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泵送粘性流体 粘性流体的流动速度比类水流体慢得多，原因包括： 流体比水更具抗流动性。 粘性流体与管壁之间的摩擦力比水大。 蠕动（泵管）泵是泵送粘性流体的理想选择。请按照以下步骤操作以确保蠕动泵系统达到最佳效率。 减慢泵的速度， 流体只会以特定流速进入泵头。一旦达到这个流速，不会再因电机速度的增加而加快。随着粘度增加以及泵管尺寸减小，系统的最大有效泵送速度将降低。 选择的泵管尺寸应大于 泵水所需的尺寸。选择 100 rpm 时各种粘性流体的近似流速，这适用于不同尺寸的 Masterflex®...

Chairs Laboratory chairs are a working tool! This is why it is often considered as belonging to one people in the lab. Each chair must fit perfectly with the dedicated working situation. Each model is equipped with mechanical devices allowing the ...

Disposable Cleanroom Sleeve Protectors They have an elastic adjustment on both sides and are available in different lengths materials and colours. Chemotherapy protective sleeves offer a maximum comfort and protection recommended use in cleanroom ...

Masterflex Integrated Pump Systems: An Easier Solution Ordering a pump system can be rigorous and time-consuming. Selecting just the right drive pump head tubing pressure gauges flowmeters and other components takes careful consideration. Once the...

3M Solutions - Respiratory Respiratory Science driven innovation helping to provide comfort fit and protection 3M offers you the widest range of disposable reusable and powered & supplied air respirators for the widest range of industrial and othe...

粘性流体泵管选型指南 如何使用本图表 示例： 您想以 150 mL/min 的速度泵送 800 厘泊的流体。在上图中“流速”轴上找到 150 mL/min，在“粘度”轴上找到 800 厘泊。沿着两条线找到它们的交汇处。从图中可以看出，L/S® 35 和 L/S® 36 泵管可实现所需的流速。这些泵管同样适用于粘度较低以及流速较低的情况。 注意： 所有粘度测试数据均基于坚固的泵管材料，例如 Norprene®、PharMed®、Viton®以及 Tygon® ，因为这些配方在高粘度应用中表现...

接头选型指南 如何选择合适的接头 选择您的接头 基本接头类型 管螺纹尺寸 接头符合性证书 选定合适的泵、色谱系统或发酵设备后，您将需要将它们正确连接。选用错误的接头会导致泄漏、不必要的流量限制和代价昂贵的停机时间。合适的配件可以让您的设备实现既定的用途。这也是 Masterflex 会提供如此多的接头以供选择的原因。无论您需要连接微孔管还是泵管，您都可以从我们提供的各种类型和尺寸的接头中找到适合您应用的接头。 选择您的接头 考虑所使用的泵管 倒钩接头最适合与柔性泵管搭配使用，例如硅胶管或 ...

Chem-Durance Chemical pump tubing Introduction Choosing a pump tubing formulation often means compromising on one or more key performance characteristics. Formulations that offer broad chemical resistance typically do not offer long pumping life. ...

Universal Pattern Guide for AC Power Plugs/Sockets Electrical plugs and their sockets differ by country in shape size and type of connectors. The current Universal Pattern Guide for AC Power Plugs/Sockets are available for FREE download on this Wo...

Lab Blenders Bags & Straw Pipettes VWR offers a great range of lab blenders for the microbiology lab. 产品 Lab Blenders Several brands available from the Seward stomachers to the latest VWR Collection StarBlender... Blender Bags Sterile PE blender b...

蠕动泵曲线理解指南 最佳效率点 摩擦损失 雷诺数 摩擦系数 Masterflex 尽可能发布具有代表性的流量与背压曲线。在许多情况下，我们还可以提供量化参数的性能曲线，例如 NPSHreq NPSHreq: 泵无汽蚀运行所需的净正吸入压头。 NPSHreq 以常用压头英尺或压力单位表示。 什么是压头？ 压头，也叫排放压头或排放压力，是指反推至泵出口处所需的总压力。 压头通常可通过测量液体的静态高度和泵管的摩擦损失来计算。如果管道遇到其他限制，如扭结或流量减少，则该值也会增加。 吸力和压力 ...

Manufacturing Manufacturing pH of Cement for Floor Installation Testing When flooring tiles are installed, it is very important that the subfloor level has a certain pH level. Water Quality Check in Beer Brewing Beer is one of the most widely cons...

MasterflexLive® 远程泵监控 使用 MasterflexLive 全天候 (24/7) 监控泵的关键流程 充分利用您的 MasterflexLive® 应用程序，其可回答并解决您的问题。 MasterflexLive 在线知识库 使用 MasterflexLive® 实时监控所有泵参数，包括速度、流速、分配体积等。推送通知提醒您操作条件和错误消息，让您无需亲自到达现场即可全天候 (24/7) 监控关键泵流程。 注册免费激活您的泵，访问以上所有功能 实时远程监控 接收泵状态通知...

可重复使用的洁净室防护服 Consequently a well designed garment system that demonstrates certain technical and functional characteristics is an absolute requirement. The material is permeable to water vapour which together with a generous fit offers maximum com...

PCR/qPCR Instruments Featured Solutions The VWR® Collection PCR thermal cycler XT96 combines industry-inspired innovation with the reliable quality of German manufacturing - housing both in a compact low-noise ventilation design that fits on virtu...

Prepared Media Ready to use prepared culture media available in a choice of plates tubes bottles and bags. Suitable for every application. Constant high quality Convenience Time and cost saving Certificates of Analysis which guarantee product conf...