Crownwell Oil-Free Variable Frequency Driven Compressor

• Lubrication Style: Oil-free
• Cooling System: Air Cooling
• Power Source: AC Power
• Cylinder Position: Vertical
• Structure Type: Closed Type
• Installation Type: Stationary Type
• Model NO.: CW7 OF VSD-CW250 OF VSD
• Type: Single Screw Compressor
• Transport Package: Standard Seaworthy
• Specification: 7.5-250 kW
• Trademark: Crownwell
• Origin: China
• HS Code: 841480
• Production Capacity: 500units/Month

Product Description

Crownwell 100% Oil-Free Water-Injected Rotary Screw Compressors
CW 7-250 OF/CW 7-250 OF VSD/ CW 7-132 OF LP/CW 7-160 OF PM  (7.5-250 kW/10-340 hp) 

OIL FREE - THE HIGHEST STANDARD

Oil-free air is used in all kinds of industries where  air quality is paramount for the end product and production process. These applications include electronics, food and beverage processing, pharmaceutical manufacturing, chemical and petrochemical processing, fermentation, wastewater treatment, pneumatic conveying, non-woven textile manufacturing and many more.

VSD&PM: DRIVING DOWN ENERGY COSTS
Over 80% of a compressor's lifecycle cost is taken up by the energy it consumes. Moreover, the generation of compressed air can account for more than 40% of a plant's total electricity bill. To drive down your energy costs, Crownwell pioneers Variable Speed Drive (VSD) and Permanent Magnetic (PM) technologies in the compressed air industry. VSD&PM lead to major energy savings, while protecting the environment for future generations. Crownwell offers a wide range of integrated VSD&PM compressors in the market

Flowchart



OIL-FREE VARIABLE FREQUENCY DRIVEN COMPRESSOR


TECHNICAL SPECIFICATIONS CW 7-250 OF VSD
 

Model	Motor Power kW / hp	Free Air Delivery m3/min			Noise Level dB(A)	Dimension L * W * H mm	Weight Kg
		7barg	8barg	10barg
CW7 OF	7.5 / 10	1.2	1.1	1.0	58	1100*800*1000	500
CW11 OF	11 / 15	1.6	1.5	1.3	58	1100*800*1000	520
CW15 OF	15 / 20	2.4	2.3	2.0	60	1130*900*1040	550
CW18 OF	18.5 / 25	3.1	2.8	2.5	61	1400*1000*1200	600
CW22 OF	22 / 30	3.7	3.4	3.0	61	1400*1000*1200	655
CW30 OF	30 / 40	5.2	4.7	4.3	64	1920*1170*1320	1150
CW37 OF	37 / 50	6.1	5.6	5.0	64	1920*1170*1320	1200
CW45 OF	45 / 60	7.5	6.8	6.0	66	1920*1170*1320	1320
CW55 OF	55 / 75	10.0	9.0	7.8	66	1930*1320*1535	1520
CW75 OF	75 / 100	13.0	12.0	10.0	70	1930*1320*1535	1620
CW90 OF	90 / 125	15.5	14.0	12.5	70	1930*1320*1535	1800
CW110 OF	110 / 150	20.0	18.0	16.0	72	2150*1600*1680	3100
CW132 OF	132 / 180	25.0	23.0	20.0	72	2150*1600*1680	3250
CW160 OF	160 / 215	27.0	25.5	24.0	72	2860*1500*1750	4500
CW185 OF	185 / 250	30.0	28.0	25.0	74	2860*1500*1750	4600
CW200 OF	200 / 270	36.0	33.0	27.0	74	2860*1500*1750	4700
CW250 OF	250 / 340	43.0	41.0	38.0	74	3320*1600*1840	5200

 

• Unit performance measured according to ISO 1217, Annex C, Edition 4 (2009)

Reference conditions:
-Relative humidity 0%
-Absolute inlet pressure: 1 bar (a) (14.5 psi)
-Intake air temperature:  20°C, 68°F

• Noise level measured according to ISO 2151:2004, operation at max. operating pressure and max. speed; tolerance: ±3 dB(A)
• OF-Oil-free