Product buying guide
Two Water Tank Cleaning Machine
Use this two water tank cleaning machine when one washing stage is not enough and the parts need rough cleaning plus finer rinsing for stable batch quality.
Cleaning problems this machine is built for
- Heavy oil after heat treatment
- Metal chips on flat workpieces
- Batch metal part rinsing
- Cleaner output after rough washing
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- Oil level and chip volume
- Part thickness and geometry
- Required cleanliness level
- Tank separation requirement
- Water recycling and filtration needs
Buyer questions for this machine
Why choose a two-tank cleaning machine?
Two tanks help separate rough washing from fine rinsing, which is useful when oil load is high or batch cleanliness needs to be more stable.
Is it suitable for irregular tall parts?
It is best for flat or manageable hardware parts. Deep cavities and tall formed parts should be checked with samples or photos first.
Quick visual screen
Use the part, residue, and switch-point to judge whether this machine belongs in the shortlist
Typical parts this machine is shortlisted for
- Heat-treated metal parts
- Flat hardware workpieces
- Oil-stained parts
- Batch cleaning
Cleaning problems buyers usually compare on this page
- Heavy oil after heat treatment
- Metal chips on flat workpieces
- Batch metal part rinsing
- Cleaner output after rough washing
When the project usually needs a different route
- Not suitable for workpieces thicker than 8 mm.
- Not suitable for glass, acrylic, or highly scratch-sensitive surfaces.
- Very small loose parts may need carriers or a different feeding method.
Business scenarios
How buyers usually compare this machine in real projects
Heavy oil, heat-treatment residue, and dirty first-stage washing
This route usually appears when buyers already know one washing stage gets dirty too fast and the final surface cannot stay stable across batches.
- Typical fit for metal parts carrying stronger oil, black residue, or mixed contamination
- Often shortlisted when the first wash needs to be rougher than the final rinse
- Useful when output is batch-based and rinse stability matters more than compact footprint
Chosen when the buyer needs cleaner separation before drying or storage
The business reason is often less about machine size and more about whether the workshop can keep a cleaner second stage before drying and handoff.
- Good fit when operators complain that residue comes back after washing
- Often compared before storage, assembly, or downstream finishing
- Useful when the first stage carries too much oil or metal fines
Move away when the project is lighter, flatter, or more cosmetic than heavy-wash work
If the parts are thin flat workpieces with lighter residue, buyers often switch back to a simpler one-pass route or a more shape-specific machine.
- Change route when the main issue is light handling oil on flat parts
- Change route when the surface risk is cosmetic rather than residue-heavy
- Change route when a compact single-line washer is enough
Buyer scenarios
Production situations where this machine usually enters the shortlist

Aluminum sheet cleaning before coating or packing is mainly about stable surface preparation. The line must remove dust, light oil, and handling residue while matching sheet width, surface finish, drying needs, and downstream handoff.
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Flat metal parts often leave machining, polishing, or handling with oil, wax, stains, or water residue. A good cleaning line starts with part geometry and residue type, then confirms brush contact, water handling, drying, and packing requirements.
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Stainless steel sheet cleaning is usually judged by the next visible surface step. Buyers need a line that can remove light oil, dust, and water marks while keeping sheet transfer stable before protective film lamination, inspection, or packing.
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Hardware parts cleaning before coating or assembly usually starts from residue behavior and part geometry. Buyers need to know whether the parts stay stable on a conveyor, whether oil and polishing carry-over can be controlled, and whether drying is good enough for the next process.
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Filter and hardware parts cleaning before assembly is usually about stability, not only visible cleanliness. Buyers need to control oil, polishing residue, and water carry-over while keeping part geometry stable enough for repeatable washing and drying.
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Aluminum sheet cleaning before protective film lamination is usually judged by visible surface consistency. Buyers need to remove handling oil, dust, and water marks while keeping the sheet dry and stable enough for lamination, inspection, or packing.
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Hardware parts cleaning before electroplating usually starts from residue behavior and part geometry. Buyers need to know whether oil, polishing carry-over, and water residue can be controlled well enough before plating, coating, or assembly.
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Precision hardware cleaning before quality inspection is usually about stable surface results across batches. Buyers need to control oil, polishing residue, dust, and water carry-over while keeping parts dry enough for inspection, packing, or assembly handoff.
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Hardware cleaning before sample approval is usually about proving that the route can stay stable, not only getting one clean sample. Buyers need to control oil, polishing residue, dust, and water carry-over before inspection, sample sign-off, or order confirmation.
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Stainless steel sheet cleaning before export packing is usually judged by visible finish stability. Buyers need to remove oil film, dust, and water marks while keeping the sheet dry enough for packing and inspection without adding new wipe marks or handling defects.
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Aluminum sheet cleaning before sample approval is usually about proving stable surface results, not only producing one acceptable sample. Buyers need to control oil film, dust, and water carry-over well enough for inspection, sign-off, or order confirmation.
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Cleaning and drying issues buyers usually compare around this machine

Heavy oil removal is not just a pressure question. The right cleaning line depends on oil load, part geometry, chip volume, water temperature, filtration, and whether rough washing should be separated from final rinsing.
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Polishing compound removal is usually harder than light oil cleaning because the residue can smear, collect in edges or holes, and return during rinsing. A useful machine choice depends on part flatness, residue thickness, and how clean the final surface needs to be.
