Iwaki L-MD-6 Liquid End Mag-Drive Pump Wet End
The Iwaki L-MD-6 is the liquid end, or wet end, component for Iwaki's MD series magnetic drive pumps. Instead of replacing an entire pump and motor assembly, this part lets you rebuild or upgrade the fluid-handling side of the pump while keeping your existing motor in place. It's built from glass-fiber reinforced polypropylene (GFRPP), a material chosen specifically because it stands up to a wide range of chemicals without corroding, cracking, or breaking down over time.
What makes this component genuinely useful in day-to-day operations is the sealless magnetic drive design behind it. Because the impeller is turned by magnetic coupling rather than a direct mechanical shaft connection, there's no shaft seal to wear out, weep, or fail. That translates into cleaner operation, less maintenance downtime, and a much lower risk of fluid leaking into the surrounding environment, which matters a great deal when the liquid being pumped is hazardous, corrosive, or simply expensive to lose.
Facilities that run chemical dosing systems, water treatment lines, or general process transfer equipment tend to reach for the L-MD-6 when it's time to refresh a worn pump end rather than buy new. It keeps existing equipment running longer, cuts down on total cost of ownership, and gives maintenance teams a straightforward way to restore reliable, leak-free performance without a full pump replacement.
Key Features
- Sealless magnetic drive design eliminates traditional shaft seals
- Constructed from glass-fiber reinforced polypropylene (GFRPP) for chemical resistance
- Compatible replacement component for Iwaki MD series pump assemblies
- Leak-free operation suited for hazardous or corrosive fluid handling
- Compact, lightweight liquid end designed for easy field installation
- Reduces maintenance frequency compared to seal-based pump designs
Applications
- Chemical metering and dosing systems
- Water and wastewater treatment processes
- Industrial process fluid transfer
- Pharmaceutical and laboratory fluid handling
- Aquarium, aquaculture, and recirculation systems
- General OEM equipment requiring a sealless pump end
Specifications
- Port size: 35/64" (approx. 1/2") hose barb connection
- Material of construction: GFRPP (glass-fiber reinforced polypropylene)
- Design type: Sealless magnetic drive liquid end
- Compatible series: Iwaki MD/WMD pump line
- Maximum specific gravity: approximately 1.2 S.G. (standard flow configuration)
- Mounting: Bracket-mounted, screw-secured liquid end assembly
Frequently Asked Questions
Q: Can the Iwaki L-MD-6 liquid end be installed on an existing MD series pump motor?
A: Yes, the L-MD-6 is designed as a bolt-on replacement liquid end that pairs with compatible Iwaki MD series motor and bracket assemblies, so you can restore the wet end without swapping the entire pump.
Q: What types of fluids is the L-MD-6 liquid end suitable for?
A: Its GFRPP construction makes it well suited for a wide range of chemicals, treated water, and process fluids, though the fluid's specific gravity and chemical compatibility should be checked against the material rating before use.
Q: Why choose a magnetic drive liquid end instead of a sealed pump end?
A: A magnetic drive liquid end removes the mechanical shaft seal entirely, which lowers the chance of leakage, reduces seal-related maintenance, and improves reliability when handling hazardous or high-value fluids.
Q: Does replacing just the liquid end save money compared to a full pump replacement?
A: In most cases, yes. Replacing only the worn liquid end lets the existing motor continue in service, which typically costs less than purchasing a completely new pump and motor assembly.
Q: Is the L-MD-6 liquid end easy to install without professional service support?
A: The liquid end is designed for straightforward bracket mounting with screws, making it accessible for maintenance teams familiar with basic pump servicing, though following the manufacturer's installation sequence is recommended.
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