Industry
Vacuum pumps for petrochemicals
In petrochemicals, vacuum pumps convey flammable gases and vapours ā in aromatics extraction, in BTX, LAB, styrene and MMA plants and in adhesive production ā and, according to Edwards, they must do so without contamination. For the industry, Atlas Copco names liquid ring vacuum pumps and ejector systems; this page is part of the Chemicals industry. Below you can see which series the manufacturers themselves name for these tasks ā 98 models from 2 manufacturers.
Compare 98 modelsSee the applications
- 98Models
- 9Series
- 2Manufacturers
- 4Applications

In short
Petrochemicals: vacuum pumps ā the key facts
- Flammable substancesFor the petrochemical industry, Edwards names the contamination-free pumping of flammable substances and, for this, the GXS, EDS and EH series.
- Named processesAromatics extraction, BTX, LAB, styrene, adhesives and MMA ā these are the processes Edwards names for petrochemicals.
- Liquid ringAtlas Copco names petrochemicals for the AWS, AWD and AWL liquid ring vacuum pumps and for ejector systems.
- Up to 8 bar(a)For gas compression (CO2, Cl2, H2/C2H2) and VCM recovery, Edwards names liquid ring compressors up to 8 bar(a).
Applications
Petrochemicals: what vacuum pumps are used for
For each application: what the vacuum does and which series the manufacturers name for it. The information comes from the manufacturersā own pages.
Aromatics extraction and BTX
Edwards names aromatics extraction and BTX for the petrochemical industry; according to Edwards, the pumps must convey flammable substances without contamination. GXS, EDS and EH are named, as well as CXS, CDX and EDP.
Styrene, MMA, LAB and adhesives
For styrene, MMA, LAB and adhesives, too, Edwards names the same series ā GXS, EDS, EH ā and the same aim: pumping flammable substances without contamination. Edwards gives no further details on pressure or pumping speed on its industry page.
Liquid ring vacuum pumps and ejector systems
Atlas Copco names petrochemicals for its AWS, AWD and AWL liquid ring vacuum pumps and for steam jet ejector systems, without describing the task in detail.
Gas compression and VCM recovery
For the compression of CO2, Cl2 and H2/C2H2 and for VCM recovery, Edwards names liquid ring compressors of the LR family up to 8 bar(a). Compressors are not part of the product list on this page.
Manufacturers and series
Petrochemicals: 2 manufacturers, 9 series
Listed are the series the manufacturer itself names for this industry. āShow only ā¦ā sets the filter of the product overview.
Atlas Copco
47 models Ā· 106ā36,600 m³/h
Edwards
51 models Ā· 20ā8,100 m³/h
Product overview
Petrochemicals: all 98 models compared
Use the filters on the left to narrow the selection ā by manufacturer, technology and the modelsā key figures, for 50 or 60 Hz.
Atlas Copco AWD series 14 models
Atlas Copco AWL series 11 models
Atlas Copco AWS series 22 models
Edwards EDS series 3 models
Edwards EH series 5 models
Edwards GXS series 10 models
Edwards LR1A series 12 models
Edwards LR1C series 9 models
Edwards LR1D series 12 models
No model matches these filters.
Atlas Copco AWD series 14 models
Atlas Copco AWL series 11 models
Atlas Copco AWS series 22 models
Edwards EDS series 3 models
Edwards EH series 5 models
Edwards GXS series 10 models
Edwards LR1A series 12 models
Edwards LR1C series 9 models
Edwards LR1D series 12 models
Models a manufacturer no longer carries in its current range are listed in its āOutdated modelsā section.
Selection
Petrochemicals: choosing a vacuum pump
What the manufacturers highlight for use in this industry.
Flammable media
As a requirement, Edwards names the contamination-free pumping of flammable substances ā for all the processes named, from BTX to MMA. GXS, EDS and EH are named for this; the industry page gives no information on explosion protection.
Liquid ring or dry pump
In petrochemicals, Atlas Copco relies on liquid ring vacuum pumps (AWS, AWD, AWL) and ejector systems, while Edwards names GXS, EDS and EH. Both routes are in our range.
Compressing instead of evacuating
Where gases are not extracted but compressed ā CO2, Cl2, H2/C2H2, VCM recovery ā, Edwards names liquid ring compressors up to 8 bar(a).
Frequently asked questions
Petrochemicals: frequently asked questions about vacuum pumps
Which vacuum pump is suitable for petrochemicals?
For the petrochemical industry, Edwards names the GXS, EDS and EH series (as well as CXS, CDX and EDP) and, as a requirement, the contamination-free pumping of flammable substances. Atlas Copco names the AWS, AWD and AWL liquid ring vacuum pumps as well as ejector systems.
Which vacuum pump for flammable gases and vapours?
For flammable substances in petrochemicals, Edwards names contamination-free pumping with GXS, EDS and EH. Edwards gives no information on explosion protection on its industry page.
Which vacuum pump for aromatics extraction and BTX plants?
Edwards explicitly names aromatics extraction and BTX for petrochemicals and assigns the GXS, EDS and EH series to them.
Which vacuum pump for styrene and MMA plants?
At Edwards, styrene and MMA are in the same list as BTX, LAB and adhesives; GXS, EDS and EH are named, contamination-free for flammable substances.
What are liquid ring vacuum pumps used for in petrochemicals?
Atlas Copco names petrochemicals as an industry for its AWS, AWD and AWL liquid ring vacuum pumps and for ejector systems; Atlas Copco gives no description of the individual tasks there. Edwards names liquid ring compressors for gas compression up to 8 bar(a).
Which pump for VCM recovery?
For VCM recovery and for the compression of CO2, Cl2 and H2/C2H2, Edwards names liquid ring compressors of the LR family up to 8 bar(a).
Which vacuum pump for adhesive production?
Edwards lists adhesives among the petrochemical processes and names the GXS, EDS and EH series for them.
Which Edwards series for petrochemicals are available from Ehrler & Beck?
Of the series Edwards names for petrochemicals, GXS, EDS and EH are in our range; Edwards also names CXS, CDX and EDP, which are not listed here.
Does Ehrler & Beck also supply spare parts and service?
Yes. Ehrler & Beck offers original spare parts and accessories as well as maintenance and repair.
Which pump suits your process?
Tell us the application, the medium and the number of machines ā we advise you on selection, spare parts and service.







