Shandong Hong Run Compressor Technology Co., Ltd

We produce 5 series oil-free air compressors, HB, HD, DE, HW, HY. HD and DE series oil-free air compressors apply DURR and FIAC 
heads. HY, HW and HB use our own Hongrun heads, and HB head is designed by America technology, manufactured by Hungrun company.
CHRACTERISTICS:
OIL-FREE: Don't need any lubricated oil, output air without any oil, protect air appliances.
ANTIRUST TANK: Both outside and inside of tank are coated with spraying, which ensures clean air and avoided corrosion.
SAFETY USING: Air compressors equipped with self-protection device, when voltage isn't stable or have other abnormal condition, can self-protect, automatic reset when temperature is lower.

AUTOMATIC ADJUSTMENT: High quality pressure switch used to control the power of air compressor automatically by adjustment of pressure level.
SIMPLE OPERATION: Using directly when connecting with power.
EASY MAINTANANCE: No need any lubricated oil.
RELIABLE QUALITY: Apply three phases motors, lower faults rate, direct current piston, extend longer life.
Can be equipped with silence box, drying system, filtering system, drying degree can reach to **0 degree, filtering accuracy can reach to 0.*1μm.

Various specifications of our products can be equipped with wooden and steel mute tank to decrease noise, with air dryer to remove water in the compressed air. Dental oil-free air compressors are made up of pressure switch, gas tank, filter, valve, pipe, electric circuit and control system.

Main functions as following:
Main host machine applies monopole, special and new oil free compressor, making compressed air.
1. Pressure switch is used to adjust pressure and control, ensuring compressor start automatically and stop within certain pressure range.
2. Gas tank: Store compressed air to guarantee offering compressed air stably.
3. Filter: Installed at the entrance of compressor, filtering impurities in the air.
4. Pipe and valve: Control connection air pipe.
5. Electric circuit and control system: Control starting and operating of compressor.