LMI Metering Pumps and Pump Parts Supplier

Chemical Metering Pumps for Water and Wastewater Treatment

Featured LMI Metering Pumps

PD Series Metering Pumps

The LMI PD series features straightforward controls and advanced technology for precise dosing in industrial water treatment applications. The LMI PD series also features an AUTOPRIME™ Liquid End is equipped with a valve that allows for constant removal of vapors and gasses inherent with effervescent chemicals such as sodium hypochlorite and hydrogen peroxide. Additional features include:

• Remote Start & Stop Capabilities
• Easy-To-Replace O-Rings
• Large Display Showing Running Status, Stroke Rate & More

C Series Chemical Metering Pumps

The rugged, enclosed chemical-resistant LMI Series C caustic chemical metering pumps meet UL, CUL, NSF 50, NSF 61, NSF 372 and CE certifications and can be modified with several optional features depending on your specific applications. Added specifications include:

• Adjustable Stroke frequency
• Up to 1000:1 turndown Ratio
• NEMA 4X/IP65 enclosures

LMI Metering Pumps: LMI Series A, B & E

• LMI Series AD Municipal Chemical Metering Pumps:  Series AD Chemical Metering pumps are designed to meet your most challenging commercial and industrial water treatment needs.
• LMI Series B Chemical Metering Pumps for Harsh Environments: Series B Chemical Metering pumps have a rugged, chemical-resistant housing and will provide you years of reliable performance.
• LMI Series C Caustic Chemical Metering Pumps: The Series C Chemical Metering pump exemplifies consistent performance with precision control. While the Series C is similar to Series B, our C Series is able to provide increased flow and pressure for more demanding application. 
• LMI Series E Explosion-Proof Chemical Metering Pumps: These explosion-proof chemical metering pumps deliver the protection needed for dosing hazardous and volatile chemicals.

LMI Metering Pumps: LMI Series SD & EXCEL

• LMI PD Series Chemical Metering Pumps for Water Treatment: This series features straightforward controls and advanced technology for precise dosing in industrial water treatment applications.
• LMI Series "SD" G Motor-Driven Pumps for Chemical Metering: A rugged aluminum design for the toughest challenge, now with NSF/ANSI 61 and 372 certification.
• LMI EXCEL® XR Metering Pumps for Water Treatment: XR Series pumps feature a mechanically actuated diaphragm and enhanced process control capabilities including Pulse and 4-20mA inputs as well as Modbus and Profibus. They also include digital and analog outputs for advanced control.

LMI Chemical Metering Pump Accessories & Spare Part Kits

• Accessories for LMI Chemical Metering Pumps:  Find everything from agitators and tanks to low-level switches for your LMI metering pump.  
• Spare Parts Kits for LMI Metering Pumps: All pumps may need a change in parts in their operating life. We carry kits with various materials of construction for any LMI metering pump and application.  

Advantages of LMI Chemical Metering Pumps

LMI metering pumps feature enhanced process control capabilities and deliver high accuracy feed rates for reliable, repeatable performance. The robust, flexible design handles chemicals, water and viscous liquids with exceptional precision. LMI also designed these pumps with automation in mind, allowing you to control your pumps remotely via computer, microprocessor, DCS, or PLC. These pumps offer low flow and high accuracy feed rates, making them an ideal solution for any fluid dosing application.

Give us a call or send a message to discuss your application. Learn more about each pump series by selecting a product category above.

LMI Metering Pumps for Water & Wastewater Treatment

LMI manufactures an extensive line of electronic and motor-driven chemical metering pumps for municipal, industrial, and commercial applications.

Water Treatment Applications

• Boiler Feeds: Protect boiler and piping infrastructures and increate steam generation efficiency by doing clean water through your system.
• Cooling Towers: LMI metering pumps resist corrosion and help prevent scale buildup to maximize performance and reduce energy costs.

Wastewater Treatment Applications

• Wastewater Treatment: Chemical dosing kills harmful bacteria and microorganisms and helps you maintain balanced pH levels through each stage of the wastewater treatment process.
• Process Water Treatment: Precise chemical dosing helps remove dissolved minerals and other impurities to increase overall water quality.