Liquid ring vacuum pumps

Atlas Copco AWD series

The Atlas Copco AWD series at a glance: 14 models from the field of liquid ring vacuum pumps – with technical data, variants and the option to send an enquiry.

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  • 14Models
  • 106–4,500m³/h pumping speed at 50 Hz
  • 33mbar ultimate pressure
  • 3–132kW rated motor power at 50 Hz
Operating principle: Liquid ring vacuum pumps (schematic drawing)
Operating principle: Liquid ring vacuum pumps

Product overview

Products of the Atlas Copco AWD series

Use the filters on the left to narrow the models down by their key figures. Each row leads to the model with its technical data and variants.

AWD 110 SPumping speed 106 m³/h 50 Hz128 m³/h 60 HzUltimate pressure 33 mbarRated motor power 3 kW 50 Hz3.7 kW 60 HzVariants 3
AWD 140 SPumping speed 145 m³/h 50 Hz174 m³/h 60 HzUltimate pressure 33 mbarRated motor power 4 kW 50 Hz5.5 kW 60 HzVariants 3
AWD 180 SPumping speed 186 m³/h 50 Hz223 m³/h 60 HzUltimate pressure 33 mbarRated motor power 5.5 kW 50 Hz7.5 kW 60 HzVariants 3
AWD 300 SPumping speed 270 m³/h 50 Hz314 m³/h 60 HzUltimate pressure 33 mbarRated motor power 7.5 kW 50 Hz11 kW 60 HzVariants 3
AWD 350 SPumping speed 342 m³/h 50 Hz411 m³/h 60 HzUltimate pressure 33 mbarRated motor power 11 kW 50 Hz15 kW 60 HzVariants 3
AWD 400 SPumping speed 425 m³/h 50 Hz475 m³/h 60 HzUltimate pressure 33 mbarRated motor power 15 kW 50 Hz18.5 kW 60 HzVariants 3
AWD 500 SPumping speed 501 m³/h 50 Hz590 m³/h 60 HzUltimate pressure 33 mbarRated motor power 18.5 kW 50 Hz22 kW 60 HzVariants 3
AWD 600 SPumping speed 616 m³/h 50 Hz739 m³/h 60 HzUltimate pressure 33 mbarRated motor power 20 kW 50 Hz30 kW 60 HzVariants 3
AWD 800 SPumping speed 862 m³/h 50 Hz1,032 m³/h 60 HzUltimate pressure 33 mbarRated motor power 30 kW 50 Hz37 kW 60 HzVariants 3
AWD 1200 SPumping speed 1,252 m³/h 50 Hz1,407 m³/h 60 HzUltimate pressure 33 mbarRated motor power 37 kW 50 Hz45 kW 60 HzVariants 3
AWD 1600 SPumping speed 1,589 m³/h 50 Hz1,717 m³/h 60 HzUltimate pressure 33 mbarRated motor power 45 kW 50 Hz75 kW 60 HzVariants 3
AWD 1960Pumping speed 2,000 m³/h 50 HzUltimate pressure 33 mbarRated motor power 75 kW 50 HzVariants 3
AWD 3280Pumping speed 3,300 m³/h 50 HzUltimate pressure 33 mbarRated motor power 110 kW 50 HzVariants 3
AWD 4510Pumping speed 4,500 m³/h 50 HzUltimate pressure 33 mbarRated motor power 132 kW 50 HzVariants 3

Model comparison

About the series

Technology and features

Operating principle

Liquid ring vacuum pumps, built with high-quality materials such as stainless steel and ceramics, are used predominantly in humid and wet processes. An eccentrically running impeller forms a liquid ring from the operating liquid, which draws in, compresses and discharges the gas. The pumps are extremely quiet, insensitive to condensate and low-wear.

The technology page shows the operating principle with an interactive drawing: Liquid ring vacuum pumps.

Features of the series

  • Operates across the entire vacuum range down to 33 mbar(a)
  • Robust design with few housing joints, external bearings, mechanical seals
  • Water as the operating liquid: isothermal compression, insensitive to vapour, condensate, liquid carry-over and particles
  • Materials selectable to suit the process medium
  • Two-stage design – highest efficiency in the lower pressure range of rough vacuum

Manufacturer's data as given in the product descriptions of the individual models.

Frequently asked questions

Questions about the Atlas Copco AWD series

Which models does the Atlas Copco AWD series comprise?
The Ehrler & Beck catalogue lists 14 models of the series. The product overview names each model with its key figures and the number of its variants; the model page shows the technical data.
Which pumping speeds does the series cover?
At 50 Hz the models cover pumping speeds from 106 to 4,500 m³/h. The figure comes from the product data of the individual models; values for 60 Hz, where available, are given in the product overview.
What ultimate pressure do the models of the series reach?
The ultimate pressure is 33 mbar. The figures on the page of the respective model are decisive.
How does the technology of the series work?
The series belongs to the field of liquid ring vacuum pumps. The technology page explains the operating principle with an interactive drawing and names all series of this technology.
Does Ehrler & Beck supply spare parts and service for the Atlas Copco AWD series?
Yes. Ehrler & Beck supplies the models of the series as well as spare parts and accessories and takes care of maintenance and repair. For a quotation, an enquiry with the model or part number is all it takes.

Which model fits your process?

Tell us the gas to be conveyed, the working pressure and the flow rate you need – we will advise you on selection, spare parts and service.

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