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Pretreatment Stage Tunnel

Assembly

Series of spray and immersion stages that degrease, rinse and apply a zinc phosphate or zirconium conversion coat. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Pretreatment Stage Tunnel parts and their functions

10 top-level parts · 303 parts in total · full bill of materials below
Pretreatment Stage Tunnel parts diagram: 1 alkaline degrease tank, 2 cascade rinse stage, 3 conversion coating tank, 4 chemical dosing skid, 5 spray pump, 6 spray riser, 7 spray nozzle, 8 bag filter housing, 9 stage heat exchanger, 10 pretreatment tunnel enclosure. 303 parts in 10 top-level items.
Pretreatment Stage Tunnel parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Alkaline Degrease Tank 6 parts 1× Alkaline cleaner immersion tank, 60 C
2 Cascade Rinse Stage 2× Cascade water rinse stages between chemical tanks
3 Conversion Coating Tank 6 parts 1× Conversion coating immersion tank
4 Chemical Dosing Skid 4 parts 1× Chemical dosing skid for cleaner and phosphate makeup
5 Spray Pump 4× Centrifugal pump feeding spray risers in each stage
6 Spray Riser 8× Vertical pipe with nozzles flooding parts in each stage
7 Spray Nozzle 240× Eyeball spray nozzle on the risers
8 Bag Filter Housing 6× Bag filter housing on each pretreatment loop
9 Stage Heat Exchanger 2× Plate exchanger heating cleaner and phosphate tanks
10 Pretreatment Tunnel Enclosure 1× Stainless tunnel housing with drip lips and exhaust

3D model

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Build & assembly graph

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Bill of materials for Pretreatment Stage Tunnel

10 top-level lines · 26 rows shown · 303 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Alkaline Degrease Tank 6 parts e-coat-line-degrease-tank 1× 1 21 assembly
1.1 Process Tank Shell e-coat-line-tank-shell 1× 1 · part
1.2 Heating Element heating-element 4× 4 · part
1.3 Belt Oil Skimmer e-coat-line-oil-skimmer 1× 1 · part
1.4 Circulation Pump e-coat-line-circulation-pump 1× 1 · part
1.5 Liquid Eductor e-coat-line-eductor 12× 12 · part
1.6 Pressure Sensor pressure-sensor 2× 2 · part
2 Cascade Rinse Stage e-coat-line-spray-rinse-stage 2× 2 · part
3 Conversion Coating Tank 6 parts e-coat-line-phosphate-tank 1× 1 8 assembly
3.1 Process Tank Shell e-coat-line-tank-shell 1× 1 · part
3.2 Circulation Pump e-coat-line-circulation-pump 1× 1 · part
3.3 Bag Filter Housing e-coat-line-bag-filter 2× 2 · part
3.4 Sludge Settling Cone e-coat-line-sludge-cone 1× 1 · part
3.5 Heating Element heating-element 2× 2 · part
3.6 Pressure Sensor pressure-sensor 1× 1 · part
4 Chemical Dosing Skid 4 parts e-coat-line-conversion-dosing 1× 1 11 assembly
4.1 Diaphragm Dosing Pump e-coat-line-dosing-pump 4× 4 · part
4.2 Additive Day Tank e-coat-line-day-tank 4× 4 · part
4.3 Bath Analysis Probe e-coat-line-titration-probe 2× 2 · part
4.4 Fastener Set fastener-set 1× 1 · part
5 Spray Pump e-coat-line-spray-pump 4× 4 · part
6 Spray Riser e-coat-line-spray-riser 8× 8 · part
7 Spray Nozzle e-coat-line-spray-nozzle 240× 240 · part
8 Bag Filter Housing e-coat-line-bag-filter 6× 6 · part
9 Stage Heat Exchanger e-coat-line-stage-heat-exchanger 2× 2 · part
10 Pretreatment Tunnel Enclosure e-coat-line-tunnel-enclosure 1× 1 · part

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Where the pretreatment stage tunnel is used

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

Used in 1 assembly

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.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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