When selecting a peristaltic pump, it's essential to carefully evaluate several key factors to ensure optimal performance and longevity. First, when choosing the hose, consider the following: Flow rate – refer to the hose flow curve for accurate performance data; chemical compatibility – select a hose material that is resistant to the fluid being pumped; operating temperature – different materials perform differently under varying temperatures; suction requirements – use high-performance hoses if the application demands strong suction; and hose life – the lifespan of the hose depends on usage conditions, including pressure, frequency, and the nature of the fluid.
Next, when selecting the pump head, focus on these aspects: Flow capacity – choose a pump head that matches the required flow rate; ease of hose replacement – most Lange pump heads (except the BZ series) are designed for quick hose changes; channel count – decide whether a multi-channel pump head or a series-connected unit is needed based on your application; and chemical resistance – ensure the pump head material can withstand any fluid exposure.
Finally, when selecting the drive system, take into account the following: Flow rate – higher flow rates may require faster drive speeds; flow control – choose between fixed or adjustable speed settings, and consider flow correction features for precise control; flow distribution – if multiple lines need equal or specific flow distribution, select a drive that supports this function; external control options – some applications may require remote or automated control; and environmental protection – assess the need for sealed drives, dust resistance, or water protection depending on the operating environment.
By carefully considering these elements, you can ensure that your peristaltic pump system is well-suited for its intended application, delivering reliable and efficient performance over time.
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