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Valves

Companies Valves

cmc Instruments GmbH, Germany

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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

SCAT Europe GmbH, Germany

Daily laboratory work with hazardous substances should be safe and trouble-free. With more than 20 years of experience, SCAT Europe offers the most sustainable safety systems for safe supply and disposal of liquid chemicals in laboratories worldwide. more

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Products Valves

VICI Jour Micro Valves for GC and LC

The biocompatible and inert VICI JOUR Micro valves provide an efficient and convenient way for gas or liquid handling more

Small, Smaller, Smallest

Bronkhorst specialised on applying the accurate Coriolis mass flow measuring technique on (very) low flow rates more

Never Neglect an Opportunity for Improvement

The EL-FLOW Prestige Mass Flow Controller is the world’s most versatile Mass Flow Controller for Gases. Take advantage of our amazing package deal 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

Small, Smaller, Smallest

Accurate and compact mass flow meters of the mini CORI-FLOW™ series of Bronkhorst High-Tech B.V. are based on the Coriolis measuring principle and have been developed to meet the requirements of the market for low flow rates. Various models are available that overlap a flow range from 5 g/h to 600 k 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

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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