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

The SIHI LEMR liquid ring vacuum pump series features a close-coupled, single-stage design with robust construction and dependable operation, supported by NA design technical information across key pump sizes.

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  • Delivers clean, oil-free vacuum performance with near-isothermal compression for non-polluting operation
  • Close-coupled, single-stage design simplifies installation and reduces maintenance requirements
  • Versatile gas and vapor handling, including entrained liquid
  • Non-contacting rotating parts minimize wear for extended service life and lower lifecycle costs
  • Built-in cavitation protection, dirt drain and central drain enhance operational reliability

Standards

ANSI B16.5
NEMA MG 1-2016

Operating Parameters

  • Flows to 262 m³/h (154 cfm) 
  • Suction pressures to 33 mbara (25 Torr)
  • Temperatures to 100°C (212°F)
  • Service liquid max. admissible temperature 82°C (180°F)

Size Range: From ANSI 3/4 in to 2 in
Pressure Class Range: 150 psig
Materials: Cast iron, 316 stainless steel

  • Cast iron or 316 stainless steel materials
  • 1/60/120V (Up to 5 HP), 3/50/380V, 3/60/460V, 3/60/575V 
  • IE3 Motor Efficiency
  • TEFC, Explosion Proof (Division 1), Washdown
  • Motor Certified for UL, CSA, CE (Non-Explosion) 

Documents & Support

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