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Edwards HR-serie

HR Series Liquid Ring Vacuum Pumps - For rough vacuum applications in the chemical and allied process industries.

Let us help you find the right product from this series

Product features

  • Peak efficiency at high vacuum.
  • ATEX versions available.
  • Engineered to order to meet your specific requirements.
  • Suitable for a wide range of process industries.
  • Standard packages in three basic configurations: Once Through; Partial; Total Re-circulation mode.
  • Industrial-duty construction → supports repeatable operation under sustained loads
  • Verified technical documentation → enables model selection against actual process requirements
  • AxFlow product-selection support → helps align pump, controls and accessories with the application
  • Maintenance and service support → helps protect process continuity over the equipment lifecycle
  • Application-specific configuration → helps avoid oversizing, undersizing and unnecessary operating cost

Product description

Edwards HR Series – which includes the EHR and SHR models, brings you continuous reliable operation at low pressures. The range is designed to be tolerant of particulates and requires minimal maintenance, making it ideal for use in your power generation, chemical and process applications.

The two-stage vacuum pump systems offer capacities of 7,500 m3/h with exceptional performance, particularly useful for handling solvents at high vacuum, with low suction pressures.

Edwards Liquid Ring Pumps are offered as standard packages in three basic configurations: Once Through; Partial; Total Re-circulation mode.

Suitable for a wide range of process industries:

The HR series is ideal for the Food Processing, Petrochemical, Chemical, Fine Chemical, and Pharmaceutical, Power Generation and offshore drilling and seawater deaeration industries.


Edwards HR is used for chemijos, energetikos ir kitoms procesų pramonės vakuumo užduotims. It should be selected around the required vacuum level, gas load and process conditions. The exact configuration depends on the application.
Edwards HR is based on dviejų pakopų EHR ir SHR konstrukcija darbui esant mažam įsiurbimo slėgiui. This technology creates or supports the vacuum required by the process. Performance must be checked against the selected model and operating point.
Check pumping speed, working and ultimate pressure, gas composition, temperature, cooling and connections. Verified product information includes HR šeima skirta patikimam nuolatiniam darbui esant mažiems slėgiams; skysčio žiedo technologija toleruoja kondensatus ir daleles. AxFlow can help compare these requirements with the available Edwards configurations.
Maintenance depends on the technology, operating hours and process contamination. Follow Edwards service instructions and use the correct consumables and spare parts. Preventive maintenance helps reduce unplanned downtime.
AxFlow can support product selection for Edwards HR and help identify the appropriate configuration. AxFlow also provides service and spare-parts support for installed equipment. Contact AxFlow for availability and a quote.
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