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LMI METERING PUMPS - Excellence through Versatility

Liquid Metronics has been providing quality products and service to the water treatment industry worldwide for over 20 years.  LMI introduced the first full line of electronic metering pumps and accessories. LMI’s product line extends from low-cost metering pumps for domestic potable water treatment to highly sophisticated custom designs for specific customer applications.

Today, LMI continues to shape the future of the industry by offering the next generation of our trademark yellow and black metering pumps, the LiquiPro™ Series. This series of electronic metering pumps offers simple installation and maintenance with its unique cartridge valve design, as well as quick and easy "hands free" priming three and four function valves. Utilizing superior designs and industry experience, LMI offers Water Treatment Professionals the quality and reliability you have come to expect.P1series.jpg (7049 bytes)

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accessories (see below)

Usage of pumps

  • Waste Water Treatment
  • Cooling Water Treatment
  • Boiler Water Treatment
  • Municipal Water Treatment
  • Fertilizer Injection
  • Laboratory Fluid Metering
  • Fluoridation
  • Paper Chemical Feed
  • Domestic Potable Water
  • Swimming Pool

Features of pumps

  • Durable Stroke Adjustment Mechanism
    • A rigid stroke bracket and large stroke knob offer precise, repeatable performance and simple adjustment over entire output range.
  • NEMA 4X/IP65 Housings
    • Totally enclosed, chemically resistant polypropylene housing for the ultimate protection against corrosive environments.
  • EPU
    • LMI’s Electromagnetic Power Unit (EPU) is designed for efficiency and consistent performance over a wide operating and temperature range.
  • Multi-Function Valves
    • The industry standard for over 20 years, features Fluorofilm™ diaphragms for long life and ramp style knobs for "hands free" priming with standard 3FV or optional 4FV. The Bleed 4FV option offers auto degassing for pumping chemicals prone to gassing.
  • Fluorofilm™ Liquiframs™
    • LMI’s unique manufacturing process ensures outstanding chemical resistance and flexibility for long life.
  • Cartridge Valves
    • Unique cartridge valves have closely guided balls and triple sequential valve seats for optimum performance over entire pressure range.
  • Variety of Liquid Ends
    • A wide selection of liquid handling assemblies includes PGC™ , PVDF, PVC, Acrylic, Polypropylene, 316 SS, and UHMWPE. Configurations for viscous chemicals and slurries provide flexibility in all applications.
  • Accurate Speed Control
    • Provides precise stroke rate and a turndown ratio up to 1000:1 for unmatched versatility.
  • Fully Encapsulated Electronics
    • Completely enclosed electronics provide protection against moisture, corrosive atmospheres and damage from vibration or mechanical shock.
  • Pump Status LED
    • Status LED provides a quick visual indication of pump speed and operation.
  • Manual or External Control
    • Dual-manual control of speed and stroke length or external control by means of a 4-20 mA or pulse input for flow proportional applications and system integration.

RFP.jpg (4950 bytes)Accessories

For your metering pump

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  • 4FV/3FV/Bleed 4FV
  • Agitators
  • Back Pressure Valves
  • Calibration Cylinders
  • Conduit Connection Kit
  • Corp Stop & Nozzle Assemblies
  • Digi-Pulse Flow Monitors
  • Extension Cable Assemblies
  • Flow Indicator
  • Fluoride Saturator
  • Flowmeter
  • Remote Programmable Flowmeter
  • Liquid & Low Level Switches
  • Micropace Control Modules
  • Pressure Relief Valves
  • Primer Flush Kit
  • Pulse Transmitter
  • Pump Mounting Accessories
  • Remote Auto Flush Controllers
  • Seal Ring Kit
  • Splash Guard
  • Suction Tubing Accessories
  • Siphon Breaker
  • Tanks - Day 35 or 55 gallon with pump mounting cover
  • Tubing Connector Assemblies

Data Sheets - Adobe PDF format - Version 3.0+
Series A - 228 KB
Series B  - 216 KB
Series C  - 250 KB
Series E  - 231 KB

Liquid end - 71, 72, 75 - 95 KB
Liquid End - LE 151 - 1471 KB

Typical Installation of Metering Pumps and Control Systems

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