NEOS Double Sealing Shut-Off Valve

The double sealing valve NEOS with leak detection is particularly adapted to NEP applications.


  • Secured design, with leakage collector nozzle
  • Facilitated maintenance, with limited number of seals
  • Physical barrier provides no risk of contamination
  • Optimum cleaning of the leak chamber and leakage indicator, valve closed
  • High resistance to expansion stresses
  • High resistance against aggressive products



NEOS Double Sealing Shut-Off Valve Features:

From DN 25 to DN 100

  • SMS and DIN versions

Mass-machined spherical body

  • Configurations available: L, T or cross body

Mass-machined plug

  • Hygienic sturdy design avoiding any risk of breakage or unscrewing

PFA floating seal

  • Ensuring an absolute leaktightness at high temperature
  • Seal profile facilitating the circulation of the cleaning agent circulation on all faces of the seal

Leak Indicator NO

  • Ensuring leak detection
  • Possible control through a control top

Washing microvalve optional

  • Allowing the cleaning of the leak chamber, valve closed

PTFE deformable diaphragm

  • Ensuring a physical break from the external environment

Extended applications with elastomer seals

  • EPDM
  • FKM

Dismantable actuator

  • Easily transformed Normally Open NC, Normally Closed NC or Double Acting DA

Signal and control

  • From Sorio control top, available in Digital, AS-i and IO-Link versions
  • 2 SV (solenoid valves) for 1 indicator
  • 3 SV (solenoid valves) for 2 indicators

Piggable use in manifolds

  • From a cross body allowing the pigging inside lower lines