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KJ-1EW 32L Oil-Free Dental Air Compressor for Single Chair

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KEJU KJ-1EW is a 32L oil-free dental air compressor designed for single-chair dental clinic applications. It provides a rated airflow of 65L/min with 550W power and a listed pressure of 7.5 bar, offering a dedicated compressed-air supply for one compatible dental chair.

Model: KJ-1EW
Product Type: Oil-Free Dental Air Compressor
Recommended Configuration: One Compressor for One Dental Chair
Tank Capacity: 32L
Power: 550W
Airflow: 65L/min
Pressure: 7.5 bar
Noise Level: 65 dB
Voltage: 110V/60Hz or 220V/50Hz
Brand: FSKEJU
Manufacturer: Foshan Keju Medical Apparatus Co., Ltd.

Actual air demand depends on the connected dental unit and air-driven instruments. Voltage, airflow requirements, installation conditions, and final system compatibility should be confirmed before ordering.
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  • KJ-1EW

  • FSKEJU

  • KJ-1EW

KJ-1EW 32L Oil-Free Dental Air Compressor for Single Chair

The FSKEJU KJ-1EW dental air compressor is a 32L oil-free compressed-air system designed for single-chair dental clinic applications. With 550W rated power, 65L/min airflow and a pressure specification of 7.5 bar, the KJ-1EW provides a dedicated compressed-air supply for one compatible dental chair.

The one-for-one configuration makes the KJ-1EW suitable for treatment rooms where an individual dental unit requires its own compressor rather than sharing a larger centralized compressed-air system.

Additional capacities for single-chair and multi-chair installations can be reviewed in our Dental Air Compressor range.

KJ-1EW Product Snapshot

Model: KJ-1EW

Product Type: Oil-Free Dental Air Compressor

Chair Configuration: One for One

Tank Capacity: 32L

Power: 550W

Rated Airflow: 65L/min

Pressure: 7.5 bar

Noise Level: 65 dB

Dedicated Air Supply for One Dental Chair

The KJ-1EW is configured as a one-for-one dental air compressor for supplying compressed air to one compatible dental treatment unit under an appropriate clinic installation.

A dedicated compressor can be useful in a single-operatory clinic, an independent treatment room or an installation where each dental chair uses a separate compressed-air source.

“One for one” describes the intended chair configuration rather than replacing an airflow assessment. Dental units and air-driven instruments can have different compressed-air requirements, so the actual equipment demand should be reviewed before installation.

Oil-Free Compressor Design for Dental Equipment

The KJ-1EW uses an oil-free compressor design, meaning lubricating oil is not introduced into the compression process during normal operation.

For a dental clinic, the compressor is only one part of the complete compressed-air system. Intake conditions, filtration, moisture management, receiver-tank maintenance, piping and connections also influence the air delivered to the treatment unit.

Oil-Free Does Not Mean Maintenance-Free

The oil-free compressor design removes the need for lubrication oil within the compression process, but the complete system still requires inspection and maintenance according to the applicable operating instructions.

65L/min Rated Airflow

The KJ-1EW provides a rated airflow of 65L/min. Airflow is one of the main parameters to consider when matching a dental compressor to a treatment unit because it indicates how much compressed air the compressor can deliver over time.

For a single-chair system, the dental chair and any air-driven instruments should be reviewed together. If their combined air demand exceeds the available compressor output during operation, tank capacity alone will not solve the sizing issue.

Key Capacity Figures

65L/min airflow + 32L receiver tank + one-chair application are the main capacity references for evaluating the KJ-1EW against a dental unit's compressed-air requirements.

32L Air Receiver Tank

The KJ-1EW is equipped with a 32L air receiver. The receiver stores compressed air and provides a buffer between compressor output and changing demand from the connected dental equipment.

Tank capacity should not be used alone to compare dental compressors. A larger tank does not automatically mean that a compressor can support more equipment. Airflow, pressure, equipment demand and expected operating pattern should be considered together.

7.5 Bar Pressure

The KJ-1EW has a pressure specification of 7.5 bar. The required air pressure at the dental unit should be checked against the treatment equipment specification before the compressor is installed.

Pressure available at the treatment unit can also be affected by piping length, internal diameter, fittings and other components between the compressor and dental chair.

65 dB Noise Level

The KJ-1EW has a specified noise level of 65 dB, providing a measurable reference when planning compressor placement within or near a dental treatment room.

Actual perceived sound inside a dental clinic can vary according to compressor location, room construction, ventilation, distance from the treatment area and vibration transmission.

Noise Planning Note

If acoustic performance is important to your project, consider both the 65 dB equipment specification and the planned installation environment when selecting the compressor location.

110V / 220V Electrical Configurations

The KJ-1EW is available in 110V/60Hz and 220V/50Hz configurations. Please specify the required version according to the destination market and clinic electrical supply before ordering.

Electrical installation should also take the compressor's 550W rated power into account and follow the applicable local electrical and equipment-installation requirements.

KJ-1EW Technical Specifications

KJ-1EW 32L Oil-Free Dental Air Compressor

Model

KJ-1EW

Product Type

Oil-free dental air compressor

Chair Configuration

One compressor for one dental chair

Tank Capacity

32L

Rated Power

550W

Rated Airflow

65L/min

Pressure

7.5 bar

Noise Level

65 dB

Voltage / Frequency

110V / 60Hz or 220V / 50Hz

Brand

FSKEJU

Packing Dimensions

Available upon request

Gross Weight

Available upon request

Is the KJ-1EW Suitable for Your Dental Chair?

