RP-3S
RP-700
RP-600
RP-Q2B/C_Q3B/C
RP-500/501
RP-H
RP-GⅢ
RP-TX
RP-HX
We are "Aquatech Co., Ltd." Our company develops, manufactures and sells the original tube pump "Ring Pump".
With our unique technology, we provide pumps that are useful in a variety of situations.

★"Ring Pump" is a registered trademark of Aquatech.

New info
Mra. 12, 2024
NEW Product information;
Large discharge rate by 3 pump heads;   RP-3S series
  • Ring pump with a discharge rate of 9 - 2,500 mL/min using a stepper motor.
  • Because 3 pump heads are connected, pulsation of discharge flow can be reduced.
  • Three types of liquids can be delivered at the same time by using separate tubes.
Dec. 26, 2023
NEW Product information;
RP-H series
Pump head replacement type, capable of discharge rate up to 10 mL/min;
  • Pump drive motors can be selected from a brushed DC motor, a brushless DC motor, and a stepper motors.
  • Pumps using a brushless DC motor and a stepper motor are equipped with a needle roller bearing. Therefore they achieved 5,000 hours of continuous operation.
    (Our experimental value using water. Life expectancy is not guaranteed.)
  • You can choose from 6 types of tubes depending on your application.
Feb. 1, 2023
Model added to RP-WII series
    Added model RP-WII04F-700Z-DC24V with discharge rate of 700mL/min to RP-WII series.
Dec. 28, 2022
Publish web page for smartphones
   We have released a web page suitable for browsing on smartphones.
   When you access this homepage on your smartphone, it will automatically switch.
Oct. 3, 2022
NEW Product information;
Stepper motor controller RE-C600
  • Stepper motor controller for 1 piece of RP-TX, HX, RP-QⅡB/C, and RP-QⅢB/C series
  • Various pump operation can be controlled by a computer connected to RE-C600.
  • The pump can be stopped at specified number of revolutions, supporting fixed discharge.
Sep. 1, 2022
NEW Product information;
RP-QⅡB/C, QⅢB/C series with stepper motor

The model using a stepper motor has been added to the popular micro pump RP-QⅡ/QⅢ series.
It is possible to control the discharge rate more finely than ever before.

Sep. 1, 2022
NEW Product information;
Motor controller RE-C500/C501
  • Stepper motor controller for RP-HX, RP-TX, RP-QⅡB/C, RP-QⅢB/C series
  • Various pump operation can be controlled by a computer connected to RE-C500.
  • RE-C500 can control 6 pumps individually.
  • Furthermore, up to 12 pumps can be controlled by adding one RE-C501.
Sep. 1, 2022
NEW Product information;
Constant discharge pump system; RE-C300-H/HⅡ/M/KⅡ