LMI

LMI Milton Roy

Leading the way in the metering pump industry, LMI introduced the first full line of electronic metering pumps and accessories. The breadth of LMI’s product line extends from low-cost metering pumps for domestic potable water treatment to highly sophisticated custom designs for specific customer applications.

  • Overview
  • Liquid Metronics Incorporated has been providing quality products and service to the water treatment industry worldwide for over 25 years.

    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, four function and auto prime valves.

  • Why Choose LMI?
  • Utilizing superior designs and industry experience, as well as a state-of the-art facility and highly trained service representatives, LMI offers Water Treatment Professionals the quality and reliability they’ve come to expect.

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Series from LMI Milton Roy

  • Featured
    Series A

    A Series

    The LMI Milton Roy ROYTRONIC Series A metering pump has a robust design, control options and improved electro-magnetics to meet all flow / pressure ratings. The pumps are available for applications up to 250 psi with capacities between .001 and 2.0 GPH. Single to dual manual control options with pulse input to 4-20 mA input are available. The line includes ferrule designed fittings that set a new standard for secure, leak-proof tubing connections. Covered by a 3-Year warranty.

    7852 products
  • Featured
    Series AA

    AA Series

    The LMI Milton Roy AA Series Chemical Feed Pumps key features include rigid stroke bracket assembly, advanced control options for simplified system integration, 5 level power control option to reduce system shock and extend the life of the pump. Advanced control options include pulse multiply/divide, 4-20 mA, remote on/off. External pacing for flow proportional applications. Adjustable stroke frequency and the flexibility of up to 1,000:1 turndown ratio. NEMA 4X/IP65 enclosure provides protection against corrosive environments.

    364 products
  • Featured
    Series AD

    AD Series

    LMI ROYTRONIC EXCEL Series AD pumps achieve a new level of innovation in solenoid-driven metering pump technology. Offering a robust design, micropressor control options and improved electro-magnetics to meet all ἀow/pressure ratings. ROYTRONIC EXCEL Series AD chemical metering pumps will provide industry solutions for more versatile chemical injection with greater turn-down capability.

    6384 products
  • Featured
    XR Chemical Metering Pumps

    XR Chemical Metering Pumps

    The Excel XR chemical metering pump series from LMI are factory engineered to meet most of today’s demanding pumping application standards for accuracy, reliability & process control flexibility.

    XR LMI Pumps are designed from the ground up based on critical feedback received from many checmical metering pump customers as well as water treatment plants maintenance operators and experienced industry experts.

    LMI's Excel XR metering pumps feature enhanced unparralelled performance & process control capabilities. Built on principles from universal technology platforms with the flexibility to adapt as technology evolves and grows.

    If you have a Chemical Metering pump application, the Excel XR metering pump from LMI is ready to outsmart and outperform even the toughest demanding applications.

    630 products
  • Series B

    B Series

    The LMI Milton Roy Series B electromagnetic solenoid driven diaphragm pumps have manually adjustable stroke length control providing accurate pump output adjustment. The time tested electronics are totally encapsulated for protection against moisture and corrosive conditions, owing to the reliable, repeatable performances. NEMA 4X / IP65 enclosures ensure protection against corrosive environments. The priming valves have Fluorofilm® diaphragms and ramp style knobs for hands free priming. We offer a wide variety including B1 (manual stroke length and stroke frequency control), B7 (manual stroke length and selectable manual stroke frequency control or external pacing control), B9 (LCD display, manual stroke length and selectable keypad stroke frequency control or external pacing control with pulse divide / multiply option from 1-999 or 4-20mA control)

    8976 products
  • Series C

    C Series

    The LMI Milton Roy Series C electromagnetic solenoid driven diaphragm pumps have manually adjustable stroke length control providing accurate pump output adjustment. The time tested electronics are totally encapsulated for protection against moisture and corrosive conditions, owing to the reliable, repeatable performances. NEMA 4X / IP65 enclosures ensure protection against corrosive environments. The priming valves have Fluorofilm® diaphragms and ramp style knobs for hands free priming. We offer a variety of models: C1 (manual stroke length and stroke frequency control), C7 (manual stroke length and selectable manual stroke frequency control or external pacing control), C9 (offer a LCD display, manual stroke length and selectable keypad stroke frequency control or external pacing control with pulse divide / multiply option from 1-999 or 4-20mA control)

