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Do peristaltic pumps push or pull?
The working principle of the micro peristaltic pump can be roughly divided into two stages: the suction stage and the compression stage. In the suction stage, the pump peristalsis of the pump head is in a relaxed state. When the inlet pump peristalsis of the pump body leaves the outlet pump peristalsis, the pressure in the pump chamber drops, and the medium inside the pump will be pushed by the external pressure and enter the pump chamber from the inlet pipe. In the compression stage, the pump peristalsis of the pump head begins to contract, thereby generating pressure in the pump chamber, pushing the medium from the inlet of the pump chamber into the outlet of the pump body. Therefore, the micro peristaltic pump drives the medium to flow by the contraction of the pump peristalsis.
In addition, the mini peristaltic pump also has a flow control function. By adjusting the compression speed of the pump head and the volume of the pump room, the flow control of the pump can be achieved. Since there is no active mechanical contact between the pump head and the pump room, the working process of the micro peristaltic pump is very smooth and can resist the erosion of liquid and solid particles.
Can dc peristaltic pump full vacuum?
Micro peristaltic pumps usually cannot achieve a complete vacuum. Although peristaltic pumps can be used for pumping in some cases, their efficiency is low and the vacuum degree is also limited. When pumping air, the peristaltic pump needs to overcome the compressibility of the air because its power source comes from the compression slider, so the efficiency is low when pumping air. At the same time, the exhaust port of the peristaltic pump is connected to the outside through a hose, and the hose must be sealed reliably, otherwise it will affect the vacuum degree. Therefore, in an environment that requires a higher vacuum degree, a peristaltic pump is not an ideal choice. Micro peristaltic pumps are mainly used to transport liquids with high viscosity and large particles, and can perform well in these applications.
Technical Specification
| Voltage | DC12V | Current | 500mA |
| Power | 3.9W | Pressure | 80kpa |
| Flow | 12-18mlpm | Noise | 60db |
| Life span | more than 500 hours | Application | Vacuum cleaner,soap dispenser,cooking robot,cosmetic machine |
What is the pressure limit for a small peristaltic pump?
The pressure limit of a small dc peristaltic pump is affected by many factors, including the design of the pump, the material and state of the hose, the speed and frequency of the pump, etc.
Generally speaking, the pressure of a peristaltic pump is usually between 0.5-12bar, but if a special design is adopted, such as increasing the number of pump heads or using special materials, the pressure can even reach more than 20bar.
In addition, the pressure of a peristaltic pump is also related to the wall thickness of the hose. For example, the pressure range of a peristaltic pump with a wall thickness of 2.4mm or less is 0-0.25MPa, while the pressure range of a peristaltic pump with a wall thickness of 4.8mm or more is 0-0.6MPa. This means that the thicker the wall thickness of the hose, the greater the pressure it can withstand.
However, it should be noted that excessive pressure may cause increased wear of the hose and reduce the life of the pump. Therefore, in practical applications, it is necessary to select a suitable peristaltic pump and hose according to the specific usage scenario and needs, and control the speed and frequency of the pump to ensure the normal operation and service life of the pump.
Dimension Drawing
Can you pump air with a peristaltic water pump?
Micro peristaltic pumps can pump air. Although peristaltic pumps were originally designed to deliver liquids, they are also suitable for gas delivery due to their unique working principle, which is to generate flow by periodically squeezing the hose through rollers or pressure blocks.
However, it should be noted that due to the compressibility of air, the efficiency of peristaltic pumps when pumping air may not be as high as when transporting liquids. In addition, in order to ensure the effectiveness of pumping air, the hose of the peristaltic pump must remain sealed to avoid gas leakage.
DYX mini pumps and solenoid valves application
How do you increase the flow rate of a dc electric peristaltic pump?
Replace the hose: At the same speed, the transmission flow can be expanded by replacing hoses of different types. For example, if you change from a 13# hose to an 18# hose, the flow rate may increase significantly.
Replacing the pump head: Peristaltic pumps can also expand the flow rate by replacing the pump head. By selecting a suitable pump head model and replacing it according to application requirements, the flow rate can be increased. However, it should be noted that replacing the pump head may affect the outlet pressure, so the choice needs to be based on the actual situation.
Increase the rotational speed: Increasing the rotational speed of a peristaltic pump is a common method to increase flow. Generally, increasing the speed will increase the flow rate of the pump, but it may also reduce the head of the pump. Therefore, trade-offs and adjustments need to be made based on actual needs.
Use multiple peristaltic pumps in parallel: If the flow rate of a single peristaltic pump cannot meet the demand, you can consider using multiple peristaltic pumps in parallel. By connecting multiple pump heads together, flow rates can be superimposed to meet higher flow requirements.
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Main Product:
Mini Diaphragm Pump,
Solenoid Pump ,
Peristaltic Pump,
Piston Pump,
Solenoid Valve,
Solution For Mini Pumps And Valves
