Articles relating to liquid transfer & flow control on Enviropro. Resources to build your knowledge and understanding.
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  • Best metal butterfly valve liners for demanding media
    GEMÜ Valves
    Common lining materials for metal butterfly valves include PTFE and PFA. Find out why GEMÜ 490 series PFA lined butterfly valves out-perform PTFE linings in applications where corrosive or high purity media is being handled
  • Process control valves – making the right choice
    Bürkert Fluid Control Systems
    Modern process control valves offer a wide range of features and benefits for industries that require precise control over fluids, steam and other gases. With so many control valves on the market, it is important to...
  • The beauty of vortex flow control technology
    Hydro International
    Seeing beauty and elegance in natural patterns and processes is a fundamental human pleasure. We have an admiration for the simple and perfect way things work and an enthusiasm to capture and replicate them. The vortex is a...
  • Applications for PFA-lined butterfly valves
    GEMÜ Valves
    Applications for PFA-lined butterfly valves, from corrosive media to API pharmaceuticals GEMÜ 490 series lined metal butterfly valves are available with moulded PFA or TFMTM body liners. These linings are achieved using the...
  • Retrofit safety using innovative control valves
    Bürkert Fluid Control Systems
    The food and beverage industry has embraced automation - partly due to the necessity of reducing production costs, but also to help meet food safety standards and personnel safety legislation. By taking a modular approach to...
  • Valves: the correct chemical resistance properties?
    Bürkert Fluid Control Systems
    The correct selection of the valves being used within any process control system is key to ensuring the performance and reliability of that system. Michael Hannig, Product Manager for Solenoid Valves at Bürkert Fluid Control...
  • Micro dosing – creating an application specific solution
    Bürkert Fluid Control Systems
    The two most common methods of micro dosing are time-pressure dosing and volumetric dosing; each has its strengths and most appropriate applications so making the right choice is essential to a successful installation.
  • Electromotive valves for accurate dosing of products
    Bürkert Fluid Control Systems
    Electromotive valves are ideal for the accurate dosing of products. Unlike pneumatic valves, electromotive models aren’t influenced by process pressures. Nor do they require compressed air or a PLC. Electromotive valves can...
  • Keeping control valves clean, inside and out
    Bürkert Fluid Control Systems
    Modern hygienic fluid control applications demand very high standards in terms of cleanliness, not only for the components directly in contact with the process medium, but also for the external surfaces. Designing and...
  • A guide to metering pumps
    Cole-Parmer Instrument Company
    Metering pumps offer a high degree of accuracy and are used where precise volumes of liquid are required to be moved in a specified time. Introduction A metering pump is a subset of the positive displacement type of pump and...
  • How to ensure a long life of your mechanical seal pump
    Crest Pumps Group
    Mechanical seals continue to be the number one cause of chemical pump downtime. This is normally because the seal face has either worn out or the seal has suffered damage. If it is the former, replacing the seal is normally...
  • How to optimise pump efficiency
    Crest Pumps Group
    Pumps across the world now account for 10% of the world's total electricity consumption. Two thirds of all pumps use too much energy, meaning companies are now spending a disproportionate amount on operation overheads. If...
  • Mag drive pumps v mechanical seal pumps - what's best?
    Crest Pumps Group
    In an industry where chemicals, corrosive chemicals and waste are often involved it is critical to understand the individual properties of both the Magnetic Drive Pump and the Mechanical Seal Pump. Failure to do so could...
  • An introduction to peristaltic pumps
    Cole-Parmer Instrument Company
    Peristaltic pumps are suitable for dispensing, metering and general transfer applications. Typically, they offer flow rates from as low as 0.0007 ml/min upto 45 l/min, and are able to generate pressures up to 8.6 bar (125...