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Valves

Companies Valves

JUCHHEIM Laborgeräte GmbH, Germany

Juchheim Laborgeräte GmbH was founded 1927 and is specialised in the production of reaction vessels up to 100 litres and up to 400 bar. JUCHHEIM is licensed by TÜV Rheinland to manufacture pressure vessels for use in the chemical and pharmaceutial industries. more

Bronkhorst High-Tech B.V., Netherlands

Bronkhorst High-Tech B.V. is market leader in the field of thermal and coriolis mass flow meters and controllers. There are instruments for laboratory applications, OEM-solutions, general industrial use and ex-proof installations. Bronkhorst also offers vapour delivery systems, electronic pressure c more

ERC Gesellschaft für den Vertrieb wissenschaftlicher Geräte mbH, Germany

ERC GmbH was founded more than 35 years ago. Leading manufacturers cooperate exclusively with us as distribution partner. Our measuring instruments are Europe wide used in the field of research to quality control. We were the first company in Germany to introduce degassers and the refractive index more

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Products Valves

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

System Components Designed to Work in Harmony for Time-pressure Dosing from One Source

Bürkert has therefore developed the Type 8763 gas pressure controller to fit its micro valves. The controller is designed for low flow rates ranging from microlitres to a few millilitres and shows its outstanding qualities when used with precise dosing valves. more

Fluid systems for instrument-based analytics/ spectroscopy

Compact device module up to 100% tested Independent of pre-pressure, with hard and soft security ✓ Independent of pre-pressure, with hard and soft security more

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Catalogs Valves

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

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

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

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

  • 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

  • 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

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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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