Iwaki MD-70RT-220 Magnetic Drive Pump
The Iwaki MD-70RT-220 is a seal-less magnetic drive centrifugal pump built for anyone who needs dependable, leak-free fluid handling without the maintenance headaches of a traditional mechanically sealed pump. Because the impeller is driven magnetically rather than through a shaft seal, there's no packing to wear out and no seal to leak, which makes this pump a popular choice for transferring corrosive or hazardous liquids in chemical processing, water treatment, plating lines, and general industrial fluid transfer applications. Its GFRPP polypropylene wetted parts stand up well to a wide range of acids, bases, and aggressive chemicals that would quickly damage metal pump components.
Beyond the leak-free design, the MD-70RT-220 is engineered for longevity and quiet, efficient operation. A twin bearing system absorbs thrust loads and reduces wear, while a hollow rotating shaft creates an internal cooling circuit that keeps bearing temperatures in check during continuous duty. The pump is close coupled to a 1/4 horsepower, 220 volt, single phase TEFC motor, giving it a compact footprint that's easy to install into existing skids, tanks, or process lines. With relatively few moving parts, routine maintenance is straightforward, and the pump's construction lends itself to long service intervals even in demanding environments.
Whether it's supporting a chemical dosing system, circulating process fluid in a manufacturing line, or handling transfer duties in a treatment facility, the MD-70RT-220 delivers a reliable balance of chemical resistance, energy efficiency, and low-maintenance operation that makes it a practical fit well beyond any single industry.
Key Features
- Seal-less magnetic drive design eliminates shaft seal leakage
- GFRPP polypropylene pump body and impeller for broad chemical compatibility
- Twin bearing system handles thrust loads and extends service life
- Hollow rotating shaft creates an internal cooling circuit to reduce bearing temperature
- Compact, quiet, energy-efficient operation
- Few moving parts for simplified maintenance
- Close-coupled TEFC motor for a space-saving assembly
Applications
- Corrosive and aggressive chemical transfer
- Chemical processing and dosing systems
- Water and wastewater treatment
- Plating and surface finishing lines
- Industrial recirculation systems
- General process fluid transfer
Specifications
- Model: Iwaki MD-70RT-220
- Pump Type: Magnetic drive centrifugal pump
- Pump Body Material: GFRPP polypropylene
- Impeller Material: GFRPP polypropylene
- Motor: 1/4 HP, 220 Volts AC, 1 Phase, TEFC
- Port Size: 1 inch NPT threaded
- Maximum Flow: Up to 25.6 GPM
- Maximum Head: Up to 31.8 feet
Frequently Asked Questions
Q: Is the Iwaki MD-70RT-220 suitable for corrosive chemicals?
A: Yes, its GFRPP polypropylene construction offers strong resistance to many corrosive and aggressive chemicals, making it well suited for chemical transfer applications.
Q: Does this pump require a mechanical seal?
A: No, the MD-70RT-220 uses a magnetic drive design, which eliminates the need for a mechanical shaft seal and helps prevent leaks.
Q: What kind of motor does the MD-70RT-220 come with?
A: It comes close coupled to a 1/4 horsepower, 220 volt, single phase, totally enclosed fan-cooled (TEFC) electric motor.
Q: How does the pump stay cool during continuous operation?
A: A hollow rotating shaft forms an internal cooling circuit that helps lower bearing temperature during extended use.
Q: What size connections does the MD-70RT-220 use?
A: It has 1 inch NPT threaded port connections for both the inlet and outlet.
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