All Dynamic products are qualified by series certifications to ensure

high quality, please be assured the purchase.
1. As the qualified manufacturer of medical equipments in China, we

owned the certifications as following:
1.1 Industry Production License issued by Chinese Government.
1.2 Medical Device Manufacturing Enterprise License issued by State

Food and DrugAdministration
1.3 Medical Device Product Registration Certificate issued by State

Food and Drug Administration
2. To meet the demand of high quality products and services from

European and American markets, we owned the certifications as

following:
2.3 German TUV Medical CE Certification
CHARACTERISTICS:
●OIL FREE: Do not need any lubricated oil, and harmless to the human

body.
●SUPER SILENT: Noise level lower than 56DB(A) to reduce noise

pollution.
●MULTI-PHASE FILTERATION:Advanced multi-phase filtration to ensure

extremely clean air,and lengthen
service life.
●SAFETY USING: Air compressor motors equipped with thermal prevention

deviceto avoid overheating and
protect motors.
●CLEAN TANK: All air receiver tanks have internal epoxy coating

applied to avoid corrosion.
●AUTOMATIC ADJUSTMENT: High quality pressure switch used to control

the power of air compressor automatically by adjustment of pressure

level.
●PRESSURE ADJUSTMENT: Working pressure could be adjusted to meet the

demand of different supporting equipments.
●HIGH DURABILITY:Serviceable time exceeds 20,000 hours.
●SIMPLE OPERATION:Using directly when connecting with power.
●EASY MAINTANANCE: No need ofany lubricated oil.

All Dynamic products are qualified by series certifications to ensure

high quality, please be assured the purchase.
1. As the qualified manufacturer of medical equipments in China, we

owned the certifications as following:
1.1 Industry Production License issued by Chinese Government.
1.2 Medical Device Manufacturing Enterprise License issued by State

Food and DrugAdministration
1.3 Medical Device Product Registration Certificate issued by State

Food and Drug Administration
2. To meet the demand of high quality products and services from

European and American markets, we owned the certifications as

following:
2.3 German TUV Medical CE Certification
CHARACTERISTICS:
●OIL FREE: Do not need any lubricated oil, and harmless to the human

body.
●SUPER SILENT: Noise level lower than 56DB(A) to reduce noise

pollution.
●MULTI-PHASE FILTERATION:Advanced multi-phase filtration to ensure

extremely clean air,and lengthen
service life.
●SAFETY USING: Air compressor motors equipped with thermal prevention

deviceto avoid overheating and
protect motors.
●CLEAN TANK: All air receiver tanks have internal epoxy coating

applied to avoid corrosion.
●AUTOMATIC ADJUSTMENT: High quality pressure switch used to control

the power of air compressor automatically by adjustment of pressure

level.
●PRESSURE ADJUSTMENT: Working pressure could be adjusted to meet the

demand of different supporting equipments.
●HIGH DURABILITY:Serviceable time exceeds 20,000 hours.
●SIMPLE OPERATION:Using directly when connecting with power.
●EASY MAINTANANCE: No need ofany lubricated oil.

AC21 Silent Oilless, 1 for 1

Rated Voltage: 220VAC 50Hz 
Current: 2.4A 
Power: 545W 
Volume flow: 70L/min 
Actuating pressure: 0.5Mpa 
Rated exhaust pressure: 0.77Mpa 
Gas holder volume: 32L 
Noise: 55-62dB 
Weight: 32kg 
Packing dimensions: 42*42*68 cm