Liquid ring vacuum pumps are positive displacement pumps that use a ring of liquid to create a seal between the vanes or impeller and the pump housing, creating a vacuum and pumping gas or vapor out of a chamber. They are rugged, reliable and widely used in applications ranging from chemical processing, paper and pulp industry, power generation, and wastewater treatment. They excel at handling condensable vapors and liquid slugs, making them ideal for wet applications with high levels of contamination.
Discover our cutting-edge Liquid Ring Vacuum Pumps, EHR Series and SHR Series, meticulously designed by Edwards.
Tailored for the most demanding applications in process industries, our liquid ring pump range comprises both one and two-stage machines, ensuring optimum efficiency across a broad vacuum range. With capacities reaching up to 40,000 m3/h in one stage and 7,500 m3/h in two-stage models, these pumps deliver powerful performance.
General Product Information Connection Inlet Flange DN 100 Weight 820.00 kg Connection vacuum outlet flange DN 100 Power Supply Phase 3-Ph Dimension Length 1.95 m IP Rating IP54 IP21 Power Supply Frequency 50 Hz 60 Hz Dimension Height 1.02 m Dimension Width 0.810 m Noise / Sound Level 78.00 db(A) Connection Cooling 1" BSPP (G) Female Connection Inlet / Outlet Flange DN 100 / DN 100 Dimension Comments The dimensions length, width and height try to describe the outer shape of this particular product in its typical orientation when standing on the ground. We always recommend checking the detailed dimensions given in 2D drawings in the instruction manual or the 3D shapes given in 3D models. Certification Motor CSA Performance Data Power Total Rated 18500.00 W Power Total Rated @60Hz 18500.00 W Power Total Rated @50Hz 18500.00 W Pressure Ultimate 2500.00 Pa Nominal Capacity 50Hz 0.208 m3/s Nominal Capacity 60Hz 0.253 m3/s Classification Classification Product Pressure Range Rough Vacuum: 1000 mbar - 1 mbar Classification High / Medium / Rough Vacuum pump Rough Vacuum Pump Classification Dry or Wet Pump Wet Classification Vacuum Pump Technology Liquid Ring Pump Environmental Conditions Temperature Ambient Operation Max 333.15 K Temperature Ambient Operation Min 263.15 K Temperature Ambient Storage Min 243.15 K Temperature Ambient Storage Max 343.15 K Operation Conditions - Limitations Pressure Absolute Inlet Continous Max 1.013 × 10⁵ Pa Temperature Cooling Water Max 313.15 K Temperature Cooling Water Min 273.15 K Temperature Inlet Gas Max 363.15 K Pressure Absolute Outlet Continous Max 1.500 × 10⁵ Pa Lubricants Grease Type 2901033813 Amber
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