SIHI® LPH Liquid Ring Vacuum Pump

The SIHI LPHX/LPH liquid ring vacuum pump range features single- and two-stage between-bearing designs with robust construction for dependable vacuum performance, supported by literature spanning engineered systems, pre-engineered packages and technical guidance.

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  • Delivers near-isothermal, oil-free compression with no internal lubrication for clean, efficient operation
  • Capable of handling nearly all gases and vapors, including liquid carryover, across a broad range of applications
  • Supports low maintenance, safe operation, low noise and minimal vibration to enhance overall reliability
  • Offers durable, non-contacting metallic rotating parts and standard features such as O-ring sealing, cavitation protection and a drain hole
  • Available in a wide range of materials with built-in solids drain and ATEX-compliant designs to meet demanding service requirements

Standards

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

Operating Parameters

  • Flows to 10350 m³/h (6090 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 DN40 (1 1/2 in) to DN250 (10 in)

Documents & Support

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