The difference between electromagnetic pump and peristaltic pump?

Peristaltic pump: the transfering medium does not contact with the pump body, it is beneficial to transfer some media which are highly corrosive to metals, such as various acid and alkali solutions or some salt solutions containing chloride ions; easy to clean and disassemble. Due to the medium only flows in the hose, clean hose only, installation and removal of peristaltic pump hoses are relatively simple, just tap the motor to complete the installation and disassembly operation; speed and flow can be controlled. After the peristaltic pump decelerates by the reducer, speed is not fast, generally no more than 165 RPM/min.

And motor selection can use manual speed regulation and frequency conversion speed regulation, control flow more conveniently.

Peristaltic pump consists of three parts:peristaltic pumps are like squeezing a hose full of liquid with your fingers, slide your finger forward, The fluid in the hose moves forward. Peristaltic pumps work the same way, but with rollers instead of fingers. The fluid is pumped by alternately squeezing and releasing the pump’s elastic hose. Like squeezing a hose with two fingers, as the fingers move, negative pressure builds up inside the hose and the liquid flows with it.

Electromagnetic constant displacement pump: special positive displacement pump, flow rate can be adjusted in 0-100% range, used for conveying liquids (especially corrosive liquids). Also known as constant speed pump or proportional pump, belongs to the reciprocating positive displacement pump, used for high precision metering, usually requires that the stable accuracy of the metering pump is not more than 1%.