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Optimising the space for industrial control valve installation
- Jun 13, 2018 -

One key advancement in this area has been the development of the patented valve design that is known as Robolux, which is capable of switching two independent process functions with one membrane. This reduces the installation space requirement, eliminates T-adapters and minimises the overall number of valves and membranes required. The multi-port membrane valves have been designed for high-purity installations and make it possible to design complex systems that are considerably more compact than those using conventional fluid control valves.

Valve designers have long-recognized the benefits of reducing the internal volumes of their products and have tried a variety of approaches to achieve the goal. Robolux is by far the most successful of these initiatives. Welding valves together results in an internal volume of 90 millilitres. Adopting the block solution cuts it down to 53 millilitres. Robolux has an internal volume of just 22 millilitres.

The smaller internal volume means there is physically less material to clean and less water, chemicals and energy are needed. This results in multiple benefits; Manufacturers reduce their use of three consumables that can add significantly to costs while also furthering their sustainability initiatives. Forward-thinking manufacturers are pushing hard to reduce the environmental footprint of their plants.

This technology makes it possible to replace two traditional shut-off diaphragm valves and at the same time eliminate all dead legs and one tee-piece with one single valve. When combined with reduced installation and commissioning costs, the Robolux valve delivers a number of crucial advantages to process control within hygienic applications.
In addition, the valves can provide a “double block and bleed function” to prevent steam used for sterilisation of the parallel line from contaminating the product and vice versa.