Iwaki MD-100 LFZ: A Sealless Solution Built for Demanding Fluid Transfer
The Iwaki MD-100 LFZ is a compact magnetic drive centrifugal pump designed for anyone who needs to move aggressive or high-purity fluids without worrying about leaks. Because the pump uses magnetic coupling instead of a traditional shaft seal, there's no mechanical seal to wear out, weep, or fail over time. That makes it a practical choice for facilities that can't afford downtime or contamination risk, whether that's a chemical processing line, a lab setting, or an industrial cooling loop.
Its wetted end is molded from ETFE fluoroplastic, a material chosen specifically for its resistance to a wide range of corrosive chemicals and its ability to handle liquids with a specific gravity up to 1.9. Paired with a 1/3 HP, 115-volt single-phase motor that runs on both 50 and 60 Hz power, the MD-100 LFZ delivers flow up to 28 GPM through a 1-inch NPT connection, giving it enough capacity for small-to-mid-sized transfer and recirculation tasks without being oversized for the job.
Beyond the chemistry, what tends to stand out to people running this pump day to day is how quiet and low-maintenance it is. Few moving parts means less to inspect, fewer wear items to stock, and a pump that tends to just keep running in the background. It's a solid fit anywhere reliability, corrosion resistance, and simple upkeep matter more than raw horsepower.
Key Features
- Sealless magnetic drive design eliminates shaft seal leak points
- ETFE fluoroplastic wetted construction for broad chemical compatibility
- Compact, quiet, energy-efficient operation
- Few moving parts for simplified maintenance and long service life
- Thermally protected motor with automatic overheat shutoff
Applications
- Chemical transfer and recirculation
- High-purity fluid handling in lab and analytical equipment
- Cooling and chiller loop circulation
- Industrial process fluid transfer
- Filtration and reagent handling systems
Specifications
- Model: MD-100 LFZ
- Port Size: 1" NPT
- Motor: 1/3 HP, 115V, single phase, 50/60 Hz
- Wetted Material: ETFE fluoroplastic
- Maximum Flow: Up to 28 GPM
- Maximum Specific Gravity: 1.9
- Construction: Sealless, magnetically coupled centrifugal design
FAQ Section
Q: What makes the MD-100 LFZ different from a standard centrifugal pump?
A: It uses magnetic coupling instead of a mechanical shaft seal, so there's no seal interface exposed to the fluid, which removes the most common leak point found on conventional pumps.
Q: Can this pump handle acids and other corrosive chemicals?
A: Yes. The wetted end is built from ETFE fluoroplastic, a material chosen for strong chemical resistance, and the pump is rated for liquids with a specific gravity up to 1.9.
Q: Does the MD-100 LFZ require a specific power supply?
A: It runs on a 1/3 HP, 115-volt single-phase motor compatible with both 50 Hz and 60 Hz power, so it works across a range of standard electrical setups.
Q: Is this pump only used in marine or boating applications?
A: No. While it's stocked by some marine suppliers, it's primarily an industrial and laboratory process pump used for chemical transfer, cooling systems, and fluid recirculation in non-marine settings.
Q: What kind of maintenance does this pump need?
A: Because it has a sealless design with few moving parts, maintenance is minimal, generally limited to periodic inspection of the impeller and bearing rather than seal replacement.
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