Screw Blowers Screw Blower
Delta Hybrid direct driven

The new Delta Hybrid direct driven sizes are the technological evolution of the AERZEN screw blower series. The future has just begun thanks to a super efficient newly designed stage with 3+4 rotors profile and a new drive concept for low pressure applications, a reduced footprint with side by side installation, a no-space adder Plug & Play solution with integrated starter, possibility to install IE5 motors and extended turndown ratio up to 1:5. Let yourself be surprised at how easy and cost-saving it is to generate low pressure compressed air.

Volume flow:
235,44 to 2,825,28 CFM

Differential pressure (Δp):
4,35 to 18,13 psi

Medium:
Air

Conveying / Compression:
Oil-free

The advantages of AERZEN direct driven Screw Blowers at a glance:

Highest energy efficiency
Reduced life cycle costs
Direct drive by means of gears for future-oriented motor use
High reliability and durability also under extreme conditions
Largest volume flow control range
Reduced maintenance

A single machine design that fits every single application.

AERZEN modular design with standard options meets almost every customer requirement and therefore the new Delta Hybrid sizes thanks to them features and to a big volume flow control range they can be used in almost every application for oil free air compression, fix or variable speed, up to 1250 mbarg. Safety has been and will be always a focus for Aerzen Delta Hybrid: we avoid contamination of customer product and process, this is especially important in the chemical and food & beverage industries. For this reason units are oil-free TÜV-certified according to ISO 8573-1 class, they don´t have any coating of the screw rotors and there is the possibility to have a reactive silencer without absorption material. Thanks to their reliability and features new Delta Hybrid sizes can be installed worldwide: with extreme ambient temperatures of -40°C to +50°C but also with the optional outdoor protection under direct atmosphieric agents. Units are even so silent that in outdoor operation nobody will notice them.

AERZEN Engineering

Where a standard solution is not sufficient, AERZEN develops with its engineering special designs or special machine configurations. Applications

Applications

Sewage treatment
Drinking water purification
Pneumatic conveyance of bulk materials
River and lake aeration
and many more

Industries

Sewage treatment
Chemical and process technology
Glass and paper manufacturing
Food industry
Environmental technology
and many more

US Units

Yes

Type of technology: Screw Blowers
Design: Positive pressure
Differential pressure (Δp): 4,35 to 18,13 psi
Volume flow: 235,44 to 2,825,28 CFM
Medium: Air
Conveying / Compression: Oil-free

The Delta Hybrid direct driven screw blowers

With increasing demand for resilient, lasting technology that offers minimal energy consumption and high performance, rising energy costs and dwindling resources are of greater concern to companies, researchers, and end users now more than ever before. The increasing scarcity of resources gives particular cause for concern. Basic industrial processes are associated with some of the highest energy costs. Processes involving pumps and compressors, regardless of type, account for the highest percentage of total energy costs – 30%. This affects wastewater treatment applications as well. The treatment of wastewater in aeration tanks consumes a staggering 60% to 80% of the total energy required by a wastewater treatment plant. It is the right time to construct a future with technologies based on low energy costs and sustainability.

Delta Hybrid direct driven generates low pressure compressed air positive pressure thanks to a screw profile and internal compressor, in this way energy savings up to 37% compared to conventional blowers can be achieved, this represents a big opportunity for all the companies.

Get the Delta Hybrid screw blower and enjoy benefits such as:

Everything you need in one single screw blower

Extraordinary energy efficiency, extreme compactness, durability and reliability, lowest maintenance effort and quiet operation: These characteristics are directly reflected in the cost balance of each compressor. AERZEN has kept it in mind in the develompmment of this new Delta Hybrid sizes. This new solution comes from many “Voice of customers” therefore it will convince even the most exigent individuals also in the harshest ambient conditions.

Extraordinary energy efficiency

New and unique 3+4 rotor profile
Energy savings up to 37% compared to lobe blowers
Extended control range with almost constant specific power consumption
Separate process and air cooling paths
Optional Ultra Premium Efficiency IE5 motors
IES2 drive system efficiency (motor + frequency converter)

Extremely compact design

Space-saving side-by-side installation
Smaller dimensioning of machine rooms
Easy access for service and maintenance work
Integrated power suppy panel having the same footprint

Reliability and durability

Patented bearing, theoretical lifetime of more than 60,000 hours (at 1.000 mbar pressure difference)
Pressure lubrication for exceptional reliability of the bearings
Active oil level monitoring using an oil level switch
Reliable even in extreme climatic conditions (+50°C) thanks to the use of an oil cooler
Acoustic hood for outdoor installation (optional) for installation of the machine
under direct atmpspheric agents

Further information is available within the product brochures.

New Delta Hybrid direct driven sizes D40S, D50S, D65S and D80S

New sizes for the wides screw blower portfolio on the market

Customer satisfaction is the first goal of AERZEN. This is why it has been decided to expand our Delta Hybrid range. AERZEN wants to provide you a perfect match especially regarding a reduction of Life Cycle Costs. Other features have been added to the machine in order to maximize customer experience. Significant energy savings up to 37% can be achieved compared to standard lobe blowers.

Screw Blower
Delta Hybrid direct driven — Performances & dimensions

Positive pressure
Series	Performance data				Dimensions and weights
Series	Pressure difference, psi	Volume flow*, CFM	Motor power, hp	Sound pressure, max. db(A)	Width (W), in	Depth (D), in	Height (H), in	Nominal size	Weight, lb
D40S	18,13	1,430,298	73,8	75	51	67	84	DN 200	3,748
D50S	18,13	1,801,116	120,7	75	51	67	84	DN 200	3,748
D65S	18,13	2,295,54	120,7	76	59	87	96	DN 200	5,512
D80S	18,13	2,825,28	214,6	76	59	87	96	DN 250	5,512

Sound pressure level without blow-off noise, with acoustic enclosure.
* corresponds to the measured delivery volume flow converted to the customer-specific suction conditions p = 1,0 bar, t =20°C, rF = 0%