seal-off plate from dislodging from pipe when pressure is applied.
| Part Number | Pipe Diameter |
|---|---|
| 07140000 | Below 18″ |
| 07140050 | 20″ & up |
The blow out procedure. WARNING: Pressure plate must be secured with Safety Stakes as specified in the Operators Manual. Refer to Operators Manual for complete instructions concerning this operation. No personnel are to remain in exit or starting pit during soil removal procedure.
