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High-pressure cleaner HD 9/20-4 S ST Classic

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Specifications

ManufacturerKaercher
ConditionNew
Number of current phases (Ph)3
Voltage (V)376 - 424
Frequency (Hz)50
Flow rate (l/h)450 - 900
Inlet temperature (°C)60
Working pressure (bar)50 - 200
Max. pressure (bar)260
Connected load (kW)7
Power cable (m)5
Nozzle size047
Water inlet1″
Colouranthracite
Weight (with accessories) (kg)49,7
Weight incl. packaging (kg)55,4
Dimensions (L × W × H) (mm)720 x 522 x 418

Description

Stationary HD 9/20-4 S St Classic cold water high-pressure cleaner: Designed for commercial use with structured installation, operation, and maintenance.

Designed for stationary application: The HD 9/20-4 S St Classic cold water high-pressure cleaner from Kärcher delivers 7 kW of power, generates an operating pressure of up to 200 bar, and provides a flow rate of 900 l/h. The unit features an adjustable crankshaft pump as well as a low-speed, 4-pole motor with automatic shutdown and combined air/water cooling. An integrated water filter protects the pump against contamination. The standard scope of delivery includes a trigger gun, lance, 10-meter high-pressure hose, and power nozzle – each equipped with the EASY!Lock quick-release fastener. Service and maintenance points are directly accessible, and the steel frame can be mounted on walls or floors.

Features and benefits

Crankshaft pump with brass cylinder head and pistons with ceramic sleeves

High performanceLong service life and low maintenance costs.With suction feature and up to 60 °C water temperature.

Sturdy, stationary design.

Tubular steel frame for machine protection during daily operation.Designed for continuous workflows in commercial and industrial operations.The sturdy pipe frame provides protection in continuous heavy-duty use.

Classic accessories with EASY!Lock connections

Robust accessories.Quick set-up and pack-up plus easy accessory replacement.Easy to use

Clear machine design

  • Large water filter to protect the pump.
  • Pressure and water flow can be adjusted on the pump itself.
  • Filling level and quality of the oil can be checked easily using the inspection glass and dipstick.

    • 4-pole low-speed motor with air-water cooling system, solid pump with stainless steel pistons and brass cylinder head

  • Combines water cooling with an air cooling system for maximum cooling output even in fluctuating ambient temperatures and water temperatures.
  • Built to last, high reliability.
  • Tried-and-tested high-quality Kärcher components guarantee a long lifetime.

    • Structured control elements and service-friendly design.

  • Integrated water filter can be removed and cleaned without any tools.
  • Simple operation.
  • Good accessibility for easy service and maintenance.

    • High flexibility

  • The extensive accessory line provides for ergonomic and economical cleaning solutions for numerous applications.
  • Extensive range of accessories for a wide range of applications.
  • Minimum installation effort.

    • Scope of supply

  • High-pressure hose length: 10 m
  • High-pressure hose specification: DN 8, 315 bar
  • Spray lance: 840 mm
  • Power nozzle

    • Equipment

  • Crankshaft pump with ceramic pistons
  • 4-pole three-phase motor with air and water cooling
  • Pressure cut-off
  • Integrated water fine filter
  • Sight glass for oil level
  • Brass water inlet
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