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Compact valve control C

ompact and intelligent, Alfa Laval ThinkTop D30 is an easy-to-install integrated control unit for hygienic

applications in the food, dairy, beverage, and pharmaceutical industries. It offers an affordable alternative to conventional valve monitoring and control solutions. Installation and set-up is quick and

easy, which eliminates fault handling during commissioning and production. It is designed to meet the market challenges for more usability and hassle-free control of automated valves. Simply position the unit directly on top of the valve actuator, connect the air and then connect the cable to the PLC system. No special expertise or tools are required and there’s no need to adjust the feedback position at regular intervals.

The ThinkTop D30 is an alternative to external solenoid valves

ThinkTop D30 detects loss of air

pressure, which is one of the most common types of process failures. It withstands the effects of physical impact, vibration, water hammer, thermal variation and

pressure shock. It is watertight and IP66/ IP67-compliant, so prevents condensation as well as stops dust, water and other particles from penetrating into the control head. This also means the control head can be hosed down with water or cleaning liquid without affecting its operation. The ThinkTop D30 features a digital

interface with a 360° visual indicator, which makes it possible to enhance monitoring of air loss or leakage feedback from the energised and de-energised actuator. This contributes to more stable operation of hygienic processes, enhanced product quality and more uptime. n

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Latest advances in purge plugs E

nsuring that stainless steel tubes and pipes are welded without oxidation, which leads to loss of

corrosion resistance, is vital in industries such as oil and gas, nuclear, food and beverage, pharmaceutical, semiconductor and dairy, where in order to achieve a perfect zero colour weld, the oxygen level must be purged down to lower than 100ppm before and during welding. Huntingdon Fusion Techniques (HFT)

offers a range of weld purging systems designed to achieve the perfect weld for every application. The Pipestoppers Division at HFT manufactures a range of white Nylon

Weld Purge Plugs that are clean and suitable for weld purging of tubes and pipes up to 6in diameter. Georgia Gascoyne, CEO at HFT says:

“The Nylon Weld Purge Plugs are made from engineering quality nylon in a range of sizes from 0.5in (12mm) up to 6in (150mm). They are manufactured with a standard seal made from natural rubber and for special applications seals made of silicone, nitrile and viton rubbers are available.” The lightweight plugs service a variety

of industrial applications. As ‘overnight stoppers’ they provide a strong barrier in pipeline activities, to prevent foreign bodies entering the line during downtime. Other applications include leak testing of pipework systems, whether commercial, domestic or industrial and sealing holes in castings, tanks and other assemblies. The Nylon Plugs are available

individually or in kits. n For more information visit 12

Reliable weighing in harsh environments


igital load cells for filling and metering applications are exposed to harsh ambient

conditions including long-term moisture, for example in the food production and process industry. Now HBM Test and Measurement (HBM) is offering the redesigned FIT5A digital load cell to meet these requirements. With its hermetically sealed

measuring body made of stainless steel, the FIT5A is available with IP ratings IP68 and IP69K. It has overload protection, allowing it to reach a limit load of 1,000%. The FIT5A is available in various

versions with capacities up to 50kg. An enhanced version is able to control complete batching processes without an additional PLC. n

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