Life Cycle of Peristaltic Pump

2021-12-06

The initial investment cost of the Peristaltic Pump may be slightly higher than that of other positive displacement pumps, but the cost of installation, maintenance, and spare parts for other pumps may be very large. In terms of life cycle cost, the peristaltic pump is superior.
In a peristaltic pump, the tube or hose is the only wet part, requiring little maintenance and no expensive seals to replace, no check valves to clog, and no rotor or stator to wear out. Of course, the hose or tube needs to be replaced periodically, even so, in front of the hose fatigue failure, the industrial-grade peristaltic pump can realize reliable thousands of hours of work. And replace the hose process takes less than 1 hour, in some cases, it only takes a few minutes In addition, without any special tools, the hose can quickly in good safety
Then the diaphragm pump or single screw pump for 4 to 6 hours of repair, time is much less, that doesn't include them in the mobile transfer and reinstall when compared to take the extra time diaphragm pump or repair of the single screw pump and the hose is very low, the cost of the wet end of the latter can replace parts (ball rotor and stator, for example) accounted for 75% of the initial purchase cost of the pump
Peristaltic pumps do not require the installation of auxiliary equipment diaphragm pumps need back pressure valves and exhaust valves to ensure the correct operation of internal check valves single screw pumps usually require dual mechanical seal flushing system dry operation protection and built-in check valves while using peristaltic pumps, the cost of these auxiliary components can be eliminated
The need for process control and chemical compatibility generally make peristaltic pumps cheaper than other positive displacement pumps. For example, when a single screw pump can only use expensive metals to meet corrosion resistance requirements, its price can increase exponentially
Many positive-displacement pumps require the purchase of separate control panels or frequency converters to enable variable flow metering. Increasing the flow range can add cost and complexity. However, peristaltic pumps have closed-loop speed control capabilities with a high flow range and scalable I/O interfaces that connect to DCS, SCADA, and PROFIBUS systems

Peristaltic pump has a self-priming function (about 10 meters), it improved the security of the operating personnel, for reducing the dangerous chemical process The pump also has a certain function of dry running, very suitable for tank drain or another unattended operation occasion Peristaltic pump can also work, simply change the direction of rotation can be used to drain pipe blockage or ruled out.

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