LMI Series C Electric Chemical Metering Pumps

LMI Series HH9 Metering PumpLMI Series C Electric Chemical Metering Pumps

LMI Series C Electric Chemical Metering Pumps have been an industry standard for over 20 years. Designed for Municipal/ Industrial applications, the familiar yellow and black pumps have a rugged, totally enclosed, chemically resistant housing for protection in the harshest environments. Encapsulated electronics and a rigid housing and stroke bracket ensure years of precise, repeatable performance.

  • Adjustable stroke frequency and the flexibility of up to 1000:1 turndown ratio

  • Manually adjustable stroke length provides accurate pump output adjustment

  • NEMA 4X / IP65 enclosures for protection against corrosive environments

  • Time tested electronics for reliable, repeatable performance

  • Totally encapsulated electronics for protection against moisture and corrosive conditions

  • Inputs for low level switch available on certain models

  • Models with external pacing for flow proportional applications

  • Advanced control options for simplified system integration (pulse multiply/divide, 4-20 mA, remote on/off)

  • *UL, *CUL, NSF 50, NSF 61, *CE Certifications

Control Codes:
1 Dual Manual Control (speed and stroke length)
7 Pulse Input / Dual Manual Control
9 Pulse/Analog Input / Dual Manual Control

Output Codes with standard liquid end
Max Capacity:   Max Pressure:
*CX0 1.3 GPH (4.9 l/h) 300 psi (20.7 Bar)
*CX1 2.5 GPH (9.5 l/h)  150 psi (10.3 Bar)
*CX2 4.0 GPH (15.1 l/h) 100 psi (6.9 Bar)
*CX3 8.0 GPH (30.3 l/h) 60 psi (4.1 Bar)
*CX4 20 GPH (75.7 l/h)   25 psi (1.7 Bar)
C76 4.0 GPH (15.1 l/h) 175 psi (12.1 Bar)
C77 10.0 GPH (38.0 l/h)      80 psi (5.5 Bar)
C78 25 GPH (95.0 l/h) 30 psi (2.07 Bar)
  • Four Function Valve

  • AUTOPRIMEā„¢ liquid End

  • High Viscosity Liquid End

  • Low Level Float Switch

  • Digi-Pulse Flow Monitor

  • Repair & Preventive Maintenance Kits

  • Calibration Columns

Data Sheet

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About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

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Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

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