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LMI PUMPS

LMI Pumps is a brand historically associated with Milton Roy, a company with decades of experience in fluid metering and dosing technology. LMI metering pumps are widely used in water treatment, chemical processing, and industrial applications where precise injection of liquids is required. The product line includes solenoid-driven diaphragm metering pumps, motor-driven pumps, and a range of accessories such as valve kits, repair parts, and control interfaces. These pumps are known for their compact design, reproducibility, and compatibility with various chemicals through material options like PVDF, PVC, polypropylene, and PTFE. 3G Electric supplies LMI Pumps globally, offering a selection of metering pumps and related components. The pumps are available in configurations with flow rates up to 192 gallons per day (gpd) and reproducibility as tight as ±1.0%. They operate on standard AC voltages (115V or 115/230V) and feature self-priming capability. Materials of construction include PVDF, PVC, and polypropylene heads, with PTFE diaphragms and seals, and ceramic or stainless steel check balls. These pumps are suitable for dosing acids, bases, coagulants, and other chemicals in water treatment, wastewater, and industrial processes. 3G Electric provides access to LMI Pumps' product range, including compact solenoid-driven diaphragm metering pumps and associated spare parts. The pumps are designed for integration into systems requiring accurate and repeatable chemical injection. With a focus on technical specifications and material compatibility, 3G Electric supports procurement and maintenance teams in selecting the appropriate pump for their application. The product line includes models with various head materials, flow rates, and voltage options to match specific dosing requirements. 3G Electric's global reach ensures that customers can source LMI Pumps equipment and parts efficiently, with attention to specification details and application needs.

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About LMI PUMPS

LMI Pumps is a brand historically associated with Milton Roy, a company with decades of experience in fluid metering and dosing technology. LMI metering pumps are widely used in water treatment, chemical processing, and industrial applications where precise injection of liquids is required. The product line includes solenoid-driven diaphragm metering pumps, motor-driven pumps, and a range of accessories such as valve kits, repair parts, and control interfaces. These pumps are known for their compact design, reproducibility, and compatibility with various chemicals through material options like PVDF, PVC, polypropylene, and PTFE. 3G Electric supplies LMI Pumps globally, offering a selection of metering pumps and related components. The pumps are available in configurations with flow rates up to 192 gallons per day (gpd) and reproducibility as tight as ±1.0%. They operate on standard AC voltages (115V or 115/230V) and feature self-priming capability. Materials of construction include PVDF, PVC, and polypropylene heads, with PTFE diaphragms and seals, and ceramic or stainless steel check balls. These pumps are suitable for dosing acids, bases, coagulants, and other chemicals in water treatment, wastewater, and industrial processes. 3G Electric provides access to LMI Pumps' product range, including compact solenoid-driven diaphragm metering pumps and associated spare parts. The pumps are designed for integration into systems requiring accurate and repeatable chemical injection. With a focus on technical specifications and material compatibility, 3G Electric supports procurement and maintenance teams in selecting the appropriate pump for their application. The product line includes models with various head materials, flow rates, and voltage options to match specific dosing requirements. 3G Electric's global reach ensures that customers can source LMI Pumps equipment and parts efficiently, with attention to specification details and application needs.

Common Applications

  • Municipal water treatment — LMI Pumps solenoid-driven diaphragm metering pumps for dosing coagulants and disinfectants
  • Wastewater treatment — LMI Pumps metering pumps with PVC or PP heads for injecting flocculants and pH adjusters
  • Industrial chemical processing — LMI Pumps PVDF-head metering pumps for precise addition of acids and bases
  • Cooling tower water treatment — LMI Pumps compact solenoid metering pumps for scale and corrosion inhibitor dosing
  • Agricultural fertigation — LMI Pumps metering pumps for injecting liquid fertilizers into irrigation systems
  • Food and beverage processing — LMI Pumps metering pumps with PTFE diaphragms for dosing cleaning chemicals

Guides & Resources

Frequently asked questions

Common questions about LMI PUMPS from 3G Electric.

What are the typical applications for LMI Pumps solenoid-driven diaphragm metering pumps?

LMI Pumps solenoid-driven diaphragm metering pumps are used in water treatment, wastewater treatment, chemical processing, and industrial cleaning systems. They are suitable for dosing chemicals such as coagulants, flocculants, acids, bases, and biocides. The pumps' material options, including PVDF, PVC, and polypropylene heads with PTFE diaphragms, allow compatibility with a range of aggressive fluids. Their reproducibility of ±1.0% or ±3.0% makes them appropriate for processes requiring consistent injection rates. Common installations include municipal water plants, cooling towers, and manufacturing facilities where precise chemical addition is critical.

What is the maximum flow rate available in LMI Pumps metering pumps?

LMI Pumps metering pumps are available with maximum flow rates up to 192 gallons per day (gpd), as seen in models like SKU 878LW0. Other models in the line offer lower flow rates, such as 60 gpd or 96 gpd, to suit different dosing requirements. Flow rate depends on the specific model and configuration, including head material and voltage. When selecting a pump, consider the required dose rate, chemical viscosity, and system pressure. 3G Electric can provide specifications for each model to help match the pump to your application.

What materials are used in LMI Pumps metering pump heads and diaphragms?

LMI Pumps metering pumps feature heads made from PVDF, PVC, or polypropylene (PP), depending on the model. Diaphragms are typically PTFE, and seals may be PTFE, PVDF/PTFE, or PTFE/Polyprel. Check balls are available in ceramic or 316 stainless steel. These material choices provide chemical resistance and durability for various dosing applications. For example, PVDF heads are suitable for aggressive chemicals, while PVC and PP offer cost-effective options for less demanding fluids. Always verify compatibility with the specific chemical being dosed.

What voltage options are available for LMI Pumps solenoid-driven diaphragm metering pumps?

LMI Pumps solenoid-driven diaphragm metering pumps are available in 115V AC or 115/230V AC configurations, with 50/60 Hz frequency. Some models are single-phase. The voltage requirement is specified for each model; for instance, SKU 878L54 operates at 115V AC, while SKU 878M79 supports 115/230V AC. Ensure the available power supply matches the pump's nameplate voltage. These pumps are designed for standard industrial power systems and include self-priming capability.

How does 3G Electric support LMI Pumps customers?

3G Electric supplies LMI Pumps metering pumps and related components, including valve kits and repair parts, to customers worldwide. We provide access to technical specifications, such as flow rates, materials, voltage requirements, and reproducibility, to assist in pump selection. Our team can help identify the appropriate model for your application based on chemical compatibility and dosing needs. We also offer spare parts to support maintenance and repair. For detailed product information or to request a quote, contact 3G Electric.

Does 3G Electric supply LMI PUMPS products?

Yes — 3G Electric (S) Pte. Ltd. supplies LMI PUMPS products. We stock the LMI PUMPS catalog and supply genuine factory-original products with full manufacturer warranty and technical support.