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Freddy Fellner, Product Manager for Process Automation at Festo, presents the pinch valve VZQA: a food safe and modular process valve.

Normally closed or normally open? Now the choice is yours. This will

enable you to better control the fl ow of media such as granulate,

liquids containing solid particles or highly viscous and abrasive

media. No fl ow resistance, no blockages, no dead spaces and easy

to clean. This means your media can fl ow freely.

• Use, storage and transport conditions for Festo products
• Standards in pneumatics
• Compressed air preparation
• Operating conditions for valves
• Port designations of pneumatic components to ISO 5599
• Operating conditions for drives
• Pressure/force table and graphBuckling load graph
• Air consumption
• Pneumatics and explosion protection – ATEX
• EC directives/approvals
• Design – Clean room suitability
• Paint-wetting impairment substances and resistance to media
• Corrosion resistance class CRC
• Protection classes according to IEC/EN 60529
• Functional earth – protective earth – PELV
• Spark arresting

Festo SE & Co KG complies with national and international laws, guidelines, standards and regulations which are applicable to our products. We constantly monitor the dynamics of legislation. This Application Note give an overview.