蠕动泵的优点：
Advantages of peristaltic pumps:
■无沾染-液体只接触泵管
With the liquid pump non - contact
■耐久-适合各种工业或实验室条件
- endurance - suitable for various industrial or laboratory conditions
■易于清洗和清洁-只需简单更换泵管就可重新工作
- easy to clean and clean - you simply replace the pump can work again
■多用途-柔和，低剪切流动适合用于液体，气体，两相流以及高粘流体
- versatile - soft, low shear flow is suitable for liquid, gas, two-phase flow and high viscosity fluid
■低维护-无密封件，无阀门
- low maintenance - no seals, no valve
■很好的自吸功能-非虹吸，可干转并自吸整套系统
- good self-priming function non - siphon, dry and self suction system
绝大多数蠕动泵系统都包括三个组件：泵头、泵管，以及驱动器，下面我们就来谈谈，组件的选购要点；
Most of the peristaltic pump system comprises three components: pump head, pump, and drive, we are going to talk about, buy points of components;
1.选择管
1. selection tube
◆作为蠕动泵软管的条件
As the peristaltic pump hose condition
·具有一定弹性，即软管径向受压后能迅速恢复形状
• a certain flexibility, that is, the hose can be quickly restored to shape after radial compression
·具有一定的耐磨性
It has a certain wear resistance
·具有一定承受压力的能力
• ability to cope with pressure
·不渗漏(气密性好)
No leakage (good air tightness)
·吸附性低、耐温性好、不易老化、不溶胀、抗腐蚀、析出物低等
Low adsorption, good temperature resistance, aging, swelling, corrosion resistance and low precipitation
◆选择软管应考虑如下因素
The choice of hose should consider the following factors
·抗化学腐蚀性/化学相容性
Chemical resistance / chemical compatibility
传输不同的流体时，软管应表现出一定优良化学性能，即称之为化学相容。如：吸附性低、耐温性好、不易老化、不溶胀、抗腐蚀、析出物低等
When transporting different fluids, the hose shall exhibit certain good chemical properties, which is called chemical compatibility. Such as: low adsorption, good temperature resistance, not aging, swelling, corrosion resistance, low precipitation
抗化学腐蚀性能随温度的升高而降低，在室温下对管没影响的化学药品可能随温度升高对软管产生影响。
The resistance to chemical corrosion decreases with increasing temperature, and chemicals that do not affect the tube at room temperature may have an effect on the hose as the temperature increases.
·承压
Pressure bearing
蠕动泵的应用受软管承压性能的限制。
The application of peristaltic pump is limited by the pressure bearing performance of the hose.
如果系统压力达到超过软管的极限承压，软管会膨胀，导致软管的过度磨损或软管破裂。
If the system pressure exceeds the limit of the hose, the hose will expand and cause excessive wear of the hose or hose rupture.
影响软管承压的因素有：材料、直径与壁厚的比例等。
The factors affecting the pressure of the hose include material, diameter and wall thickness.
·温度
Temperature
软管适应工作温度范围是用户要考虑的因素。不同材料有不同的温度表现。
Flexible hose operating temperature range is a factor for users to consider. Different materials have different temperature performance.
