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Ring Pump RP-WⅡ series

RP-W2 Photo
  • Toughest pump among the lineup of our Ring Pump.
  • A double pump with two tubes and two rotors inside reduces the pulsation of the discharge flow.

Catalog (PDF)
Outline drawing (PDF)
3D CAD data (STEP)
2D CAD data (DXF)

Standard model (Spec 1)
Model No. Voltage
(DC V)
Discharge rate
Tube Motor
Material IDxOD
RP-WⅡ04F-350Z-DC24V 24 350 PharMed BPT 4.0 x 8.0 Motor A
RP-WⅡ04F-500Z-DC24V 24 500 PharMed BPT 4.0 x 8.0 Motor A
RP-WⅡ04F-700Z-DC24V 24 500 PharMed BPT 4.0 x 8.0 Motor B
Outline drawing
RP-W2 Outline drawing
  • The arrows indicate the discharge direction when the positive side of DC power is connected to the terminal with the + mark and the negative side is connected to the terminal on the opposite side.
Mounting holes
RP-W2 Mounting hole drawing
*Install with the motor shaft horizontal.
Motor B
RP-S Motor B

P-Q characteristic
RP-W2 P-Q *It varies depending on the tube material / size and the motor.