- Model VM/VML - Gas Screw Compressor Units With Direct Drive

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Suitable for dry and clean compression of air and neutral gases A single series for all volume flows. They are among the world’s best-selling compressors: the direct-drive units that bear the name Delta Screw. Why? Because there is probably no other compressor that so uncompromisingly fulfils even the most demanding client requirements. Because you can cover a very broad range of volume flows with a single machine. Because these compressors are most efficient. Because they are legendary for their operational availability and longevity. And finally, because these amazing all-rounders enjoy a big advantage: they are “Made by AERZEN”.

They operate reliably in all the world’s temperature zones, indoors and out, in mobile or stationary deployment. What makes the Delta Screw so flexible? 9 direct-drive machines. 2 compressor groups with the specialised AERZEN rotor profile. A choice of discharge port sizes in the cylinder for ideal internal compression. And an almost unlimited spectrum of possible adaptations and accessories. Designed for the compression of air, nitrogen, and other neutral gases, the Delta Screw compressors are perfect for almost any possible application. The spectrum of the extended Delta Screw series also includes 7 belt-driven compressor models for volume flows (actual delivery depends on intake parameters) of from 120m³/h to2,650m³/h.

  • Uniquely broad range of applications
  • Highly efficient
  • Low life-cycle costs
  • Extremely durable and robust
  • Low maintenance needs
  • Oil-free in accordance with ISO 8573-1, Class 0
  • 100% free of absorption materials
  • Made by AERZEN – made in German

  • Type of technology: Screw compressors
  • Design: Positive pressure , negative pressure
  • Volume flow: 770 to 15,000 m3/h
  • Medium: Air , Neutral Gases , Aggressive Gases
  • Compression: Oil-Free
  • Negative Pressure: Max. -850 mbar
  • Positive Pressure: Max. 3,500 mbar

5 X E. Discover the Delta Screw Success Principle. .

Efficiency. Essentials. Ecology. Elasticity. Evolution:

AERZEN’s guiding principle for success is compressed into the 5 big “E”s. It’s expressed in a number of intelligent details – and in a well thought out generation of compressors: the Delta Screw.

Efficiency

Lower TCO

  • Up to 6% energy savings
  • Low maintenance costs
  • Flexible on-site service

Cool External Supply Air (E-Compressor)

  • Compressor air intake from outside the acoustic hood
  • Up to 10° Kelvin lower intake temperature
  • Separate intakes for process and cooling air

Essentials

Just Plug & Play

  • Completely pre-installed unit (all-in)
  • Ready to run
  • Includes initial Delta Lube 06 oil supply

Easy to Use& Simplified Maintenance Requirements

  • Intelligent AERtronic controls
  • Extensive interfaces for communicating with the process monitoring system
  • Safe, rapid access to service components

Elasticity

Aerzen Low Pressure Profiles

  • Profile optimisation for significant energy savings
  • Two profiles: 3+4 (for VML compressors) and 4+6 (for VM compressors)

Uniquely Flexible.

  • Out in front: the largest volume flows in a single machine
  • A broad range of applications with a flow control range of between 20% and 100%

Evolution

Client-Specific Solutions

  • Compressor, accessories and documentation in accordance with client requirements

Authorisation for Use in Compliance With Current Legal Requirements

  • Pressure Equipment Directive PED 97/23/EG, or any preferred local certification for use around the world

Atex-Certified

  • Machine designs conform to ATEX Product Guideline 94/9/EG

Ecology

Oil-Free in Accordance With Class 0

  • Integrated vacuum generator to guarantee oil-free conditions
  • 100% oil-free in accordance with ISO 8573-1, TÜV-certified

Intelligently Lowered Noise Levels

  • Innovative, multifunctional acoustic hood design to keep machine noise low
  • Breakthrough 3-chamber reactive silencer, free of absorption materials (patent pending)

Countless Processes.

Not a Single Compromise.
When it comes to versatility, the compressors in the Delta Screw series exceed all expectations. The truth is that AERZEN’s flexible and highly efficient units offer the widest variety of models available today. The largest number of possible modifications. And the broadest range of accessories. In other words: the right compressor for all process requirements. Right-sized. No compromises.

Applications

  • Conveyance and compression of neutral and special gas types
  • Pneumatic transport (using air or nitrogen) of powder, pellets, ashes, etc.
  • Homogenisation, loading, and unloading of cement, lime, etc.
  • Vacuum generation for the production of glass containers
  • Gas/air mixing systems
  • Flue gas desulfurisation and oxidation air for power plants
  • Truck transport applications (e.g. stationary unloading, combined vacuum/pressure operations)
  • Blast air for nonwoven fabric manufacture
  • Fermentation
  • Instrument-grade air
  • Booster applications

Industries

  • Chemical and petrochemical industries
  • Cement industry
  • Food and beverage industries
  • Power plant technology
  • Glass industry
  • Paper industry
  • Plastics industry
  • Steel and iron industries
  • Textile industry
  • Pharmaceutical and cosmetics industries
  • Medical technology
  • Mining and smelting technology
  • Electronics industry, solar technology
  • Oil and gas industries
  • Biogas

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