ROLLING PUMPS

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What is Rolling Pump?

Air Pump

We call motor-driven diaphragm pumps as "Rolling Pump".
Rolling pumps include three types of pump, air pumps, vacuum pumps, and liquid pumps.
Every type has variety of model, and they surely will satisfy your requirements.

Mechanism of compact air pump

Mechanism of Air pump

Rolling pumps contain multiple diaphragms to minimize the pulsation, noiseless operation, long life, and high pressure.
This mechanism is an achievement of OKEN SEIKO's unique design and development technology.

Mechanism of rolling pumps is simple and easy to implement using multiple cylinders per motor .
This is the reason that our rolling pumps feature space saving and high flow .
In addition, this structure also reduces the motor torque variation and thereby minimizes pulsation.

These pumps feature very high flow and high compression pressure (80 to 120 kPa ) compared to their sizes.
Their discharge valve construction (hat valve) enables silent operation, with which the noise level is maintained low from no-load to maximum pressure conditions.

  • Ultra compact air pump

    Ultra compact air pump

    Model : RSP08D03R

    Ultracompact air pump with only 8mm thickness and 0.09mL/min free flow.
    This model is mainly adopted to wrist NIBP and other measurement system.

  • Multi-purpose air pump

    Multi-purpose air pump

    Model : P54A02R

    Universal pump with φ27 pump head, 1.8L/min free flow, and 95 kPa Max pressure. General-purpose applications include medical equipment, precision equipment and home electric appliances.

  • Large flow air pump

    Large flow air pump

    Model : RFP55B01R

    55mm square head, 17L/min free flow, and 95kPa Max pressure. The applications include healthcare devices and automotive equipment.

Air Pump List

Table can be scrolled horizontally

※1 ※2 ※3
Model Voltage
[VDC]
Max Pressure
[kPa]
Free Flow
[L/min]
min Current
[mA]
Noise
[dBA]
Life
Guaranteed value
[h]
Life
Actual value
[h]
Remarks
RSP08D03R 2 50 0.08 70 40 140 200 Image
RWP12J02R 6 80 0.85 170 55 80 150 Image
RWP16B08RG 6 95 1.3 200 53 90 200 3V,12V
RWP18A16RW 6 85 1.7 150 51 70 200 12V
RWP18B16RW 6 85 1.7 150 51 70 200 12V
P53B01R 6 85 1.7 180 47 70 100  
P53J02R 5 95 1.2 150 43 500 1000  
P54A02R 6 90 1.8 180 48 70 200 12V,Image
P54B18R 3 90 1.8 430 48 70 150  
P54C03RG 6 90 1.8 200 48 200 400 12V
P54D04RG 12 95 1.8 120 48 250 700  
P54E12RG 12 95 2 120 48 2000 3000 Brushless motor
RTP32G06R 6 105 3.2 250 55 250 500  
RFP32L28R 12 95 4 300 53 100 400 6V,Image
RFP32H05R 12 135 4.8 320 55 100 400 High-pressure type
RFP37D01R 12 105 9 450 55 500 1000  
RFP37G02R 12 105 8.5 450 55 4200 8000 Brushless motor
RFP45J02R 12 80 9 450 53 350 500 Image
RFP55B01R 12 95 17 950 63 600 1000 Image

Our products' lifespan is guaranteed under specific conditions but may vary depending on the actual usage conditions.

  • ※1 Performance values are on average.
  • ※2 Operation time is guaranteed. Operation cycles differ depending on the model.
  • ※3 Average performance tested using a proven testing method.