HJ-638A Platium Disinfection Integrated Dental Unit

Voltage:110/220V, 50/60Hz

Air pressure: 550-800 Kpa

-Water pressure: 200-400 Kpa

Net weight: 355 Kgs

Gross weight: 375 Kgs

Packing dimensions: 135*97*110 cm



Designers collection

HJ-638A Platium Disinfection Integrated Dental Unit is one of the middle-range dental units from Hager dental chairs/dental units series,it features the most common useful clean-up and first-aid position,which helps the dentist to improve work efficiency and keep away of risk of an emergency incident. it has maximums the comfort of the patient with ergonomic upholstery cushion

① Humanized functions for high effective work experience

integrated dental unit


  • Always by your side

The trolley designed doctor instrument tray allows dentists easy to reach every instruments on the rack. Big space under the tray which enable doctors to move to any appropriate position during surgery period,and it allows you to get close to the patient in a right posture,avoiding pain and fatigue .
3 memories patient positions, enable dentist to save the most comfort position to patients,increases the satisfaction of sevice



  • Assistant Multifunctional Tray

You can use the assistant stool to control patient chair seat and backrest up and down,spittoon flushing ,heating, cup filling and lamp control.


integrated dental unit

integrated dental unit

  • Multi -Functional Foot Pedal

The Foot Pedal let doctor easy to controls LED operation lamp and cup filler, water air separately design easy to separately control water and air , and it also features Chip blow button and backrest/ seat up and down control function, easy to use and efficient for surgery

② Ergonomics design for whole comfort of patient & dentist


  • Synchronized movement


integrated dental unit

integrated dental unit

  • Ergonomics Chair Upholstery

The dental chair upholstery designed according ergonomics, and fits human body seamless. It will reduce the stress and fatigue when seat for a long time during surgery, friendly to users.


  • Double-articulating headrest

Adjusts easily for optimal patient positioning.


integrated dental unit integrated dental unit

integrated dental unit

  • Skidproof Handrest 

The handrest is skidproof, it has better hold experience through high-quality craftwork, caring more about our patient.


  • Dimmable Sensor 6 LED Dual-Color Lamp 

High LUX white light enable shadow-less focus light for surgery use, doctors are able to control the light color and intensity by PIR sensor. The dental lamp arm is flexible and easy & accurate to fix position for dentist,giving a better user experience


integrated dental unit
integrated dental unit


  • Better installation experience to dealers

The sidebox is connected in the middle of the dental chair frame through an strong metal rotary pole, making the whole device more stable. The strong metal rotary pole enables our dental chairs able to enter through the narrow door which less than 70CM width in lift or clinic room,our dealer will have no worry to installation anymore in different dental clinic.


③ Hygienic solution keeps virus away from your clinic


  • Ergonomics Doctor Stool 

The stools features 6 ways adjustment to enable doctor has more choices to choose the right position, the backrest can support doctor waist , doctor will not feel fatigue when seat for a long time during surgery. Metal base with 5 way support , more stable and durable, noiseless and quality wheels makes movement super quite and perfectly fit the quite dental clinic use.


integrated dental unit
integrated dental unit integrated dental unit


  • 180 degrees New Rotation Ceramic Spittoon

-The Spittoon can easy rotate 180 degrees & fits the demand of different spiting angle. -Bigger spittoon with better performance easy to clean and disinfecting


④ Safety is the very first part of user experience


  • Emergency system 

When dentist push the emergency buttom, the entire machine will stop of working in case of emergency.


integrated dental unit

⑤ Quality is the foundation of reputation

integrated dental unit


  • Self-designed Diagram Detection System



  • Anti-Rust Steady Chair Frame


integrated dental unit
integrated dental unit


  • Anti-Rust Stainless Steel Tube



  • Import Brand Gear Motor


integrated dental unit
integrated dental unit


  • Durable Acid and alkali resistance water & air tube


⑥ Functions Summary

3 memories patient position
The backrest is fully metal base and dismountable, easy for installation ,clean and cushion replacement
Rotatable dental unit cabinet box facilitates 4-hand operation and easy for maintenance
Multi-functional Assistant Tray allows assistant to control chair position,cuspidor flushing ,water heating and cup filling.
Multi-Functional Foot Pedal is easy to use and efficient for dentist.
Ergonomics designed Chair fits human body seamless,comfortable for patient during long time surgery.
Dimmable LED Operation Light is shadowless focus,flexible and easy to use.
3-In-1 Main Switch &Emergency Stop allows to turn on/off the power/water/air system with one switch, simple and efficient. Moreover,it is an emergency stop switch.

Ergonomic Doctor Stool with 6 ways adjustment allow doctor to choose the suitable position.


Part Name


Part Name


4-hole Handpiece Hoses


LED operating lamp


WaterTank (air pressurized)


24V DC gear motor




Spittoon flush & Cup filler


Strong suction head


Multifunctional Pedal


Saliva ejector


Built-in Film viewer 24V 


Dentist stool




Doctor tray


Assistant tray




1. Thermostatic water heating system (applied to cup filler and three-way syringe) 

2. Spittoon flushing and cup filling system (water supply amount can be preset) 

3. Quiet electric lift chair (with adjustable pillow, double armrests) 

 4. Main table integrated with control panel, with 5-slot tool holder: 3 for handpiece tubings, 1 for three-way syringe, 1 open for optional use: 1set,

5. Chair movement system with 3 memory positions:

 6. LED film viewer 

7. Assistant control panel with 5-slot tool holder: 2 for saliva suctions/strong&weak, 1 for three-way syringe, 2 open for optional use: 1set,

 8. Rotatable ceramic spittoon 

9. Reflector LED sensor dental light (cold light, gradual brightness adjustment) 

10. Multifunction pedal switch (for water/air supply, chair movement etc.)

 11. Pure water bottle 600ml (removable, air pressurized, switch control) 

12. Dentist stool13. Over 135KG weight supplied gear motor with big torque force , long lifespan and steady quality


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