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HLY Engineering Trading
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Bandar Puteri Puchong,
47100 Puchong,
Selangor, Malaysia.
+6012-369 5175
+603-8052 0048

Directional valves

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Directional valves Herion Process Control Vales-Chemical Design HERION


Download Files

C19-20.pdf (139.76 KB)
Specification :
  • Actuation: Electromagnetic
  • Indirectly controlled soft seal spool valves
  • Size: G1/4″, 1/4″NPT, G1/2″, 1/2″NPT,

Features :

  • For Single and double operated actuators
  • Crossover-free switching, switch-over function guaranteed even with small cross section
  • Rest position in event of power failure provided by mechanical return spring (monostable) design
  • Add-on manual override
  • Suitable for outdoor installation if equipped with corresponding solenoid
  • Minimal electrical power consumption – therefore many protection classes possible, e.g. EEx i
  • 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, NI, AEx ia
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