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Home » Saltwater Aquarium Supplies » Water Pumps » External » Up to 1000 GPH » Iwaki WMD Water Pump - (American Motor)

Iwaki WMD Water Pump - (American Motor)

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Magnetic water pumps. Magnetic driven. Sealess pumps for use on fresh or saltwater aquariums. Low heat exchange and quiet in operation. Highly durable design. WMD pumps have American Made Motors. MD pumps have Japanese Made Motors. RLT pumps are for pressure applications. RLXT pumps are for circulation and wet/dry return.

Iwaki Walchem magnetic drive pumps will run longer, quieter and cooler than any traditional mag drive. Extraordinarily high efficiencies make WMD & MD the clear choice in almost every process, recirculation or transfer application.

Unique internal Cooling Circuit
Creates a positive, forced cooling path, lubricating bearing surfaces and actively purging gases & heat. Unique double bearing system allows cooling circuit liquid to continually "wash" front and rear radial bearings, extending bearing life.

Precision Tolerances
Pumps can be supplied with alumina ceramic or SiC spindles, bored, turned and highly polished. This precision machined spindle forms the center of the driven magnet. Substantially reduced hydraulic noise is a major feature of all WMD/MD impellers. Great pains are taken in the molding/finishing process to eliminate tangential misalignment.

Bearings/Thrust surfaces
High lubricity fluoropolymer bearings minimize mechanical losses typical of conventional mag drive pumps. High purity SiC radial bearings handle the most aggressive ultrapure chemistries. PTFE front thrust surface aids hydraulic balance and minimizes flashing. Large rear thrust surface guards against axial forces caused by cavitation or gas entrapment.

Drive magnet
Dynamically balanced barium ferrite drive magnets provide best magnet torque. Die cast magnet carrier creates a flywheel effect, which adds to the magnet safety factor.

Motor matching
Offering more standard motor/pump configurations than other manufacturers offer for tailored pump applications. Premium, high efficiency motors are used throughout the line. Totally enclosed, permanent split capacitor motors are compact, cool and economical. Tolerance to voltage variation without overheating and 50/60 Hz operation allow the product to be used in a worldwide market.

Model: WMD20RLT*
Inlet(MPT)/Outlet(MPT): 3/4"/3/4"
Flow Rate @ 4` Head: 420 GPH
Max Head ft: 14.1

In the unlikely event there are any problems with Iwaki water pumps or warranty work is needed at some point, please contact Iwaki directly at 508.429.1440 for an RGA. Do NOT send a pump back to Iwaki without an RGA number. Please contact us for any assistance you may need in this unlikely situation.

Customer Reviews

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7 of 8 people found the following review helpful:

Great

Nice quality, needs more PSI by PETER FOLKESTAD

Experience Level: Expert

Posted on 4/16/2008 from VANCOUVER, WA UNITED STATES

Comments: This is a great magnet drive pump. The output angle can be adjusted by removing the propeller cover and rotate to however you want. Low amps and lightweight are a plus. I would like the pump to have more pressure like 30 to 40 PSI.
Yes, I would recommend this product to my friends.

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1 of 1 people found the following review helpful:

Excellent!

Great pump and quiet by rz1a

Experience Level: Intermediate

Posted on 12/3/2007 from EDINBURG, TX UNITED STATES

Comments: I bought this pump for a return on my nano and it is extremly quiet and powerful. Great choice!
Yes, I would recommend this product to my friends.

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Iwaki WMD Water Pump - (American Motor)

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