Backfill Grout System
AssemblyTanks, pumps, lines and injection ports that fill the annular gap behind the lining as the machine advances. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Backfill Grout System
9 top-level lines as of r193243| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Grout Pump | tbm-grout-pump | 4× | 4 | · | part |
| 2 | Grout & Accelerator Tank | tbm-grout-tank | 4× | 4 | · | part |
| 3 | Grout Mixing Head | tbm-grout-mixer | 6× | 6 | · | part |
| 4 | Flow Meter | tbm-flow-meter | 8× | 8 | · | part |
| 5 | Service Pipe Section | tbm-service-pipe | 80× | 80 | · | part |
| 6 | Pipe Flange & Gasket | tbm-pipe-flange | 90× | 90 | · | part |
| 7 | Hydraulic Valve | tbm-hydraulic-valve | 24× | 24 | · | part |
| 8 | Hex Bolt | tbm-hex-bolt | 160× | 160 | · | part |
| 9 | Hex Nut | tbm-hex-nut | 160× | 160 | · | part |