What is a Rolling Pump?

At OKENSEIKO, we call the diaphragm-driven compact pumps with a generic name of rolling pumps.
The rolling pumps include three types of products including air pumps, vacuum pumps and liquid pumps.
Each of these types includes a versatile line of pumps.

Air pumps / Vacuum pumps / Liquid pumps

Mechanism of rolling pump

		Each pump contains multiple diaphragm-driven cylinders to minimize the pulsation and implement a pump featuring a silent operation, long life and high discharge pressure. This mechanism is a result of OKENSEIKO's unique design and development technology.

The rolling pump mechanism 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.

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

Liquid pumps: These pumps feature excellent suction performance (3mAq) and forcing performance (40mAq). 1. Crusher 2. Drive shaft 3. Crank body 4. Umbrella valve 5. Diaphragm 6. Sliding section 7. Bearing

Line of rolling pump products

Features

• Compact size /　 Compact size and light weight. The most compact product is as thin as 8 mm and weighs only 10 grams (5 cc/min.).
• Low nois　/ Silent pumps with minimum noise of 40 dB.
• Low discharge pulsation　 / The multi-cylinder design helps maintain the pressure constant.
• Self-priming capability / Suction is possible without restriction of the pump installation position with respect to the liquid level.
• High discharge pressure　/ Max. 120 kPa.
• Wide storage temperatures　/ Normal operation is possible under temperatures from -30℃ to +80℃.
• Long life　 / More than 3000 hours (actual achievement).