SIHI® LEH Liquid Ring Vacuum Pump

The SIHI LEH series comprises single-stage, between-bearing liquid ring vacuum pumps with robust engineered construction, delivering dependable performance across a wide range of industrial applications.

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  • Oil-free, near-isothermal compression delivers efficient, environmentally responsible vacuum operation
  • Between-bearing construction provides robust support for dependable, long-lasting performance
  • Adjustable internal service liquid return enables optimized operation across varying conditions
  • Wide material selection ensures compatibility with demanding and corrosive applications
  • Integrated cavitation protection and drain features help maximize uptime and reduce maintenance

Standards

  • ATEX 2014/34/EG
  • NACE MR0175 / MR0103
  • NDT acc. ASME

Operating Parameters

  • Flows to 5150 m³/h (3030 CFM) 
  • Suction pressures to 33 mbara (0.5 psia)
  • Temperatures to 100°C (212 °F)
  • Service liquid max. admissible temperature 60°C (140 °F)

Size Range: From DN125 (5 in) to DN250 (10 in)

Documents & Support

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