Spray Wash Pretreatment Line
For automated lines — continuous spray wash integrated with conveyor
For automated lines where parts move continuously through pretreatment on a conveyor — no manual loading between stages. Spray nozzles clean parts as they pass through each stage, delivering consistent surface preparation at line speed.
Especificaciones
- Type
- Continuous spray wash
- Stages
- 5-8+ configurable
- Integration
- In-line with conveyor
- Chemistry
- Nano / zirconium / chrome
Características principales
- In-line continuous spray process
- Energy-efficient heating
- Minimal chemical and water use
- 5 to 8+ stage configuration
- Nanotechnology options
- Integrated with conveyor systems
How Spray Wash Pretreatment Works
Parts travel on a conveyor through an enclosed tunnel with multiple spray zones. Each zone applies a different chemical treatment — degreasing, rinsing, etching, conversion coating. The spray pressure and nozzle configuration are set to match your part geometry and substrate.
The advantage over dip tanks: spray wash integrates directly with your conveyor line, so there is no manual rack handling between pretreatment and the spray booth. Parts go from wash to dry to coat without stopping.
Stage Configuration
5 to 8+ stages configurable depending on substrate and end-use requirements:
- 5-stage: Degrease, rinse, etch, rinse, conversion coat — standard for most applications
- 6-stage: Adds a de-smut stage for aluminium
- 7-8 stage: Adds reverse osmosis rinses and specialized sealing for coastal/harsh environments
Operating Efficiency
- Energy-efficient heating — cascade heat recovery between stages
- Minimal chemical and water consumption — closed-loop systems reduce waste
- Nanotechnology and zirconium conversion options alongside traditional phosphating
Contact us with your line speed, part type, and substrate material for a pretreatment specification.
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