Compressed Air Compressor Oil free Centrifugal Air Compressor for Industry

Power:	15KW~450KW
Pressure:
Machine Type:	8m³/min~484m³/min
Warranty:	One year for the air compressor and two years for the head.
Service:	Configuration, Parameters can be customized.
OEM&ODM.

An oil-free centrifugal air compressor is an advanced solution designed for industries that require clean, high-quality compressed air without the risk of oil contamination. Theseare ideal for applications where air purity is critical, such as in the food and beverage, pharmaceutical, electronics, and chemical industries.

Compressed Air Compressor Oil free Centrifugal Air Compressor for Industry

The air-suspended centrifugal compressor is a single-stage centrifugal compressor that does not require a gearbox, speed increaser, or coupling. It is directly driven by a high-speed permanent magnet synchronous motor (PMSM), and the motor is controlled by a variable frequency drive(VFD) for speed regulation. The impeller of the compressor is directly coupled to the motor, and the shaft is sus pended on an active air bearing.

High-speed permanent magnet synchronous motor

• lt adopts a high-efficiency permanent magnet synchronous motor (PMSM) with an efficiency≥96%;
• Compact in size;
• lt can achieve precise speed control, up to a maximum of 100,000r/min;
• The motor shaft is directly connected to the impeller, with a trans mission efficiency of 100%;
• The insulation class is H class (maximum temperature res istance of 170*C);
• The motor pole number is 2 poles, suitable for a power supply of AC380V/50Hz

Impeller

• lt is made of high-hardness heat-treated aviation aluminum AL7075 (aviation aluminum) ;
• lt is precisely manufactured through 5-axis machining center, with tolerances kept below 5/1000millimeters; The surface is smooth and clean, and it has higher efficiency compared to cast impellers; LE+R
• lt has high strength, suitable for harsh working conditions of high temperature and high pressure;
• lt is lightweight, with low power consumption;
• The direct connection between the impeller and the shaft can achieve a power transmission efficiency of 100%.

Air bearing

• An air bearing utilizes high-speed centrifugal force to suspend itself.
• lt has a simple structure and does not require auxiliary devices such as lubricating oil supply;
• lt works on a non-contact basis, with no need for maintenance or repair;
• The bearing operates without vibration.

Efficient cooling system

We use a dual-stage air-cooling and self-cooling method with the latest technology, and set up separate air flowchannels inside and outside the main unit in a reasonable and ingenious way to maximize the cooling of themain unit. This ensures that the blower system can still operate steadily and reliably even in hot summers.

Features

●Contactless operation, meaning no mechanical bearings that can wear out or fail.

●Low noise output due to minimal wear and vibration.

●High efficiency and energy-saving, thanks to minimal friction loss and the ability to achieve precise. control through frequency conversion speed regulation. ●High reliability with low maintenance costs and a long service life.

●Thehas a simple structure, does not require traditional mechanical bearings, and is easy to maintain.

●A substitute for Roots blower with smaller power consumption, longer service life, and lower maintenance cost.

Product Model

Model	Type	AirDelivery(m-/min)			MotorPower (KW)	Outlet Connection	Dimension (mm)	Weight (Kg)
										1
ST-XLCB20	Singleimpeller	16	14	13	11	8	15	DN150	700×1600×1380	430
ST-XLCB30	Singleimpeller	32	21	20	18	13	22	DN150	700×1600×1380	430
ST-XLCB50	Singleimpeller	47	35	32	29	23	37	DN150	700×1600×1380	470
ST-XLCB60	Singleimpeller	55	41	38	35	27	45	DN200	850×1775×1670	620
ST-XLCB75	Singleimpeller	75	52	48	43	35	55	DN200	850x1775x1670	620
ST-XLCB100	Singleimpeller	95	70	63	56	46	75	DN200	850×1775×1670	630
ST-XLCB120	Singleimpeller	120	86	79	71	53	90	DN200	850×1775×1670	650
ST-XLCB150	Singleimpeller	150	106	96	85	68	110	DN300	1250×1975×1880	1150
ST-XLCB200	Singleimpeller	190	141	126	110	88	160	DN300	1250×1975×1880	1200
ST-XLCB250	Singleimpeller	218	165	151	136	105	185	DN300	1250×1975×2080	1350
ST-XLCB300	Doubleimpeller	248	212	189	166	135	220	DN400	1300×2475×2200	1900
ST-XLCB400	Doubleimpeller	331	283	252	221	177	300	DN400	1300×2475×2200	2150
ST-XLCB500	Doubleimpeller	434	339	302	265	211	365	DN500	1600×2500×2250	2600
ST-XLCB600	Doubleimpeller	484	399	356	313	249	450	DN600	2100×2700×2250	3300

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