SIHI® LPH Liquid Ring Vacuum Pump (North America Design)

The SIHI LPH liquid ring vacuum pump range offers single and two-stage between-bearing configurations, engineered for dependable performance with NA design data, supported by comprehensive literature covering engineered systems, pre-engineered packages, and technical guidance.

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  • Near-isothermal compression supports efficient, non-polluting operation
  • Oil-free working chamber helps protect process purity and reduce maintenance
  • Handles nearly all gases, vapors and entrained liquid for broad application fit
  • Low-noise, low-vibration operation supports dependable performance
  • Standard cavitation protection and integrated drains help extend equipment life

Operating Parameters

  • Flows to 3600 m³/h (2100 CFM)
  • Suction pressures to 33 mbara (0.5 psia)
  • Temperatures to 80 °C (176 °F)
  • Service liquid max. admissible temperature 60 °C (140 °F)

Size Range: From 1-1/4" to 8"

  • Single or two-stage design
  • Cast Iron or 316 SS materials
  • Special materials are available on request

Documents & Support

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