High-pressure cleaner HDS 10/21 -4 St EU-I
Excels under pressure: the HDS 10/21-4 St stationary hot water high-pressure cleaner with oil burner is designed for continuous use in tough applications and cleans with a pressure of up to 210 bar.
The HDS 10/21-4 St is a stationary hot water high-pressure cleaner with an oil burner that provides an operating pressure of up to 210 bar. Its 4-pole, low-speed electric motor delivers the required power for continuous operation. The crankshaft pump with brass cylinder head delivers up to 1,000 liters of water per hour. The water break tank integrates a limescale protection system and a water filter to protect the pump. Detergent is drawn in and metered via a control valve, with a low-level indicator alerting the user when the detergent container is empty. Electronic monitoring of the oil burner and system parameters provides continuous operational control. A rotary switch or an optional remote control enables system operation, while service and maintenance points are structured for ease of access. A range of available accessories allows the HDS 10/21-4 St to be adapted to different cleaning tasks. The unit can be equipped with a pressure gauge, an operating hours counter, a second detergent dosing system, and a pressure relief system.
Features and benefits
High-performance crankshaft pump
- Crankshaft pump with brass cylinder head and ceramic piston
- Especially solid and extremely dependable.
- Longer service life, less maintenance effort and lower costs. Ideal for industrial use.
Water-cooled four-pole electric motor
- Water-cooled motor for a high performance and long service life.
- 4-pole, slow-running electric motor guarantees a long working time.
- Ausgelegt für den kontinuierlichen Einsatz bei optimierter Service zugänglichkeit.
Burner technology with min. 91% efficiency
- High-output burner with upright heating coil and detonation-free continuous ignition.
- Engineered Kärcher burner technology with demand-based fuel feed
- Burner with high effectiveness (> 91%), low fuel consumption and very low exhaust emissions.
Electronic monitoring for greater operational safety.
- Switches off in case of leaks or phase failure.
- Automatic switch-off in case of low voltage range or overvoltage.
- Integrated protection and monitoring systems for flame and exhaust gas temperatures, water shortage, overpressure, and limescale status ensure continuous equipment protection
High-quality equipment
- Integrated water reservoir with limescale protection and empty indicator protects the heating coil and the entire system from lime deposits.
- The housing and frame are made from powder-coated steel
- The detergent intake system with dosing valve and empty indicator is just part of the high-quality equipment supplied as standard.
Easy and convenient operation
- One rotary switch for all functions. For simple and fast handling without lengthy familiarisation period.
- Practical error display informs users immediately and saves time.
- Particularly user-friendly thanks to self-explanatory symbols. No need for time-consuming induction.
Large, transparent water fine filter
- Large, easy-to-reach water fine filter for protecting the pump against dirt particles in the water.
- Ensures long service life for all high-pressure components.
- Easy to use, easy to clean
Cleaning agent suction and dosing system for even better cleaning results
- Using the dosage setting function, detergents can be dosed with precision to match the degree of soiling.
- For precise and infinitely variable cleaning agent dosing.
Service-friendly design with easily accessible maintenance points
- Easy access to all service and maintenance components.
- Comprehensive service network with highly trained service technicians.
- Display of error codes, operating status, pump maintenance intervals and monitoring for faulty operation of the burner and the entire machine make servicing easier.
High flexibility
- The machine can alternatively be controlled with a remote control.
- In its extensive range of accessories for high-pressure cleaners, Kärcher has the right accessory for every cleaning task and every objective.
- A time counter and pressure gauge as well as automatic pressure relief to protect accessories and pipelines are available as options.
Specifications
Technical data
| Number of current phases (Ph) | 3 |
| Voltage (V) | 400 |
| Frequency (Hz) | 50 |
| Flow rate (l/h) | 500 - 1000 |
| Working pressure (bar) | 210 |
| Max. pressure (bar) | 235 |
| Temperature (for supply 12 °C) (°C) | max. 80 |
| Inlet temperature (°C) | max. 30 |
| Connected load (kW) | 8 |
| Consumption of fuel oil at full load (kg/h) | 6,5 |
| Heat energy (kW) | 77 |
| Power cable (m) | 5 |
| Water inlet | 1″ |
| Number of users at one time | 1 |
| Portability | stationary |
| Protection (A) | 25 |
| Weight (with accessories) (kg) | 160 |
| Weight incl. packaging (kg) | 170 |
| Dimensions (L × W × H) (mm) | 1142 x 578 x 790 |
Scope of supply
- Flame monitoring
- Prepared for Servo Control
- Prepared for remote operation
- Power nozzle
- Detergent function: Suction
Equipment
- Oil dipstick
- Sight glass for oil level
- Pre-equipped for a detergent inlet
- RM1 dosage
- Dry-running protection
- Large water fine filter
- Storage tank with float valve
- Crankshaft pump with ceramic pistons
- Water-cooled motor
- Frame and cover: Steel, powder-coated
Application areas
- For cleaning machines and vehicles
- For cleaning tasks in the food and chemicals industries
- Ideal for diverse applications in the transport and logistics sector
- Agriculture
- In production halls and workshops where hot water is needed
- Suitable for use in production halls, warehouses, logistics buildings and heavy industry facilities
- Versatile applications in industrial settings, e.g. for cleaning production facilities
- Public sector
- Ideal for car dealerships, car hire companies and service stations
- Cleaning tractors, machines and implements in agriculture
