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Walvoil DPX sectional valve

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המוצרים שלנו
אלקטרוניקה ומערכות בקרה
משאבות הידראוליות ספיקה קבועה ומשתנה - Hydac
שלטים אל חוטיים
אביזרים נלווים
אביזרי מדידה הידראוליים

Walvoil DPX sectional valve

Walvoil DPX open/closed center post-pressure compensated sectional valves.

  • Designed specifically for mobile applications
  • Provides exceptional controllability, efficiency and flexibility for applications requiring up to 160 l/min.
  • Adds to the standard Load Sensing valve the benefit of Flow Sharing technology.
  • The patented compensator maintains the margin pressure ad a costant pressure drops across the spool metering area.

 

 

 

 

 

Technical Specifications
Nominal flow rating Inlet port eith compensator, stand-by (margin pressure) 14 bar 120 l/min
Working ports, stand-by (margin pressure) 14 bar 90 l/min
Max pressure Inlet port P 300 bar (std)380 bar (HP)
Working ports A and B 300 bar (std)420 bar (HP)
Back pressure (max) on outlet port T With mechanical devices 10 bar
With hydraulic, pneumatic, electric deviced 30 bar
Standard internal leakage A(B)→T ∆p=100 bar max 9 cm3/min
With port valves, ∆p=100 bar max 14 cm3/min
Fluid Mineral oil
Fluid temperature range With seals NBR from -20° to 80°C
With seals FPM from -20° to 100°C
Viscosity Operating range from 15 to 75 mm2/s
Min 12 mm2/s
Max 400 mm2/s
Contamination level -/18/15 - ISO 4406
Environmental temperature for working conditions With mechanical devices from -40° to 60°C
With hydraulic, pneumatic devices from -30° to 60°C
With electric, electrohydraulic devices from -20° to 50°C

Walvoil DPX open/closed center post-pressure compensated sectional valves.

DATA SHEET הורדת
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