In industries that require absolutely clean compressed air, free from oil contamination, choosing a high-quality oil-free air compressor is crucial. Ingersoll Rand Sierra Series 37–150 kW Oil-Free Screw Air Compressors designed to supply compressed air Class 0 – 100% oil-free, combining superior energy efficiency, high reliability, and the ability to operate continuously in the most demanding production environments.

Introducing the Ingersoll Rand brand.

Gardner Denver – Ingersoll Rand group established in 1871 in the United States, with more 140 years of formation and development in the field of air compressors and industrial compressed air solutions, the company designs and manufactures a diverse range of high-performance air compressors serving numerous industries worldwide.

Ingersoll Rand's solutions are developed based on in-depth technical knowledge with years of practical experience in the field of compressed air. Thanks to this, the company continuously integrates advanced technology with innovative design, nhằm tối ưu generation technology, production efficiency with system durability.

The focus of Ingersoll Rand's development is building reliability for each component of the air compressor, creating market-leading systems in technology, quality, and performance, superior to competitors in the same segment.

2020, Gardner Denver air compressor with Gardner Denver – Ingersoll Rand group officially merged, formed world's leading corporation in the field air compressors, vacuum pumps, blowers, and industrial equipment. This merger opens up a comprehensive solutions ecosystem, delivering exceptional value to global customers.

Overview of Ingersoll Rand Sierra series 37-150 kW oil-free screw air compressors

Ingersoll Rand oil-free screw air compressor provides a power range from 37 to 150 kW, offering flexibility to meet the demands of a wide range of industrial applications. 100% clean, oil-free compressed air. This is an ideal choice for the food, pharmaceutical, electronics, coatings, and precision manufacturing industries.

The Sierra line is equipped Xe-145 microprocessor controller, this allows for real-time monitoring and optimization of the entire compressed air system. Thanks to its integrated data analysis and intelligent diagnostic capabilities, the device helps... reduce electricity consumption, increase operational reliability with improve overall performance.

The machine is designed with high-grade stainless steel componentsin critical long lifespan, corrosion resistance, and withstands extreme temperature and pressure conditions. This not only enhances the device's durability but also significantly reduces maintenance costs throughout the operational lifecycle..

Suitable for:
The plant requires oil-free compressed air, continuous operation, high air quality standards, and optimized energy costs.

Technical specifications of Ingersoll Rand Sierra series oil-free air compressors

Model	Frequency (Hz)	Nominal Power KWhp	CAPACITY-FAD m3/min (cfm)	Rated Pressure bar g (psig)	L X W X H cm (in) AIR-Cooled/Water-Coole	Weight KG (LB) AIR-Cooled/Water-Coole
SL37	50	37 (50)	6.0 (212)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2387 (5263) / 2410 (5314)
SL45	50	45 (60)	7.7 (272)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2248 (5506) / 2520 (5556)
SL55	50	55 (75)	9.6 (339)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2577 (5682) / 2600 (5733)
SL75	50	75 (100)	12.7 (448)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2682 (5914) / 2705 (5965)
SM37	50	37 (50)	5.1 (180)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2387 (5263) / 2410 (5314)
SM45	50	45 (60)	6.5 (230)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2248 (5506) / 2520 (5556)
SM55	50	55 (75)	8.8 (311)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2577 (5682) / 2600 (5733)
SM75	50	75 (100)	11.6 (410)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2682 (5914) / 2705 (5965)
SH55	50	55 (75)	7.7 (272)	10.0 (150)	225 (89) x 137 (54) x 192 (75)	2577 (5682) / 2600 (5733)
SH75	50	75 (100)	10.7 (37)	10.0 (150)	225 (89) x 137 (54) x 192 (75)	2682 (5914) / 2705 (5965)
L50	60	37 (75)	6.1 (216)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2318 (5110) / 2318 (5110)
L60	60	45 (60)	7.6 (268)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2433 (5364) / 2433 (5364)
L75	60	55 (75)	9.5 (336)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2433 (5364) / 2433 (5364)
L100	60	75 (100)	12.0 (424)	7.0 (100)	225 (89) x 137 (54) x 192 (75)	2495 (5500) / 2495 (5500)
H50	60	37 (75)	5.3 (186)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2318 (5110) / 2318 (5110)
H60	60	45 (60)	6.6 (232)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2433 (5364) / 2433 (5364)
H75	60	55 (75)	8.2 (290)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2433 (5364) / 2433 (5364)
H100	60	75 (100)	11.6 (411)	8.5 (125)	225 (89) x 137 (54) x 192 (75)	2495 (5500) / 2495 (5500)
HH75	60	55 (75)	7.6 (268)	10.0 (150)	225 (89) x 137 (54) x 192 (75)	2433 (5364) / 2433 (5364)
HH100	60	75 (100)	11.1 (390)	10.0 (150)	225 (89) x 137 (54) x 192 (75)	2495 (5500) / 2495 (5500)

Why are oil-free screw air compressors needed in modern industry?

In many manufacturing industries, even a tiny amount of oil in compressed air can:

• Make the gas stream and contaminate the product.
• This can serious error in the production line
• Impact consumer health
• This causes significant economic damage and harms brand reputation.

Ingersoll Rand Sierra Series oil-free screw air compressors completely eliminate this risk through their design do not use oil in the compression chamber, ensuring clean compressed air right from the source.

Oil-free screw technology – The heart of the Sierra Series

Sierra Series air compressors use Oil-Free Screw Element offering:

• High-precision machining
• Special anti-wear coating
• No lubrication is required in the compression chamber.

Nhờ đó:

• Compressed air output 100% oil-free
• Compression performance remains stable over time.
• Reduce downstream compressed air treatment costs.
• Increase the reliability of the entire system.

Key advantages of Ingersoll Rand Sierra oil-free screw air compressors

• Absolutely clean compressed air – Class 0
• No risk of oil contamination.
• High energy efficiency
• Continuous operation, superior reliability.
• Reduce downstream compressed air treatment costs.
• Ingersoll Rand is a globally reputable brand.

Practical applications of Ingersoll Rand Sierra oil-free screw air compressor

Ingersoll Rand Sierra Series oil-free screw air compressors are widely used in:

• Food & Beverage Industry
• Pharmaceutical and healthcare industry
• Electronics and semiconductor industry
• Chemical and coatings industry
• Production requires strict ISO standards.

According to the operations engineer's assessment, the Sierra Series helps completely eliminate the risk of oil contamination, reduces product defects and improves the stability of the production line.

Guide to choosing the right Sierra Series air compressor

Businesses should determine:

• Required compressed air flow rate
• Working pressure
• Production line scale
• Compressed air quality standards

Choose the right power rating within the range 37–150 kW helps optimize investment efficiency and long-term operating costs.

Why should you buy Ingersoll Rand Sierra Series air compressors from Phuc Hung?

• Practical experience in implementing an oil-free compressed air system.
• Providing advice on the right capacity, standards, and application.
• Provide Genuine Ingersoll Rand Sierra Series air compressors
• Transparent technical service, warranty, and after-sales support.

Are you looking for Ingersoll Rand Sierra Series 37–150 kW oil-free screw air compressors to meet the requirement for absolutely clean compressed air for the factory?
👉 Contact carried out maintenance and oil sludge (varnish) removal for for in-depth technical advice, to choose the right model, and to receive the most competitive price quote for your system.