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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 Types of micro diaphragm liquid pump
Mini Diaphragm Liquid Pump 7121
This is a single-head diaphragm pump with liquid passing. There are mainly two flow rates to choose from 300ml/min and 600ml/min.

Double-head Diaphragm Pump 7122
This is a double-head diaphragm pump with liquid passing. There are different flow rates to choose from: 300ml/min, 600ml/min and 1.2L/min...

Benefits of mini liquid pumps
1
Compact.

2
Piston Structure.

3
Optional Tip Cones Length.

4
Auto Tip Ejector and Detection.

5
Over One Million Work Times.

6
Liquid Level Detection and Following.

7
Clogged Tip Detection.

9
Adapt to Regular Tips.

Advantages of miniature liquid pump
The advantages of diaphragm liquid pumps
are as follows:

Compact structure, light-weight and large flow;

Excellent dynamic balance, low vibration and low noise;

Using brush-less motor with long life and maintenance-free;

The pump body material has good resistance to corrosion and oxidation, and is applicable for a variety of working media;

High output pressure.

Excellent reliability and easy installation.

We provide fluid control components, high lifetime solenoid valves,pinch solenoid valve, etc. For more information, please feel free to contact us!