Bieri

Seated valve Type WVH700

Type WVH700 NG 4 up to 12 l/min

Subplates
• for valve bank (APH)
• for stand-alone valves (EAP)

Features

  • Direct operated
  • Leakage free
  • Good resistance to corrosion
  • As 2/2-, 3/2-, 3/3- or 4/2-valve* with solenoid actuation

Design

  • With hardened closing elements as cone or ball seat
  • Functions with negative or positive overlap
  • Solenoids with slide on coil technology
  • Mounting on single subplates (EAP) as stand-alone valve or in valve bank with subplates (APH)

Applications

  • Controlling of cylinders and motors in higher pressure ranges as full replacement for spool valve technology (especially for leakage free holding, bending and clamping)
  • In machine tools, hoisting technology, test stands and rescue devices
  • Power units (e.g. as with limited space conditions or weight reduction)

Technical Data

Hydraulic fluid Mineral oil according to DIN 51524 (other fluids on request)

Fluid temperature range -20 to 80 °C

Ambient temperature range -20 to 50 °C

Viscosity range 5 to 400 mm2/s

Porting NG 4

Max. operating pressure 700 bar

Max. flow rate 12 l/min

Filtration According to NAS 1638 class 6 resp. ISO/DIN 4406 class 17/15/12

Duty cycle ED 100%

DIN connector (2P + E) According EN 175301-803 / ISO 4400 / DIN 43650

Power 24 VDC (23 W), 110 VAC (25 W) and 230 VAC (25 W)

Power tolerance +/- 10%

Switching time 40 – 120 ms

Degree of protection according DIN 40050 IP 63 (solenoid IP 65)

Material/Surface finish of the valves Corrosion-resistant steel and aluminium (coil housing: ZnFe – corrosion protection)

 

 

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