LMI - LMI Pump Repair Parts

LMI offers a comprehensive selection of high-quality pump repair parts designed to support the performance, reliability, and safety of their chemical metering pumps. These components—including tubing connection kits, ferrules, foot and injection valve assemblies, RPM maintenance kits, and Liquifram diaphragms—are engineered for leak-free chemical handling, long service life, and resistance to aggressive fluids. By using chemically resistant materials and precision-fit designs, LMI ensures compatibility across a range of pump models and simplifies routine maintenance. These repair parts not only help maintain dosing accuracy and system integrity but also reduce downtime and extend the lifespan of chemical feed systems.

Why Choose LMI Pump Repair Parts?

LMI pump repair parts are engineered for durability, compatibility, and optimal performance, making them a smart choice for maintaining and extending the life of your chemical metering systems. Designed to seamlessly integrate with LMI pumps, these parts help ensure leak-free operation, consistent chemical dosing, and minimal system downtime. Choosing genuine LMI parts guarantees quality, reliability, and long-term cost savings by reducing the need for frequent replacements or repairs. Explore these pump repair parts at our Canadian warehouse or check them out below:

• LMI Tubing Connection Kits

• LMI Tubing Connection Kits provide secure, leak-free connections for chemical metering systems using 1/4", 3/8", or 1/2" OD tubing. Each kit includes a high-quality ferrule set and coupling nut, designed for compatibility with LMI Roytronic valves and built to withstand continuous chemical injection. Ideal for new installations or replacements, these kits ensure dosing accuracy, system safety, and fast, tool-free assembly, making them a reliable solution for maintaining the integrity and performance of your chemical feed system.

• LMI Tubing Connection Ferrules

• LMI Tubing Connection Ferrules provide secure, leak-free connections for LMI chemical metering pump injectors and foot valves. Available in 1/4", 3/8", and 1/2" OD sizes, the 1/4" version features a one-piece design, while the 3/8" and 1/2" sets include both inside and outside ferrules. For optimal performance, ferrules must not be reused once installed. Each set is sold in packs of five.

• LMI Liquipro Foot Valve Assemblies

• LMI Liquipro Foot Valve Assemblies are essential components for maintaining reliable suction and consistent chemical dosing in LMI metering pumps. Designed for vertical, submersible installation, they feature a built-in ball check valve to prevent backflow and a suction strainer to block debris. Available for 1/4", 3/8", and 1/2" OD tubing, these foot valves are constructed from durable PVC and EPDM, offering broad chemical compatibility, including with sodium hypochlorite. Engineered specifically for LMI pumps, they help keep systems primed, protected, and operating efficiently in water treatment applications.

• LMI 48728 Roytronic Injection Valve Assembly

• The LMI 48728 Roytronic Injection Valve Assembly is a durable, leak-free solution for precise chemical dosing, ideal for water treatment systems. Constructed from rugged PVC and EPDM, it resists harsh chemicals, including 12% sodium hypochlorite. Its 1/2" MNPT threads fit standard injection ports, and it supports 1/4", 3/8", and 1/2" OD tubing with the appropriate LMI connection kits (sold separately). Designed for consistent, long-lasting performance, it seamlessly integrates into new or existing setups and is compatible with a wide range of LMI metering pump wet ends.

FAQs

1. What makes LMI pump repair parts different from generic alternatives?

LMI pump repair parts are precision-engineered specifically for LMI chemical metering pumps, ensuring seamless fit, leak-free performance, and compatibility with a wide range of chemicals. Unlike generic parts that may not meet exacting tolerances or resist aggressive fluids, LMI components—such as tubing kits, ferrules, and diaphragms—are built using chemically resistant materials for durability, long service life, and consistent dosing accuracy.

2. Can I mix LMI repair parts with components from other pump brands?

While it may be tempting to mix parts from different manufacturers, doing so can compromise system integrity, especially in chemical dosing applications. LMI repair parts are tailored for compatibility with LMI pump models, meaning third-party components may not fit correctly, seal properly, or endure chemical exposure. Using only LMI parts reduces leak risks, extends pump life, and maintains warranty conditions.

3. How often should I replace components like ferrules or foot valves in an LMI system?

Ferrules should never be reused and must be replaced each time the tubing is reconnected to ensure a secure, leak-free seal. Foot valves, diaphragms, and other wear parts typically follow a preventive maintenance schedule based on usage intensity, chemical type, and operating conditions—often every 6 to 12 months. Regular inspection and timely replacement are essential to avoid unplanned downtime.

4. What is the advantage of using LMI’s tubing connection kits during installation or maintenance?

LMI Tubing Connection Kits simplify installation and maintenance by offering a complete set of leak-proof fittings that match LMI chemical metering pumps precisely. These kits save time by ensuring tool-free assembly and eliminating the guesswork of compatibility. Each kit is built to withstand chemical exposure and high-pressure applications, maintaining dosing accuracy and preventing system failures.

5. Why is it important not to reuse LMI ferrules when reconnecting tubing?

LMI ferrules deform during the initial installation to create a tight seal around the tubing. Reusing them compromises this seal, increasing the risk of leaks or connection failure, especially under pressure or when exposed to aggressive chemicals. To preserve system safety and maintain chemical dosing accuracy, always install new ferrules when reconnecting tubing.