1. Product Overview
The WONE PBW-21G is an automatic sole cleaning machine for food processing facilities. Its extended horizontal brush, sensor activation, and water-and-detergent cleaning help remove dirt and residues from footwear before employees move between hygiene zones.
2. Key Features
- Extended Horizontal Brush: Provides wider cleaning coverage across shoe soles.
- Automatic Sensor Activation: Starts brush rotation when employees enter the machine.
- Three-Action Cleaning: Combines rotating brushes, water, and low-foam detergent.
- i-clean Smart Controller: Eco, Strong, and Custom cleaning modes.
- 304 Stainless Steel: Durable construction with smooth, easy-to-clean surfaces.
- Easy Maintenance: Quick-release brush design and debris filter.
- Continuous Walk-Through Design: Supports efficient employee movement.

3. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PBW-21G |
| Machine Type | Channel Sole Cleaning Machine |
| Power | 500 W |
| Voltage | AC 220 V / 50 Hz |
| Material | SUS304 Stainless Steel |
| Brush Type | Extended Horizontal Brush |
| Activation | Photoelectric Sensor |
| Cleaning Modes | Eco / Strong / Custom |
| Water Inlet | 1/2″ DN15 |
| Drain Outlet | OD40 mm |
| Protection Rating | IP54 |
| Dimensions | L1085 × W800 × H1455 mm |
| Weight | 112 kg |
| Configuration | Left-Hand / Right-Hand Version |
4. How It Works
- Sensor Detection: The machine detects an approaching employee.
- Automatic Brushing: The rotating brush scrubs the shoe soles.
- Water and Detergent Cleaning: Water and low-foam detergent help loosen and remove dirt.
- Walk-Through: Employees continue through the channel without manual button operation.

5. Applications
Suitable for footwear cleaning in:
- Meat and poultry processing plants
- Bakeries and flour processing facilities
- Seafood processing plants
- Dairy factories
- Food packaging areas
- Workshop entrances and exits
- Transitions between hygiene zones
6. Installation Requirements
- Placement: Install on a suitable, level floor.
- Power Supply: AC 220 V / 50 Hz.
- Water Supply: 1/2″ DN15 inlet; recommended water pressure 0.2–0.4 MPa.
- Drainage: OD40 mm drain connection.
- Electrical Safety: Provide suitable leakage protection.
- Installation: Connect power, water, and drainage according to the installation manual.
7. Optional Customization
- Left-hand or right-hand machine configuration
- Cleaning mode adjustment
- Detergent selection according to cleaning requirements
- Integration into a personnel hygiene entrance layout
Contact WONE to confirm available configurations for your project.

8. Product Comparison
| Feature | PBW-21G | PBW-21E |
|---|---|---|
| Brush Design | Extended horizontal brush | Standard horizontal brushes |
| Machine Design | Wider channel design | Compact channel design |
| Activation | Automatic sensor | Automatic sensor |
| Cleaning Method | Brush + water + detergent | Brush + water + detergent |
| Smart Controller | i-clean | i-clean |
| Construction | SUS304 stainless steel | SUS304 stainless steel |
| Best For | Wider sole coverage and larger footwear | Space-saving installation and routine sole cleaning |
Which Model Should You Choose?
Choose the PBW-21G for wider brush coverage. Choose the PBW-21E when installation space is limited and routine sole cleaning is the priority.
9. FAQ
Q1: What does the PBW-21G clean?
It cleans shoe and boot soles. It is not designed to wash the entire boot upper.
Q2: Does it start automatically?
Yes. A photoelectric sensor activates the brush when an employee approaches.
Q3: Can detergent be used?
Yes. Low-foam detergent can be used to help remove stubborn dirt and residues.
Q4: Does it disinfect footwear?
The standard cleaning process focuses on physical soil removal. A separate disinfection step may be required.
Q5: Is it suitable for large food factories?
Yes. Its walk-through design supports employee movement at production entrances and transitions between hygiene zones.
Q6: Is special floor modification required?
The machine is designed for floor placement. Confirm the floor, drainage, and utility conditions before installation.
10. Related Products
- PBW-21E Automatic Sole Cleaning Machine – For routine shoe sole cleaning.
- PBW-61E Heavy-Duty Boot Washer – For cleaning boot soles and uppers.
- PBW-23 Personnel Hygiene Station – Combines sole cleaning with hand disinfection and access control.
- PBD-20 Boot Drying Rack – For drying work boots after cleaning.
11. Contact Us
Interested in the PBW-21G Channel Sole Cleaning Machine?
Contact our team for product details, pricing, and technical information.
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