AERZEN Delta Screw E-Compressor: The Ultimate Oil-Free Air Blower Solution in Thailand

TL;DR

AERZEN Delta Screw E-Compressor: Oil-Free Air Blowers in Thailand

Quick Answer

The AERZEN Delta Screw E-Compressor is a variable-speed, oil-free screw blower optimised for energy efficiency — delivering up to 30% lower energy consumption versus conventional blowers at typical wastewater aeration pressures. It meets ISO 8573-1 Class 0 oil-free air quality standards and is available for rental in Thailand through AERZEN Rental Thailand’s Subscription Plan.

AERZEN Delta Screw E-Compressor is an industry-leading innovation in compression technology with direct drive precision and unparalleled customization — exceptional efficiency and versatility for industrial applications in Thailand

Contact our engineers for a free consultation.

Written byParadorn WannasungMaster’s in Marketing Communication · AERZEN Rental Thailand

AERZEN Delta Screw E-Compressor: Oil-Free Air Blowers in Thailand

Energy Savings: Up to 6% more efficient than conventional compressors
Oil-Free Performance: 100% oil-free compression certified by ISO 8573-1 Class 0
Durability: Built to handle extreme conditions with low maintenance needs
Versatility: 350 to 15,000 m³/h volume flow, -850 to 3,500 mbar differential pressure
Adaptability: Air, neutral gases, and aggressive gases

Versatile Applications

Criterion	Delta Screw E-Compressor	Conventional Blower + External VFD
Drive integration	Factory-integrated, optimised	Separate sourcing, field tuning
Energy efficiency	Up to 30% better vs. Roots	Variable — depends on VFD match
ISO 8573-1 Class 0	Yes — by design	Depends on blower type
Installation complexity	Low — single package	Higher — separate wiring/tuning

Note: energy savings vary by operating pressure, flow profile and site conditions.

Pneumatic transport of powders, pellets, and ashes
Vacuum generation for glass manufacturing
Air/gas mixing systems
Instrument-grade air supply
Flue gas desulfurization for power plants
Fermentation and biogas production
Blast air for nonwoven fabric manufacturing

Technical Specifications (Summary)

Specification	Details
Volume Flow	350 to 15,000 m³/h
Differential Pressure	-850 to 3,500 mbar
Compression	Oil-Free (ISO 8573-1 Class 0)
Medium	Air, Neutral Gases, Aggressive Gases
Energy Efficiency	Up to 6% more efficient

Full technical specifications available from AERZEN Group product page

Performance Tables: Negative Pressure

Series	Pressure (mbar)	Volume Flow (m³/h)	Motor (kW)	Sound (dB(A))	Connection	Weight (kg)
VML 35 G5-E	-850	1,710	160	73	DN 150	2,000
VML 60 G5-E	-850	3,690	250	79	DN 200	3,100
VML 95 G5-E	-850	6,000	355	79	DN 250	4,400
VML 150	-850	8,220	560	84	DN 300	9,000
VML 250	-850	12,000	800	84	DN 400	11,600

Performance Tables: Positive Pressure

Series	Pressure (mbar)	Volume Flow (m³/h)	Motor (kW)	Connection	Weight (kg)
VM 30 G5-E	3,500	2,040	160	DN 150	1,950
VML 35 G5-E	2,000	2,600	160	DN 150	2,000
VM 45 G5-E	3,500	3,250	250	DN 150	3,000
VML 60 G5-E	2,000	4,550	250	DN 200	3,100
VM 75 G5-E	3,500	4,780	400	DN 200	4,300
VM 85	3,500	6,760	560	DN 200	6,000
VML 95 G5-E	2,000	7,000	355	DN 250	4,400
VM 100 G5-E	3,500	7,620	630	DN 250	7,000
VM 140	3,500	10,700	800	DN 250	8,500
VML 150	2,000	10,630	560	DN 300	9,000
VML 250	2,000	15,000	800	DN 400	11,600

Frequently Asked Questions

Why choose AERZEN Delta Screw E-Compressor?

Exceptional efficiency, durability, and versatility for industrial applications requiring oil-free air compression — with energy savings up to 6% over conventional compressors

What rental services does AERZEN Rental Thailand offer?

Subscription Plan, Industrial Blower Rental, and Compressor Rental services. Range includes Screw Blowers, Root Blowers, and Oil-Free Air Compressors

How does Delta Screw E-Compressor support sustainability?

6% energy efficiency improvement over conventional compressors plus oil-free operation that eliminates contamination risk — contributing to cleaner manufacturing

Engineering consultation

Discuss your application with AERZEN Rental Thailand

Frequently Asked Questions — AERZEN Delta Screw E-Compressor

What is the AERZEN Delta Screw E-Compressor?

The Delta Screw E-Compressor is AERZEN’s name for the variable-speed integrated drive version of the Delta Hybrid Screw Blower — the “E” denoting the integrated electronic (variable speed) drive system. This integration of the VFD into the package eliminates the need for a separate external inverter, simplifying installation and optimising the motor-VFD-blower combination for maximum efficiency at all operating points. The result is a compact, energy-optimised, oil-free blower package for wastewater and industrial process air applications.

How does the integrated VFD improve energy efficiency?

An integrated (factory-optimised) VFD-motor-blower combination achieves better efficiency than a separately sourced VFD connected to a standard motor blower because: motor and VFD parameters are tuned at the factory for the specific blower load profile; cable losses between motor and VFD are minimised; harmonic filtering is integrated; and the control algorithm is optimised for the blower’s operating curve. Combined with the Delta Hybrid screw-turbo rotor geometry, the E-Compressor delivers energy savings across the full speed range.

Is the Delta Screw E-Compressor suitable for wastewater aeration in Thailand?

Yes. The Delta Screw E-Compressor is well-suited for biological wastewater treatment aeration in Thailand’s municipal and industrial wastewater plants. Its oil-free Class 0 design eliminates any risk of oil contamination in aeration basins. The variable-speed drive matches air delivery precisely to diurnal dissolved oxygen demand — reducing energy waste during low-demand periods. Several wastewater plants in the Asia-Pacific region have documented energy savings after switching from conventional blowers to AERZEN’s screw blower technology. Contact AERZEN Rental Thailand to discuss your application.

Can the Delta Screw E-Compressor be rented for a trial period?

Yes. AERZEN Rental Thailand offers short-term and long-term rental of the Delta Hybrid/E-Compressor series, as well as the all-inclusive Subscription Plan. A trial rental allows your engineering team to measure actual energy consumption versus your existing blower under real operating conditions — providing solid data before any capital expenditure decision. Contact: 098-323-2626 or thai@aerzenrental.com.

What is the difference between Delta Screw E-Compressor and Delta Hybrid Screw Blower?

Both use the same screw-turbo hybrid rotor geometry and deliver Class 0 oil-free air. The key difference is the drive system: Delta Hybrid Screw Blower refers to the standard package (motor + external VFD or direct on-line start option); Delta Screw E-Compressor refers specifically to the integrated-drive version where the VFD is factory-mounted within the package. The E-Compressor variant offers simpler installation, factory-optimised motor-VFD parameters, and a more compact installation footprint. Both are available through AERZEN Rental Thailand.

Email: thai@aerzenrental.com | Phone: +66 (0)98 323 2626

About the Author

Paradorn Wannasung

Master’s in Marketing Communication

Marketing Communication Specialist at AERZEN Rental Thailand — covering technical content for industrial oil-free blower and compressor rental, ISO 8573-1 Class 0 standards, and engineering applications | LinkedIn: Profile

Last reviewed: 2026-05-13