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Metal chip removal becomes difficult when chips, oil, and fine residue circulate back onto the part. The useful route depends on whether the parts stay flat on the line, whether one wash stage gets dirty too quickly, and how clean the part must be before the next process.
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Oil film removal from stainless steel sheets is usually a surface-stability problem, not only a washing-force problem. Buyers need to remove handling oil and light residue while keeping the sheet dry and visually consistent before lamination, inspection, or packing.
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Oil stain removal from aluminum sheets is usually a surface-stability problem more than a pressure problem. Buyers need to remove handling oil, wipe marks, and water carry-over while keeping the sheet dry and visually consistent before packing or lamination.
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Black residue removal from hardware is usually harder than light oil cleaning because the residue can smear, collect in edges, and carry over into the rinse. Buyers need a route that can support stable cleaning before coating, inspection, or assembly.
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A weak hardware cleaning quotation usually comes from missing project facts, not from missing price tables. Buyers need to clarify part geometry, residue behavior, output target, drying standard, and workshop limits before a machine family can be judged correctly.
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Slow drying on aluminum sheets is usually a line-balance problem, not only an air-volume problem. Buyers need to compare drying demand, sheet size, line speed, and water carry-over together before packing or inspection can stay stable.
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A weak stainless steel sheet cleaning quotation usually comes from missing project facts, not missing price tables. Buyers need to clarify sheet finish, residue behavior, output target, drying standard, and shipment needs before a machine route can be judged correctly.
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Metal blank cleaning before coating fails when oil, chips, dust, or water carry-over reaches the next process. The useful machine route depends on blank size, flatness, residue load, drying standard, and whether the downstream process is painting, powder coating, inspection, or packing.
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Oil film on aluminum sheets becomes a buying problem when lamination, coating, packing, or sample approval exposes surface marks. The route depends on sheet width, oil load, surface sensitivity, drying target, and whether the cleaned sheet goes directly to the next process.
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A tank cleaning machine project usually starts when one wash stage becomes dirty too quickly. For heavy oil metal parts, the real decision is whether rough washing, finer rinsing, filtration, and drying should be separated so the final surface stays stable across batches.
View issue guideApplications
- Heat-treated metal parts
- Flat hardware workpieces
- Oil-stained parts
- Batch cleaning
Cleaning Process
- Designed to remove oil stains from metal parts after hot processing
- Upper and lower stainless steel rolling brushes repeatedly wash the workpiece
- Cleaning thickness can be adjusted automatically below 8 mm
- Strong cleaning effect for a wide range of hardware parts
- Movable casters make workshop use and positioning convenient
Material boundary and input conditions
- Built for metal workpieces with surface oil generated after high-temperature processing.
- Reference brochure boundary is 1-8 mm thickness.
- Confirm whether the process needs repeated upper/lower brush scrubbing or a gentler route.
Output and process result
- Upper and lower stainless steel brushes repeatedly scrub the workpiece.
- Reference line speed is 1-20 m/min.
- The brochure positions this family around hot-processed metal oil removal.
Utilities, footprint, and machine resources
- Two-tank wash concept for repeated cleaning action.
- Movable casters for workshop positioning.
- Reference power rises from 14 to 18 kW across the width families.
Packaging, transport, and pre-shipment checks
- Use width, weight, and tank layout to confirm loading access.
- Confirm destination voltage, packing route, and unloading support before shipment.
- Oil-removal expectation should be locked together with the brush route before order release.
Common risks and unsuitable scenarios
- Not suitable for workpieces thicker than 8 mm.
- Not suitable for glass, acrylic, or highly scratch-sensitive surfaces.
- Very small loose parts may need carriers or a different feeding method.
What different teams usually confirm
Procurement
- Width family, power, and tank layout are the key quote filters.
- Oil-removal projects usually need earlier packing and unloading planning.
Engineering
- Confirm oil load, temperature history, and surface robustness of the workpiece.
- Repeated brush contact and line speed should be matched to the contamination level.
Owner
- This family targets stubborn oil removal on hot-processed metal parts.
- Width options keep the project scalable without changing the base process logic.
Procurement table
Typical machine data
Ask before pricing
Typical machine data. Final setup depends on your material and production requirements.
Send us the material and cleaning problem first. Our team will recommend the right pressure, filtration, heating, drying, and conveyor setup.
Are you a trading company or a factory? Factory
We are a factory in Foshan, Guangdong, China. We build industrial cleaning machines and adjust each machine to the material and cleaning problem.
Can the machine remove heavy oil and metal chips? Performance
Yes. The metal parts series uses 20-70 bar high-pressure spray with fan-shaped nozzles to remove oil, chips, and oxide scale. For stubborn contamination, a double-tank system can separate rough washing and fine rinsing.
Can the machine run continuously? Technical
The equipment is designed for 24-hour industrial operation when configured and maintained correctly. SUS304 tanks, circulating pumps, and filtration help support stable long-term use.
Is the cleaning water recyclable? Cost
Yes. The machines can use inlet and return-water filtration to recycle cleaning liquid, reduce water consumption, and help prevent nozzle clogging.
Will glass or acrylic be scratched during cleaning? Performance
Glass and acrylic applications use lower-pressure gentle spray, anti-scratch nozzle design, and precision filtration to reduce the risk of scratches and edge damage.
Product inquiry
Request a Two Tank recommendation
The first inquiry step is short. Detailed size and thickness can be confirmed later if needed.