The working principle of the diaphragm pump is that the motor drives the elastic diaphragm to reciprocate through the eccentric wheel so that the volume of the cavity changes. The inlet and outlet are designed as one-way valves to realize the suction and discharge of the medium.

Types of Miniature Diaphragm Air Pumps

Miniature Diaphragm Air Pump 7101

This is a single-head mini diaphragm pump with air passing. There are mainly different flow rates to choose from: 1.4L/min, 5L/min and 8L/min.

Miniature Rolling Pump 7401

7401 series is a rotary pump that can pass both liquid and gas. The flow parameter of liquid passing is mainly 300ml/min, and the flow parameter of gas passing is mainly 1.4L/min.