RD Series

RD Series



Max. Discharge Capacity: up to 18.5 GPM

RD Series sealless pumps

Iwaki America, the world leader in centrifugal mag-drive pumps is proud to offer the latest in sealless pump technology. Recognizing the trend toward DC power and compact, long-life pumps for fluid recirculation, we have developed products without peers. Our new pumps are smaller, offer higher pressure, and last significantly longer than any traditional designs.

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Specifications Specfications
Dimensions Dimensions
Instruction Manual (Detailed) Instruction Manual (Detailed)
Instruction Manual (Condensed) Instruction Manual (Condensed)
Catalog Catalog

  • Easy to Integrate - DC Power, 24 volt, DC brushless motors with integral controllers make wiring and regulatory compliance easy. 12 VDC option available for OEM applications, contact Iwaki America for details.

  • Easy to fit - Our unique, canned motor design offers the most compact package available. Even “heads-up” mounting into a reservoir is possible, making it easy to find a home for this pump.

  • Easy on your ears - Our pumps have sound levels as low as 40dB. We can easily provide test data for each of our models.

  • Easy to live with - Brushless motors and our superior engineering offer design lives in excess of 25K hours.

  • Easy on your budget - Our pumps offer unmatched value! There are no parts kits because you won’t be needing them.
RD-05 0.55" x 0.32"
(14mm x 8mm)
1.2 GPM
(4.7 LPM)
11.8 FT

0.9 LB
(0.4 kg)

RD-05H 0.55" x 0.32"
(14mm x 8mm)
2.1 GPM
(7.9 LPM)
36.1 FT
1.0 1.1 LB
(0.5 kg)
RD-12 3/8" NPT
(18mm x 18mm)
3.4 GPM
(12.7 LPM)
22.3 FT
1.0 1.3 LB
(0.4 kg)
RD-12Z 3/8" NPT x 1/4" NPT
(18mm x 10mm)
1.0 GPM
(3.8 LPM)
34.4 FT
1.0 1.3 LB
(0.4 kg)
RD-20 0.71" x 0.71"
(18mm x 18mm)
5.2 GPM
(19.5 LPM)
30.5 FT
1.0 2.9 LB
(1.3 kg)
RD-30 0.71" x 0.71"
(18mm x 18mm)
6.2 GPM
(23.5 LPM)
37.7 FT
1.0 2.9 LB
(1.3 kg)
RD-40 1" NPT x 1/2" NPT
(25mm x 19mm)
6.6 GPM
(25 LPM)
49.2 FT
1.0 3.3 LB
(1.5 kg)
RD-40X 1" NPT x 3/4" NPT
(25mm x 25mm)
18.5 GPM
(70 LPM)
26.2 FT
1.0 3.3 LB
(1.5 kg)