Comparison of diaphragm pumps and tube pumps

ケーエヌエフ・ジャパン KNF JAPAN

Regardless of the application, it is difficult to choose the best pump for the job. There are many liquid pump technologies available, but diaphragm liquid pumps and tube pumps (peristaltic pumps) are both commonly used. However, which technology is superior? And what applications are they suitable for? Choosing a pump is challenging due to the many factors to consider and the challenges associated with the diverse pump technologies available. The diaphragm pump and tube pump (peristaltic pump) are frequently adopted as liquid pump technologies. Both types of pumps are used in various applications. Below, we will discuss the advantages and disadvantages of these different pump technologies.

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Related product information

Diaphragm metering pump
Diaphragm pump

Compact size with a new design Simple and excellent operability Equipped with flow control function, adjustable flow via dial Low vibration, low noise, self-sustaining, capable of dry running Excellent corrosion resistance, maintenance-free Long lifespan Pump heads selectable for solvent compatibility High discharge type lineup 60mWg (6bar)
Features of KNF Diaphragm Pumps
Explanation of the mechanism and features of the KNF diaphragm pump.

- Over 90% of KNF's "OEM pumps" for equipment are project pumps customized to meet customer requirements. - Project pumps are subject to RoHS, REACH, CE marking, etc., and we will also provide chemSHERPA data. - Thanks to our modular system, we can offer a single unit without initial costs, with the optimal component configuration. - For project pumps, we will assign a dedicated project number that corresponds to a specific model number at the stage of preparing sample pumps. - The project number ensures confidentiality of pump specifications, traceability after shipment, 5M change management, and strategic pricing.