With the aim of "contributing to society by creating a flow", we provide Ring Pumps that can be used in a variety of situations using our unique technology.
This website introduces information about Ring Pump and our product lineup.
❊"Ring Pump" is a registered trademark of our company.
- July 26, 2024
- Notice of Summer Holidays
Thank you very much for your continued patronage.
Our company will be closed during the following period in August.
【Closure period】 August 10th (Sat), 2023 - August 18th (Sun), 2024
Please note that all inquiries received via email or fax during this closure period will be sequentially responded to from August 19th (Mon), 2024 onwards.
We apologize for any inconvenience this may cause and appreciate your understanding. - July 23, 2024
- Comparison of Tube Inner Wall Wear
Comparison data on tube inner wall wear particles between our Ring Pump and other
manufacturer's roller pump is now available for download. (It is our experimental data)• For the explanatory article, please click here.
• To download the data, please click here. - June 6, 2024
- NEW Product information;
We added the RP-QⅡF/QⅢF models, which feature increased discharge rates, to our RP-QⅡ/Ⅲ series with stepper motors.• The discharge rates range from 2.6 to 2,600 μL/min.
• The appearance and size are the same as the existing RP-QⅡB/QⅢB and QⅡC/QⅢC models.
• Due to the change in motors, we are also launching the dedicated motor controller RE-C602
simultaneously.
- Mar. 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;
Pump head replacement type, capable of discharge rate up to 10 mL/min; RP-H series -
• 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 smart phones
We have released a web page suitable for browsing on smart phones.
When you access this homepage on your smart phone, it will automatically switch.
- Oct. 3, 2022
- NEW Product information;
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
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NEW Product information;
Constant discharge pump system; RE-C300-H/HⅡ/M/KⅡ -
• A constant discharge pump system is realized by the pump using a DC motor with an encoder
and the motor controller RE-C300 that accurately stops the rotation of the motor at an integral
multiple of one rotation.
• We offer the following 4 series of pumps.
RP-H···DC24VE, RP-HⅡ···DC24VE, RP-M···DC24VE, RP-KⅡ···D24VE