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Backfill Grout System

Assembly

Tanks, 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.

Backfill Grout System parts and their functions

9 top-level parts · 536 parts in total · full bill of materials below
Backfill Grout System parts diagram: 1 grout pump, 2 grout & accelerator tank, 3 grout mixing head, 4 flow meter, 5 service pipe section, 6 pipe flange & gasket, 7 hydraulic valve, 8 hex bolt, 9 hex nut. 536 parts in 9 top-level items.
Backfill Grout System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Grout Pump 4× Piston pump injecting two-component backfill grout behind the segments.
2 Grout & Accelerator Tank 4× Agitated tank holding grout component A or accelerator B.
3 Grout Mixing Head 6× Static mixer where components A and B meet just before injection.
4 Flow Meter 8× Electromagnetic flow meter on a foam, water or grout line.
5 Service Pipe Section 80× Flanged pipe section of the water, air, grout or bentonite line along the gantry.
6 Pipe Flange & Gasket 90× Flange pair with gasket and bolts joining two pipe sections.
7 Hydraulic Valve 24× grout valves
8 Hex Bolt 160× High-strength hex bolt, M12 to M36, used throughout the shield, gantry and equipment mounts.
9 Hex Nut 160× Heavy hex or nyloc nut mating the bolts.

3D model

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Build & assembly graph

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Bill of materials for Backfill Grout System

9 top-level lines · 9 rows shown · 536 parts total · indented to 3 levels
# 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

Where the backfill grout system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Tunnel Boring Machine

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks