蠕動泵的優(yōu)點：
Advantages of peristaltic pumps:
■無沾染-液體只接觸泵管
With the liquid pump non - contact
■耐久-適合各種工業(yè)或?qū)嶒炇覘l件
- endurance - suitable for various industrial or laboratory conditions
■易于清洗和清潔-只需簡單更換泵管就可重新工作
- easy to clean and clean - you simply replace the pump can work again
■多用途-柔和，低剪切流動適合用于液體，氣體，兩相流以及高粘流體
- versatile - soft, low shear flow is suitable for liquid, gas, two-phase flow and high viscosity fluid
■低維護-無密封件，無閥門
- low maintenance - no seals, no valve
■很好的自吸功能-非虹吸，可干轉(zhuǎn)并自吸整套系統(tǒng)
- good self-priming function non - siphon, dry and self suction system
絕大多數(shù)蠕動泵系統(tǒng)都包括三個組件：泵頭、泵管，以及驅(qū)動器，下面我們就來談?wù)?，組件的選購要點；
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.選擇管
1. selection tube
◆作為蠕動泵軟管的條件
As the peristaltic pump hose condition
·具有一定彈性，即軟管徑向受壓后能迅速恢復(fù)形狀
? 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
·具有一定承受壓力的能力
? ability to cope with pressure
·不滲漏(氣密性好)
No leakage (good air tightness)
·吸附性低、耐溫性好、不易老化、不溶脹、抗腐蝕、析出物低等
Low adsorption, good temperature resistance, aging, swelling, corrosion resistance and low precipitation
◆選擇軟管應(yīng)考慮如下因素
The choice of hose should consider the following factors
·抗化學(xué)腐蝕性/化學(xué)相容性
Chemical resistance / chemical compatibility
傳輸不同的流體時，軟管應(yīng)表現(xiàn)出一定優(yōu)良化學(xué)性能，即稱之為化學(xué)相容。如：吸附性低、耐溫性好、不易老化、不溶脹、抗腐蝕、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
抗化學(xué)腐蝕性能隨溫度的升高而降低，在室溫下對管沒影響的化學(xué)藥品可能隨溫度升高對軟管產(chǎn)生影響。
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.
·承壓
Pressure bearing
蠕動泵的應(yīng)用受軟管承壓性能的限制。
The application of peristaltic pump is limited by the pressure bearing performance of the hose.
如果系統(tǒng)壓力達(dá)到超過軟管的極限承壓，軟管會膨脹，導(dǎo)致軟管的過度磨損或軟管破裂。
If the system pressure exceeds the limit of the hose, the hose will expand and cause excessive wear of the hose or hose rupture.
影響軟管承壓的因素有：材料、直徑與壁厚的比例等。
The factors affecting the pressure of the hose include material, diameter and wall thickness.
·溫度
Temperature
軟管適應(yīng)工作溫度范圍是用戶要考慮的因素。不同材料有不同的溫度表現(xiàn)。
Flexible hose operating temperature range is a factor for users to consider. Different materials have different temperature performance.
