Gardner Denver air compressor, established since 1859, is one of the a pioneering corporation in the air compressor industry global. With over 160 years of development, Gardner Denver is now among the leading corporations owning global assets brand ecosystem Kobelco 55 kW Air Compressor the world's largest and most diverse.

Robuschi – Gardner Denver 75kW Gardner Denver air compressor system outstanding with making it suitable for many, superior durability with stable operating capability under demanding industrial conditions. The equipment is widely used for machinery system automation, required areas high accuracy, as well as harsh or potentially hazardous working environment.

Thanks to advanced technology and strict production standards, Gardner Denver Air Compressor providing compressed air solutions Safe – efficient – ​​cost-effective operation for modern businesses.

Overview of Gardner Denver 2-stage screw air compressors

Gardner Denver air compressor it is a global brand with decades of experience in the field industrial compressed air, vacuum and gas treatment. The Nano central oxygen two-stage screw air compressor Gardner's Denver was developed for improve compression efficiency compared to traditional single-stage air compressors.

Instead of compressing air from atmospheric pressure to working pressure in just a short time one level, two-stage compression technology divides the compression process into two consecutive stageshelp:

• Reduce the heat generated during the compression process.
• Reduce the heat generated during the compression process
• Increase the overall performance of the system

The single-stage Gardner Denver 2-stage screw air compressor new generation, launched in 2000 2022, developed to optimize performance and maximize energy savings for businesses. Thanks to advanced two-stage compression technology, the device helps Reduce energy consumption by 25–30%. compared to traditional single-stage air compressors, it ensures a stable airflow for continuous production.

Typical specifications – Gardner Denver 2-stage screw air compressor

 

GDK200-355-2S Fixed Speed Performance
Model	Volume flow (m3/min)					Voltage	Dimensions (mm)			Weight (kg)
	7barg	8barg	10barg	12.5barg	14barg	V	L	W	H	Air-cooled	Water-cooled
GDK200-2S	41.5	38.8	36.2	/*	29.6	380	4000	1930	2146	5860	5720
						6000	4650	1930	2146	6660	6520
						10000	4650	1930	2146	7160	7020
GDK250-2S	49.2	47.4	44.2	/	36.4	380	4000	1930	2146	6030	5890
						6000	4650	1930	2146	6740	6600
						10000	4650	1930	2146	7280	7140
GDK315-2S	65	62.1	56.2	50.6	/	380	4000	1930	2146	7250	7350
						6000	4650	1930	2146	7450	7550
						10000	4650	1930	2146	8080	8180
GDK355-2S	70.1	67	60.5	54.2	/	380	4000	1930	2146	7660	7760
						6000	4650	1930	2146	8150	8250
						10000	4650	1930	2146	8870	8970

GDK200-355-2S-VSD Performance
Model	Volume flow (m3/min)					Voltage
	7barg	8barg	10barg	12.5barg	14barg	V
GDK200-2S-VSD	16.6-41.5	15.5-38.8	14.4-36.2	/*	11.8-29.6	380
GDK250-2S-VSD	19.6-49.2	18.9-47.4	17.6-44.2	/	14.5-36.4	380
GDK315-2S-VSD	26.0-65.0	24.8-62.1	22.4-56.2	20.2-50.6	/	380
GDK355-2S-VSD	28.0-70.1	26.8-67.0	24.2-60.5	21.6-54.2	/	380

Key features of the Gardner Denver 2-stage air compressor.

High performance – low noise
This machine combines efficient air compression with low noise levels, making it suitable for installation in environments requiring a quiet working space.

Advanced design – optimal cooling
Modern machine structure helps increase heat dissipation efficiency, saving installation space and easy to maintain and service.

Intelligent control system
The automatic controller monitors operation and error warnings displayed directly on the screen.This helps reduce the risk of sudden machine shutdown.

Ready for Industry 4.0 – Iconn connects remotely.
Platform integration Iconn IoT, allow remote machine monitoring and control via computer or phone.

Automatically stops when exceeding safe limits.
The intelligent protection system helps the machine. automatically shuts off in case of overheating or overpressure, ensuring absolute safety

High-performance cooling system
The new cooling design helps reduce energy consumption, maintaining a stable operating temperature.

Environmentally friendly – ​​easy to maintain
Using synthetic lubricantthis helps prevent scale buildup, extends equipment lifespan, and reduces maintenance costs

Save 25–30% on electricity
Thanks to technology two-stage compression, this allows businesses to optimize electricity costs in the long term.

Smart touchscreen display – Comprehensive system monitoring

The single-stage gardner Denver 2-stage oil-immersed screw air compressor equipped touchscreen with integrated IoT, displaying complete operational information:

• Machine operating pressure
• Operating temperature
• Instant error warning
• Total hours of operation under load and no load.
• Real-time compressed air flow
• Average daily/weekly flow chart
• System status overview
• Set up an automatic operating schedule.
• Record the machine stop history.
• Automatic restart after short-term power outage
• Inverter mode saves energy

Operating principle of a two-stage screw air compressor.

Gardner Denver 2-stage screw air compressor two independent screw assemblies:

• First compression stage: compressing gas from atmospheric pressure to an intermediate level
• Second compression stage: continue compressing the air from the intermediate level to the required working pressure.

Between the two compression stages there is usually a intermediate cooler, this helps reduce the air temperature before it enters the second compression stage. As a result:

• The compression process is close to isothermal compression than
• Reduce energy losses
• Increased compression efficiency compared to single-stage compressors

Why are two-stage air compressors more efficient than single-stage ones?

Compared to single-stage screw air compressors, the Gardner Denver two-stage compressor offers several distinct advantages:

• Save energy: reduces electricity consumption by 10–20% depending on operating conditions
• Lower compressor head temperature: reduce mechanical wear and tear
• Longer device lifespan
• Stable operation under heavy, continuous load

This is why two-stage compression technology is increasingly being chosen for these applications large-scale plant and central compressed air system.

Key advantages of the Gardner Denver 2-stage screw air compressor

• Superior compression performance
• Significant energy savings
• Low operating temperature
• Long compressor head lifespan
• Suitable for heavy and continuous load operation
• Gardner Denver is a globally reputable brand.

Practical applications

Gardner Denver two-stage screw air compressors are widely used in:

• Large-scale manufacturing plant
• Steel, cement, and chemical industries
• The plant operates 24/7
• Centralized multi-line compressed air system

According to feedback from the operating engineer, the system uses a two-stage compressor, which helps significantly reduced monthly electricity costs and operates more stably than traditional single-stage machines.