针对医疗和工业应用的蠕动泵

Thomas 蠕动泵的优势

Thomas 拥有自吸、干式运行蠕动泵技术，其设计简化了维护，注重易用性。蠕动泵是泵送剪切敏感性物质的理想解决方案，该项泵技术能够轻柔平稳地移动液体。 

我们的泵产品的流量范围从小于 0.1 毫升/分钟到高达 3000 毫升/分钟。特殊型号可以处理高达 10 巴的高压。

我们的管式泵由交流、直流和步进电机驱动，可顺时针或逆时针运行。此外，泵系统可以进行短时或连续运行。因而，每个原始设备制造商都可以根据自己的应用找到合适的产品。

一款适合各种应用的理想蠕动泵

人们常说的管式泵有一个巨大的优势： 在无交叉污染风险的情况下，准确配量或计量。凭借这一优势，蠕动泵成为各种行业和应用的理想选择。

例如，在医疗或实验室设备中，蠕动泵可用于处理无菌液体、透析、过滤或生物处理。食品、农业或消毒工艺可以用它们来分配食品或饮料、维生素或化学品。也可用于废水处理或其他环保应用，如气体分析中的冷凝水排出。

使用蠕动泵的特色应用

主要的医疗应用：

• 透析
• 医疗设备
• 清洗机/高压灭菌器
• 配量应用

主要的工业应用：

• 冷凝水排出
• 工业洗碗

根据您的需求量身定制

Thomas 工程师可以通过改造泵头部件、电机和管子来定制软管泵，满足您的具体要求。Thomas 根据您的需求，提供适合各种流体的不同管材。

• 标准 Novoprene 管，适合各种应用，寿命长。
• Norprene® 管，适用于碱性液体，寿命同样很长。
• PharMed BPT®，一种高品质管，专门用于医疗、实验室和研究领域。具有独特的结构，保证了耐化学品腐蚀性的提高。寿命长、具有生物相容性，适合高压灭菌器。
• 硅胶管，可以在较宽的温度范围内保持弹性，是极性溶剂的理想选择。

How Long Do Peristaltic Pumps Last? How Can Peristaltic Pumps Flow Rate Be Controlled? 

Flow rates are proportional to motor speed. This makes peristaltic pumps suitable for dispensing and dosing applications. In order to choose the right motor, there are a few aspects to consider. Direct current motors are available in different quality levels ranging from 500 up to 4000 hours of operation. The limiting factors of those motors are the brush system and the bearings. In AC motors lifetime ranges between 1000 hours in shaded pole variants up to more than 10,000 hours in capacitor versions. 

When it comes to stepper and brushless DC motors the limiting aspect is usually only the bearing system. In the BLDC and stepper motors, the speed can be adjusted during operation very easily. Those motor types are commonly used when a variable flow rate is needed. 

Optimizing Fluid Transportation 

How Do I Choose a Peristaltic Pump Tubing? 

Choosing the appropriate tubing is a pivotal decision to ensure optimal performance of your peristaltic pump (Check this  page  to know the importance of using high-quality tubing for good pump performance). Thomas offers a variety of tubing options that cater to diverse needs: 

• Silicone Tubing: Ideal for non-aggressive media. It remains elastic over a wide temperature range and is suitable for a range of fluids. 
• TPV Tubing: Combines the processability of Polypropylene with the elastomeric properties of EPDM. Common tubing materials include PharMed® BPT or Santoprene™. 
• Fluoroelastomeric Tubing: Used for chemically corrosive media. Materials like Viton® are employed for these applications. 

Depending on your application, a different tubing should be chosen. For extended tube lifetime, larger inner diameter tubing and low motor speed are advantageous. Higher flow rates necessitate larger inner diameter tubing and high motor speed. When accuracy is paramount, minimal inner diameter tubing and high motor speed are recommended. For pumping viscous liquids, tubes with higher wall thickness ensure quick recovery of the original shape. 

To maintain fluid purity, it's crucial to avoid spallation, a process where particles from tubing are shed into the fluid. This is particularly significant in biological, pharmaceutical, or medical applications. Special TPV materials like Versalloy™ are designed to minimize spallation and enhance tubing performance. 

Leverage the expertise of Thomas to make an informed choice and ensure that your peristaltic pump system operates at its best. For detailed insights and personalized assistance, reach out to our experts. 

Tailored Excellence 

What To Consider In Peristaltic Pumps? 

When exploring the realm of peristaltic pumps, several key factors merit attention, ensuring a well-rounded and effective pumping solution: 

• Pulsation Reduction: Many peristaltic pumps incorporate a spring-loaded mechanism, optimizing pumping precision by minimizing pulsation. This feature proves particularly crucial when handling delicate fluids like living cells. 
• Adaptable Pump Performance: A vital consideration involves tailoring the pump to accommodate different tube dimensions, aligned with varying flow rate requirements. This adaptability ensures seamless performance across diverse applications. 
• Adjustable Occlusion: Advanced pump models offer an adjustable occlusion feature. This capability facilitates fine-tuning the pump to match varying pressure levels within fluidic systems. Additionally, it enables optimization for different tubing materials, catering to distinct fluid properties. 
• Ease of Use: Peristaltic pumps distinguish themselves through user-friendly design. The tubing or pump head can be effortlessly replaced within seconds, streamlining maintenance. The absence of internal valves further enhances usability, offering advantages such as bidirectional liquid transfer without restrictions, ideal for viscous media. 
• Enhanced Efficiency with Multi-Channel Pumps: For heightened efficiency, multi-channel peristaltic pumps prove invaluable. With a single motor driving a pump head featuring up to 15 separate tubes, diverse media can be simultaneously transferred or distributed across multiple vessels. 
• Impact of Roller Count: The number of rollers employed significantly influences fluid handling. Higher flow rates typically utilize two or three rollers, albeit with a trade-off of increased pulsation. Conversely, gentler medium transfer necessitates more rollers to maintain a balanced pulsation level. 
• Cross-Contamination Prevention: A critical concern in medical and analytical processes is the avoidance of cross-contamination. Peristaltic pumps excel in this regard, as only the tubes come into contact with the medium. Swift and simple tube replacement after each cycle ensures a clean and sterile process. 

Beyond these considerations, peristaltic pumps find versatile applications, ranging from detergent dispensing in industrial dishwashers to condensate removal in emissions monitoring. Furthermore, they play a pivotal role in vital medical equipment like dialysis machines, exemplifying their significance across varied industries. 

In your pursuit of excellence, these factors guide your exploration of peristaltic pumps. Thomas' engineered solutions ensure a tailored solution that aligns perfectly with your specific operational needs.