March LC-3CP-MD Magnetic Drive Pump 115V

March LC-3CP-MD Magnetic Drive Pump 115V

The March LC-3CP-MD is a sealless magnetic drive centrifugal pump built with polypropylene wet end with a hermetically sealed motor. The motor turns a drive magnet behind the rear housing, that magnet pulls the impeller magnet sealed inside the wet end, and the result is a pump with no shaft seal, no packing and no coupling alignment to maintain. For anything corrosive, expensive or simply unwelcome on the floor, that is the whole argument for a magnetic drive.

The LC-3CP-MD needs a flooded suction and a liquid that keeps flowing through it. It will not lift and it will not tolerate dry running, and a trimmed impeller is the correct answer when the liquid has a higher specific gravity or viscosity than water, or when the temperature is elevated. Beyond that it is a low maintenance pump with three wear parts and no seal to service.

Key Features

• March LC-3CP-MD sealless magnetic drive centrifugal pump
• Polypropylene wet end with a hermetically sealed motor
• Supplied for 115V operation
• 8.5 GPM and 19 ft of head at 25 PSI and 130 F
• Series rating is up to 10 GPM with 20.5 ft of head
• Maximum internal pressure 50 PSI, liquid temperature to 190 F
• No shaft seal, no packing and no dynamic seal anywhere in the design

Applications

• Chemical transfer, dosing and recirculation
• Plating, etching, photo processing and rinse lines
• Water treatment, filtration and laboratory circulation
• Hydronic, cooling, chilling and heat exchanger loops
• Marine and OEM equipment where a leaking seal is unacceptable

Specifications

• Brand: March Pumps (March Manufacturing Inc)
• Model: March LC-3CP-MD
• Type: Sealless magnetic drive centrifugal pump
• Construction: Polypropylene wet end with a hermetically sealed motor
• Electrical: 115V
• Configuration: 8.5 GPM and 19 ft of head at 25 PSI and 130 F
• Series Performance: up to 10 GPM with 20.5 ft of head
• Series Connections: 3/4 in FPT inlet with 1/2 in MPT outlet on CP models, 3/4 in OD on AP models
• Maximum Internal Pressure: 50 PSI
• Maximum Liquid Temperature: 190 F
• Condition: New, genuine March replacement part

Frequently Asked Questions

Q: What wears out on this pump?
The impeller assembly, the stationary shaft and the thrust washers. Everything else in the wet end is static.

Q: Can it run on 50 Hz?
These motors are rated for 50 and 60 Hz where the nameplate says so, but flow, head and speed are all lower on 50 Hz.

Q: Will it prime itself?
No. March magnetic drive pumps need a flooded suction and produce no suction lift, so the pump has to sit below the liquid level unless a self priming chamber is fitted.

Q: What happens if it runs dry?
The impeller bushing and shaft lose their only lubricant and wear very quickly. A few seconds is survivable, a few minutes usually is not.