SG73 | LMI Metering Pump - 300 GPH - 50 psi - 173 SPM

Rugged design for the toughest challenges

Now with NSF/ANSI 61 and 372 certification

Available in two motor driven models - the SD and the SG - the Series G Metering Pumps feature rugged aluminum construction specifically engineered to handle higher output and higher pressure applications in harsh environments. Certified with NSF / ANSI 61 and 372 for municipal compliance and safety assurance, the Series G is the right choice when choosing a pump for water treatment.

By combining a heavy-duty industrial drive with state-of-the-art design, the Series G offers a mechanically actuated diaphragm that provides smooth output with reduced potential for system shock and hydraulic oil contamination.

External speed control, stainless steel fasteners and NSF certifications make this powerhouse pump perfect for water treatment applications.

Key Benefits

• Superior Drive System
  • Robust metallic worm gear drive compared to solenoid pumps
  • Industrial duty variable eccentric stroke adjustment
  • 10 to 1 turn down ratio with smooth velocity profiles
• Long-lasting Design
  • PTFE high performance diaphragm eliminates stress points
  • Oil bath operation for gear components
  • Three frame sizes for liquid end compatibility
• Precise Control
  • Manual stroke length adjustment
  • Adjustable during operation or while stopped

Technical Specifications

Standard Features

• Mechanically actuated diaphragm liquid end eliminates flow restrictions
• Durable metallic housing for tough environments
• High efficiency motors with minimal heat buildup
• High performance check valves with machined seats
• Precision stroke adjustment capability
• Municipal compliance certifications:
  • UL, CUL, ETL (ANSI/NSF Std 50)
  • NSF 61 / ANSI 372
  • CD certifications

Optional Accessories

• Safety valves
• Back pressures valves
• Pulsation dampeners
• Degassing valve
• Repair & preventive maintenance kits
• Calibration columns