The KJ-1EW is designed for one dental chair. For clinic planning, compare the compressor's 65L/min rated airflow and 7.5 bar pressure specification with the requirements of the treatment unit and connected air-driven equipment.

✓ Dental chair model: identify the treatment unit that will use the compressor.

✓ Required airflow: compare the chair and instrument demand with the KJ-1EW 65L/min output.

✓ Required pressure: check the dental unit's specified compressed-air inlet requirement.

✓ Air-driven instruments: consider the equipment that may operate during normal treatment.

✓ Pipe layout: account for pipe length, fittings and possible system pressure loss.

✓ Future expansion: if a second treatment unit may be added, consider whether a larger multi-chair compressor would be more appropriate.

Single-Chair vs. Multi-Chair Compressor Selection

The KJ-1EW is intended for a one-chair configuration, while our larger compressor models are available for installations serving multiple dental treatment units.

Selection Factor

KJ-1EW

Larger Multi-Chair Compressor

Clinic Layout

Single treatment chair

Several treatment chairs sharing one air source

Air Distribution

Dedicated connection to one chair

Shared distribution system

Sizing Priority

Single-chair airflow requirement

Combined and simultaneous airflow demand

Expansion Planning

Suitable when one-chair demand is expected to remain stable

Consider when several chairs or future expansion are planned

Installation Planning

The compressor should be installed in a location that provides suitable ventilation, access for inspection and maintenance, and an appropriate compressed-air route to the dental chair.

The installation area should also account for the 65 dB noise specification and avoid unnecessary restriction around the compressor that could affect ventilation.

The compressed-air line between the compressor and dental unit should be planned according to the treatment-room layout and equipment requirements.

Routine Compressor Maintenance

The KJ-1EW uses an oil-free compressor design, but routine equipment inspection remains necessary. Follow the operating and maintenance instructions supplied with the compressor.

The air receiver, drainage arrangement, filters where fitted, tubing connections, electrical components and ventilation condition should be inspected according to the applicable maintenance schedule.

For projects that require defined maintenance intervals or spare-part planning, please contact our team for the applicable manual and replacement-part information.

What to Confirm Before Ordering

✓ Dental chair requirement: check that the connected equipment is suitable for the KJ-1EW airflow and pressure specification.

✓ Voltage: specify 110V/60Hz or 220V/50Hz according to the destination market.

✓ Installation environment: consider ventilation, maintenance access and compressor noise.

✓ Air distribution: review piping and connection requirements between the compressor and dental chair.

✓ Packing information: request carton dimensions and gross weight where freight planning is required.

✓ Documentation: specify any technical or regulatory documents required for the destination market.

✓ Spare parts and service: clarify replacement-part and after-sales requirements for long-term equipment support.

Dental Air Compressors from FSKEJU

Founded in 2009 in Foshan, Guangdong, FOSHAN KEJU MEDICAL APPARATUS CO., LTD. designs, develops, manufactures and supplies dental equipment for clinics, distributors and equipment projects.

Our dental air compressor range includes single-chair and multi-chair configurations with different tank capacities and airflow specifications. We can assist with model selection according to treatment-unit quantity, compressed-air demand, electrical supply and installation conditions.

Browse our Dental Air Compressor category or learn more about our company and manufacturing background on the FSKEJU About page.

KJ-1EW Dental Air Compressor FAQ

How many dental chairs is the KJ-1EW designed for?

The KJ-1EW is designed as a one-for-one compressor for one dental chair. Final suitability should also be evaluated against the compressed-air requirements of the connected treatment unit and instruments.

What is the tank capacity of the KJ-1EW?

The KJ-1EW has a 32L air receiver tank.

What is the airflow of the KJ-1EW?

The rated airflow is 65L/min.

What is the power rating?

The KJ-1EW has a rated power of 550W.

Is the KJ-1EW oil-free?

Yes. The KJ-1EW uses an oil-free compressor design for dental compressed-air applications.

What is the noise level of the KJ-1EW?

The KJ-1EW has a specified noise level of 65 dB. Actual perceived sound after installation can also be influenced by room construction, ventilation, vibration transmission and compressor placement.

What voltage versions are available?

The KJ-1EW is available in 110V/60Hz and 220V/50Hz configurations. Please specify the required electrical version when ordering.

Can the KJ-1EW be used for two dental chairs?

The KJ-1EW is designed for one dental chair. If two treatment units require a shared compressed-air supply, select a compressor sized for the combined airflow demand rather than assuming that a one-chair model can support both units.

Request a KJ-1EW Compressor Quotation

Provide your dental chair model, destination market, required voltage, installation information and required quantity. Our team can then review the appropriate KJ-1EW configuration, packing information and order requirements with you.

Contact Us for KJ-1EW Product Information and Quotation →

Type:

One for One

AC Voltage:

110V/60Hz   220V/50Hz

POWER:

550W

FLORATE:

65L/min

NOISE:

65db

CUBAGE:

32L

PRESSURE:

7.5bar

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Phone

+86-18125620629
+86-15918070593
+86-13928297011

Address

2nd to 4th Floors, NO.3, Shangan Industrial Zone Ⅱ, Danzao Town, Nanhai District, Foshan Guangdong, 528216, China

About Us

FOSHAN KEJU MEDICAL APPARATUS CO.,LTD. was established in 2009. It is a professional manufacturer integrated in design, development, production and distribution of dental equipment.

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