    6919 products
  • Series E7

    E7 Series

    The LMI Milton Roy Series E7 electromagnetic solenoid driven diaphragm pumps have manually adjustable stroke length control providing accurate pump output adjustment. The time tested electronics are totally encapsulated for protection against moisture and corrosive conditions, owing to the reliable, repeatable performances. NEMA 4X / IP65 enclosures ensure protection against corrosive environments. The priming valves have Fluorofilm® diaphragms and ramp style knobs for hands free priming. These pumps are designed to meet or exceed all standards for Class I, Division I and 2, Groups C and D; Class II, Groups E, F, and G.

    604 products
  • Series G

    G Series

    The LMI Milton Roy Series G Mechanically Actuated diaphragm metering pumps with adjustable outputs from 0.0 to 300 GPH and injection pressure capabilities available to 175 PSI.

    2016 products
  • Series J5

    J5 Series

    LMI Milton Roy Series J5 are a electromagnetic solenoid driven diaphragm 12 Volt DC powered metering, chemical, Injection Dosing pumps for precise and accurate metering control. These include adjustable outputs from 0.006 to 2.0 GPH and injection pressure capabilities available to 140 PSI. All pumps include a total of 16 ft (4.8 m) of polyethylene tubing complete with compression connections, a foot valve with integral one piece strainer for the suction line, and an injection check/back pressure valve with 1/2" NPT male connection for the injection point.

    275 products
  • Series P

    P Series

    The LMI Milton Roy Series P electromagnetic solenoid driven diaphragm pumps have manually adjustable stroke length control providing accurate pump output adjustment. The time tested electronics are totally encapsulated for protection against moisture and corrosive conditions, owing to the reliable, repeatable performances. NEMA 4X / IP65 enclosures ensure protection against corrosive environments. The priming valves have Fluorofilm® diaphragms and ramp style knobs for hands free priming. PumpCatalog.com offers several models: P0 (manual stroke length and fixed stroke frequency), P1 (manual stroke length and stroke frequency control), P7 (manual stroke length and selectable manual stroke frequency control or external pacing control)

    9108 products
  • Parts / Accessories / Kits

    Accessories Kits Parts

    The LMI Milton Roy Pump Repair Parts and Kits contain the parts which are the most replaced. The LMI Milton Roy repair and preventative maintenance kits contain everything needed to maintain optimum performance on LMI's LiquiPro Series of electronic metering pumps.

    2746 products
  • Liquid End Assemblies

    Liquid End Assemblies

    The LMI Milton Roy liquid end Assembly are for easy maintenance of an LMI metering pump's liquid end parts. Each Liquid End Kit contains the complete liquid handling assembly for your pump - every component that comes into contact with the solution is included.

    943 products
  • Controllers

    Controllers

    LMI Liquitech Controllers are the first choice by water-treatment professionals for simple chemical addition to control conductivity, pH and ORP. The superior design and rugged construction of our controllers add the value and reliability you expect from an industry leader.

     

    145 products
  • Drives

    Drives

    LMI Pump Drives for Electronic Chemical Metering Pumps

    126 products
  • XR Chemical Metering Pump Drives

    XR Chemical Metering Pump Drives

    If you are looking for replacement drives for your Excel Series Chemical Metering Pump, you have come to the right place. We have over 40 XRD Drives available for online purchasing right now.

    42 products
  • XR Chemical Metering Pump Liquid Ends

    XR Chemical Metering Pump Liquid Ends

    Browse over two dozen Excel Series Chemical Metering Pump Liquid Ends today!

    29 products
  • XR Chemical Metering Pump Parts

    XR Chemical Metering Pump Parts

    There are a wide range of options and accessories available to customize the Excel XR metering pump to fit your speficif application. Mechanically actuated diaphragm liquid end materials include, Polypropylene, PVDF & 316 Stainless steel. Accessories include backpressure valves, saftey valves, pulsation dampeners, calibration columns and degassing valves and sytems.

    If you need repair parts for your Excel XR series we have you covered. There are specific items exclusive the the XR series and some parts are universal among all LMI series.

    66 products
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