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Valves

Companies Valves

SIM Scientific Instruments Manufacturer GmbH, Germany

SIM offers you the best specialist counselling and unique solutions that go far beyond what is available on the market elsewhere. The "Scientific Instruments Manufacturer" SIM is the specialist for custom-made chromatography systems. SIM serves the high-end range of gas and liquid chromatography, m more

MKS Instruments Deutschland GmbH, Germany

MKS Instruments, Inc. is a global provider of instruments, subsystems and process control solutions that measure, monitor, deliver, analyze, power and control critical parameters of advanced manufacturing processes to improve process performance and productivity for our customers. Our products are more

L.B. Bohle Maschinen + Verfahren GmbH, Germany

L.B. Bohle Maschinen + Verfahren GmbH is a global acting manufacturer for the pharmaceutical industry. The range of products includes process and handling equipment for the pharmaceutical solids production. The company was founded in 1981 by Mr. Lorenz Bohle. The founder is owner and managing direc more

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Products Valves

The very compact media-separated valves control the smallest quantities of liquid very precisely

Developed according to ISO 13485, built with FDA listed materials ✓ The small internal volume offers best cleaning possibilities ✓ Accessories: holding current reduction, sub-bases, push-in fittings, valve control module more

Docking Station for Three HPLC Modules: Valves, Pumps & Detectors Freely Combinable within Housing

The AZURA Assistant ASM 2.2L allows the combination of valves, pumps and UV detectors in one housing more

Flexible, Precise Gas Dosing for Your Process

EL-FLOW® Prestige Mass Flow Controller, world’s most versatile Mass Flow Controller for Gases, can now be equipped with an on-board pressure sensor more

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Catalogs Valves

The VICI Precision Sampling catalog offers Gastight syringes, HPLC syringes and much more

A wide range of syringes for chromatography offers the VICI Precision Sampling catalog: Among other things also Mininert™ valves more

VICI Valco/Cheminert catalog – Valves, fittings, capillaries, GC detectors & columns

The VICI Valco/Cheminert catalog is an essential tool for every Chromatography user more

News Valves

  • GEMÜ: 50 years of experience in valve design

    The company Gebrüder Müller Apparatebau GmbH & Co. KG - GEMÜ for short - based in Ingelfingen, Baden-Württemberg, is celebrating its 50th anniversary this year. Founded by Fritz Müller in his parents' garage, the manufacturer of valves, measurement and control systems can now look back on an impress more

  • 'RoboClam' hits new depths as robotic digger

    A digging robot inspired by the unique mechanisms employed by the Atlantic razor clam has been created by a group of researchers in the US. The robot, dubbed RoboClam, is able to dig with extreme efficiency by transforming the surrounding soil from a solid into a liquid, and could have a variety of more

  • Emerson Agrees to Purchase Virgo Valves and Controls, LTD

    Emerson, announced it has signed an agreement to purchase Virgo Valves and Controls, LTD, a leading manufacturer of ball valves and automation systems based in Pune, India.  A privately held company, Virgo serves diverse markets worldwide, including the oil and gas, power and mining industries. In a more

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Videos Valves

Fluid systems for instrument-based analytics/ spectroscopy

Spectroscopy is based on precise and reliable sensor and actuator equipment. Combustion gases and carrier gases or liquids for absorption spectroscopy must be dosed and mixed with precision, requiring precise pressure and liquid control circuits, among other things. To meet this need, Bürkert offers more

Flexible, Precise Gas Dosing for Your Process

If you are looking to improve your process yield while reducing cost of ownership, the EL-FLOW® Prestige Mass Flow Controller is the best instrument for you. The majority of our customers appreciate the following benefits the most: Fast acting control valves quickly respond to process changes resul more

Docking Station for Three HPLC Modules: Valves, Pumps & Detectors Freely Combinable within Housing

The configurable docking station ASM 2.2L from Knauer combines valves, pumps and UV detectors in one housing. The plug-in modules can be removed quickly and easily, allowing the user to exchange modules within minutes. Likewise, the configuration of the HPLC system can be adapted to new requirements more

White papers Valves

  • Safe plants in the chemical industry

    Optimizing the SIL circle with efficient components – Reading and interpreting certificates correctly more

  • Innovative Vacuum Regulation for Rotary Evaporators

    Different methods of vacuum regulation in rotary evaporators are compared according to their benefit for the user. Essential criteria of such analyses are process time, rate of solvent recovery, ease of handling, and flexibility. Speed controlled dia more

  • Battery Safety (thermal runaway)

    Lithium ion battery technology offers many advantages in portable power application but one major concern is safety – thermal runaway of the device in both normal and abusive situations. In the following article, it will be shown that by means of adi more

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Publications Valves

  • Light-responsive polymers for microfluidic applications

    While the microfluidic device itself may be small, often the equipment required to control fluidics in the chip unit is large e.g. pumps, valves and mixing units, which can severely limit practical use and functional scalability. In addition, components associated with fluidic control of the device, more

  • A disposable on-chip micro valve and pump for programmable microfluidics

    In this work, a low-cost PDMS micro-pump and -valve have been designed and developed to control multiple reagents for enzyme-linked immunosorbent assay (ELISA) on a programmable lab-on-a-chip (LOC) platform. The micro pump and valves were precisely controlled by selectively pressurizing the PDMS cha more

  • A disposable on-chip micro valve and pump for programmable microfluidics

    In this work, a low-cost PDMS micro-pump and -valve have been designed and developed to control multiple reagents for enzyme-linked immunosorbent assay (ELISA) on a programmable lab-on-a-chip (LOC) platform. The micro pump and valves were precisely controlled by selectively pressurizing the PDMS cha more

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Related topics
Definition

Control valves

Control valves Control valves are valves used within industrial plants and elsewhere to control operating conditions such as temperature , pressure , flow , and liquid level by fully or partially opening or closing in response to signals rece ... more

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