China manufacturer Oil free screw air blower/small electric blower for sale   Product Description   The core technology is derived from our research and desig center in North America.It adopts the Y-4 modied lines of oil free screw free screw blower which is invented by Dr.Yan,who is the world famous compressor expert.Compared with roots blower ,our screw blower can save up to 35% of energy.Super  energy saving design philosophy,perfect quality and manufacturing technique processing and testing facilities guarantee that products reach at the world leading level with high energy-efficient and realiability. Specifications Screw air end, No oil, Energy saving  oil free screw blower   We are the sole manufactory in China who can produce oil free screw air blowers currently.   1. 100% oilfree    2. screw air end   3. 35% energy save compare with root air blowers   4. 4 times life than roots air blower   5. more efficiency and lower noise   6. higher pressure, lower  pressure fluctuation   7. Roots air blowers have no  internal compression     Technical Parameter      

Gear Radio		A	B	C	D	E	F	G	H	I	J
	0.6bar(e)noise	dB(A)	74	74	75	75	75	76	76	77	78	78
	FAD Flow	L/S	224	274	325	357	417	455	507	542	589	627
		m³/h	806	986	1172	1321	1500	1638	1824	1948	2119	2257
0.3bar(e)	Air temprature	°C	54	53	53	53	53	53	53	53	54	54
	shaft power	kw	8.7	10.3	12.1	13.8	16	17.7	20	21.6	23.9	26
	Motor power	kw	11	15	15	18	22	22	30	30	30	30

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