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3/2 Directional control valves (Series: 98025)

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3/2 Directional control valves (Series: 98025) Herion Process Control Vales-Chemical Design HERION


Download Files

C23-24.pdf (134.82 KB)
Specification :
  • Actuation: Electromagnetic
  • Indirectly controlled solenoid operated poppet valves
  • Internal thread : G1/2″, 1/2″NPT, or flanged with NAMUR interface

Features :

  • Main application : single operated process actuators
  • TUV-approval based on IEC 61 508, DIN V 19 251
  • Valves released for safety system to SIL 4 or AK 7
  • Add-on manual override and/ or inductive limit switches
  • The solenoid valves are applicable in the protection class EEx me, EEx md, EEx m, EEx ia for zones 1, 2 (gases), 21, 22(dusts), ATEX cat. II 2GD
    Additional protection class (FM, CSA): XP, IS,N
  • Rest position in the event of power failure provided by mechanical return spring
  • Suited for outdoor installation if equipped with corresponding solenoid
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