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Oil-injected Rotary Screw Compressor
Oil-injected Rotary Screw Compressor (Direct Driven)

Direct-driven screw air compressor
Direct drive transmission - The best transmission mode of air compressor

Oil-injected Rotary Screw Compressor (Direct Driven)

Characteristics of Direct Drive Screw Air Compressor

Features easy installation, operation and maintenance, high corrosion resistance, and oil pollution prevention;
Ensures improved efficiency and energy saving due to the compact structure and high transmission efficiency;
With accurate transmission, the damping vibration isolating characteristic effectively eliminates the vibration and impact caused by the air end.
The operation cost of the direct drive screw compressor is higher than the one with belt transmission.

Benefits of Direct Drive

Efficiency
The gear driven efficiency can reach up to 98%-99%, and the belt driven efficiency is 94%-98%.
No-load Power Consumption
For gear transmission, the no-load pressure is generally maintained at more than 2.5bar. For direct drive and belt drive, the no-load pressure can theoretically be 0 bar. In order for high operation safety, the pressure should be maintained at 0.5 bar.
Installed Air Compressor Pressure Change
Customers are allowed to easily change the installed air compressor pressure according to the actual production requirements.
Maintenance and Repair Cost
It is easy to change the seal of the direct drive, only need to replace the coupling, saving maintenance and repair costs.

Model	Power kw	Air Displacement m³/min	Pressure MPa	Dimensions (L×W×H) mm	Weight Kg	Speed RPM	Noise Level dB (A)	Air Outlet Size
JF-10AZ	7.5	1.2	0.7	1000x700x830	210	1470	65 ±2	G½"
		1.1	0.8
JF-15AZ	11	1.8	0.7	1050x750x1000	380	2920	67 ±2	G¾"
		1.7	0.8
JF-20AZ	15	2.4	0.7	1050x750x1000	400	2920	67 ±2	G¾"
		2.3	0.8
		1.8	1
		1.7	1.2
JF-25AZ	18.5	3.2	0.7	1380x850x1160	510	2940	69 ±2	G1"
		3	0.8
		2.6	1
		2.5	1.2
JF-30AZ	22	3.8	0.7	1380x850x1160	520	2940	70 ±2	G1"
		3.6	0.8
		3.1	1
		2.9	1.2
JF-40AZ	30	5.2	0.7	1380x850x1160	610	2950	72 ±2	G1"
		5	0.8
		4.2	1
		4	1.2
JF-50AZ	37	6.7	0.7	1500x1000x1320	750	2950	72±2	G1½"
		6.2	0.8
		5.2	1
		5	1.2
JF-60AZ	45	7.4	0.7	1500x1000x1320	760	2950	74 ±2	G1½"
		7	0.8
		6.3	1
		6	1.2
JF-75AZ	55	10	0.7	1900x1250x1600	1200	2970	76 ±2	G2"
		9.6	0.8
		8	1
		7.6	1.2
JF-100AZ	75	13	0.7	2000x1250x1670	1350	2970	76 ±2	G2"
		12.6	0.8
		11	1
		10.5	1.2
JF-120AZ	90	16	0.7	2000x1250x1670	1570	2970	78 ±2	G2"
		15	0.8
		13	1
		12.5	1.2
JF-150AZ	110	21	0.7	2500x1470x1840	2150	2970	78 ±2	G2½"
		19.8	0.8
		17	1
		16.4	1.2

Model	Power kw	Air Displacement m³/min	Pressure MPa	Dimensions (L×W×H) mm	Weight Kg	Speed RPM	Noise Level dB(A)	Air Outlet Size
JF-175AZ	132	24.5	0.7	2500x1470x1840	2190	2970	78 ±2	G2½"
		23.2	0.8
		20	1
		19.4	1.2
JF-200AZ	160	28.7	0.7	3000x1700x1840	2650	2970	81 ±2	G2½"
		27.6	0.8
		23.5	1
		22.8	1.2
JF-250AZ	185	32	0.7	3000x1700x1840	2720	2975	81 ±2	G2½"
		30.4	0.8
		27.4	1
		26.8	1.2
JF-270AZ	200	34.2	0.7	3200x1980x2150	4150	2975	83 ±2	G3"/DN100
		33.3	0.8
		30	1
		29.2	1.2
JF-300AZ	220	34.3	0.8	3200x1980x2150	4150	2975	84 ±2	G3"/DN100
		30	1
		29.2	1.2
JF-350AZ	250	42	0.7	3200x1980x2150	4500	2980	84 ±2	G3"/DN100
		40.5	0.8
		36.2	1
		35.5	1.2
JF-430AZ	315	51	0.7	3650x1980x2150		2980	86 ±2	DN110
		50.2	0.8
		41.5	1
		40.5	1.2
JF-480AZ	355	65.2	0.7	3650x1980 x215C		2980	88 ±2	DN125
		62	0.8 1
		54.5	1
		46.8	1.2
F-540WZ	400	73.5	0.7	3200x1980x2150		2980	88 ±2	DN150
		72	0.8
		63.1	1
		54.2	1.2

Guangdong Jufeng Manchinery Manufacturing Co., Ltd. is a professional air compressor manufacturer, dedicated to air compressor researching, developing, and manufacturing. We have our very own factory. It is equipped with 12 advanced production lines, with a production output of about 40000 (of kinds of products) per year. At Jufeng, we stand for industry-leading quality in air compressors. In nearly every industry driven by compressed air technology, our reputation speaks for itself. You will find Jufeng air compressors raising the bar for performance and emerging as a leader in the industry. Designed to deliver reliable, stable pressure, low operating and maintenance costs, and ongoing energy savings, Jufeng products are a great choice for any growing business.

Direct-driven screw air compressor Direct drive transmission - The best transmission mode of air compressor

Direct-driven screw air compressor
Direct drive transmission - The best transmission mode of air compressor