Pneumatic safety valves for optimum safety

by Festo
1300 889696

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Pneumatic safety valves ensure all bases are covered in the event of a sudden emergency stop in critical pneumatic safety zones. As a supply device providing a safe exhaust function, the MS6/MS9-SV safety valve series offers a large number of possible applications and benefits, more importantly certification for Category 1, 3, & 4 safe systems and Performance level c, d & e.

Since machine safety is a key OH&S issue, if there is a sudden emergency stop, the most important thing is to ensure the safety of people and machines. Dangers of injury and machine downtime have to be avoided.

The integrated functions of the safety valves MS-SV are setting standards, systems can be de-energised in a matter of seconds thanks to reliable quick exhaust with zero residual pressure. Common to all safety valves is the integrated soft start function that ensures the system is able to restart gently and safely.

Safety valves for high safety level requirements


  • 2-channel exhaust valve with integrated position sensing and self-monitoring
  • “Plug and work” solution - no need to integrate the solution into a safety PLC
  • Certified to DIN EN ISO 13849-1, Category 4, Performance Level “e”
  • High reliability thanks to redundant design (single fault system)
  • Great flexibility for installation whether as a part of the MS module or stand alone
  • Connection for AS-interface


  • 2-channel on-off and exhaust valve with integrated position sensing
  • Category 3 & 4, Performance Levels “d” and “e” possible with programming on the safety PLC required
  • Can be seamlessly integrated into a service unit MS6
  • Economical alternative to the MS6-SV-E - same design and also suitable for the highest safety requirements
  • Suitable for those who don’t need the full functionality of the intelligent MS6-SV-E version
  • Affordable for OEM’s who manufacture series produced machines

Safety valves for medium safety level requirements


  • Single channel design
  • Category 1, Performance Level "c"
  • Adjustable pressure switchover point
  • High flow rates
  • Seamless integration into MS service units

For more information about solutions for higher levels of machine safety visit

Festo information and contact details


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Contact Festo

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179-187 Browns Rd
Noble Park North
VIC 3174
Tel: 1300 889 696
Fax: 1300 889 595

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