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Festo has launched a series of jet valves providing switching times of less than 1ms – an order of magnitude said to be faster than standard pneumatic solenoid valves.

Based on a design that features one moving part, the MHJ series jet valves also provide high switching time repetition accuracies and have a service life of 10 billion switching cycles.

The jet valves are suitable for diverse high-volume sorting applications, especially in the food-processing and waste-recycling industries.

Festo MHJ series jet valves are designed for use with standard 40um filtered compressed air supplies and accommodate a range of operating pressures from 0.5 to 6 bar.

They offer a choice of three 2/2-way fast-switching models, with nominal flow rates of 50, 100 and 150l/min.

The valves employ a short-stroke solenoid and damping plate, developed using CAE modelling of the magnetic, temperature and flow characteristics to optimise switching characteristics.

To switch at this speed and provide a long life, the design dispenses with dynamic seals and lubrication.

The design of the solenoid and damped flat plate also enables the valve to deliver the consistent switching repetition of less than 0.1ms required throughout the operating lifetime of specialist sorting machines.

The MHJ series jet valves have a trigger signal voltage range of 3 to 30V DC, enabling them to accommodate standard 5V PLC-level signals without any need for voltage conversion.

The valves have a power consumption of 7W, which can be reduced to 2W after the initial turn-on period by use of a holding current control feature.

This can be supplied integrated into the coil assemblies or incorporated into the application control board.

Festo MHJ series jet valves are available as individual units with integrated push-in fittings and can be supplied with sub-bases for manifold mounting.

Festo also produces customised manifolds, which enable a group of valves to share the same air supply.

These can be fitted with integrated jet nozzles if required.

About Festo

Festo manufactures pneumatic and electrical components and systems to support customers with factory and process automation. The company has an annual turnover in excess of 1.7 billion Euro, employs 12,800 people around the world and has facilities in 176 countries around the world. Festo operates an aggressive R&D programme investing 7.5% of sales annually, holds over 2,800 worldwide patents, introduces about 100 innovative new products to the market every year and has a product range of over 30,000. For more information about the company’s products and services, please visit our website.  

About Festo Didactic

Festo Didactic, the training and consultancy division of Festo, supports organisations seeking to develop competencies in sales & service, leadership, employee engagement, change management, team-working, coaching, business planning, production processes and automation technology. The division has particular expertise in working with manufacturing and engineering businesses. It has a full time workforce of over 200 and operates in 70 countries worldwide. Each year, it manages more than 230 consultancy projects and runs more than 2,900 open courses in 26 languages, involving some 42,000 participants. For more information about Festo Didactic, please visit the Festo website and follow the link.

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