Pilot Operated

Directional Valve - Pilot Operated Specifications

3/2, 4/2 and 4/3 Directional Valves, Internally or Externally Pilot Operated | Types 4WEH and 4WH (NG10 to NG32)

• 2 types of actuation: Electrohydraulic (type WEH) and Hydraulic (type WH)
• Maximum operating pressure 350 bar [5076 psi]
• Maximum flow 1 100 l/min [290 US gpm]
• For subplate mounting
• Porting pattern to ISO 4401 and NFPA T3.5.1 R2
• Spring- or pressure-centering, spring end position or hydraulic end position
• Wet-pin DC or AC voltage solenoids, optional
• Manual override, optional
• Electrical connection as individual or central connection
• Switching time adjustment, optional
• Pre-load valve in channel P of main valve, optional
• Stroke adjustment of main spool, optional
• Stroke adjustment and/or end position control, optional
• Inductive position switches and proximity sensors (contactless)

4/2 and 4/3 Directional Shut-Off Valves, Internally or Externally Pilot Operated | Types Z4WEH and Z4WH (NG10)

• 2 types of actuation: Electrohydraulic (type WEH) and Hydraulic (type WH)
• Maximum operating pressure 315 bar
• Maximum flow 160 l/min
• Directional spool valve, pilot operated
• Function as shut-off through-valve or shut-off/through valve/short-circuit valve
• Free flow in P and T in every spool position
• Porting pattern to ISO 4401-05-04-0-05
• Wet-pin DC or AC voltage solenoids, optional
• Manual override, optional
• Electrical connection as individual or central connection
• Switching time adjustment, optional
• Stroke adjustment of main spool, optional
• Inductive position switch and proximity sensors (contactless)